Difference between revisions of "M30"

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See Also: [[Battles of the Great Crusade (List)]]
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==Undated==
 
{|align=center border="1" cellpadding="5" cellspacing="0"
 
{|align=center border="1" cellpadding="5" cellspacing="0"
−
|style=background:#4F4F4F align=center|'''Year'''
+
|style=background:#4F4F4F align=center width="100" |'''Year'''
 
|style=background:#4F4F4F align=center|'''Event'''
 
|style=background:#4F4F4F align=center|'''Event'''
−
|style=background:#4F4F4F align=center|'''Source'''
 
 
|-
 
|-
 
|ca. M30-M31
 
|ca. M30-M31
−
|[[Eldar]] foreseeing the dark future for their race refit their starships into [[Craftworld]]s and leave the heart of their empire.
+
|[[Eldar]] foreseeing the dark future for their race refit their starships into [[Craftworld]]s and leave the heart of their empire.{{Fn|1}}
−
|[[Codex: Dark Eldar (5th Edition)]] pg. 20
+
|-
 +
|
 +
|An [[Eldar]] [[craftworld]] crashes on [[Typhon Primaris]]. The jungle eventually claims it and it will be lost for ten thousand years.{{Fn|15}}
 +
|-
 +
|ca. M30
 +
|'''Construction of the Astronomican''' - The [[Emperor of Mankind]] orders the construction of the [[Astronomican]], powered with his own psychic might.{{Fn|14a}}{{Fn|16}}
 +
|-
 +
|
 +
|According to [[Alpharius]]' own account that may be a lie, he is the first [[Primarch]] to be recovered by the [[Emperor]] himself on [[Terra]] shortly after their scattering. However, he stays in the shadows.{{Fn|21a}}
 +
|-
 +
|
 +
|[[Battle of Neptune]] ([[Liberation of the Sol System]]){{Fn|22c}}
 +
|-
 +
|
 +
|[[Unheard War]] ([[Liberation of the Sol System]]){{Fn|17c}}
 +
|-
 +
|
 +
|[[Sedna Campaign]] ([[Liberation of the Sol System]]) - Eight full Legions are deployed in a campaign to destroy the artificial world of Sedna in the Solar system and the [[xenos]] species controlling it. After the campaign, Sedna falls silent and the Imperium forgets about it.{{Fn|22a}}
 +
|-
 +
|
 +
|The [[Primarch]]s are rediscovered and united with their Legions. Hundreds of thousands of human worlds are reclaimed under the [[Pax Imperialis]].{{Fn|16}}
 +
|-
 +
|<!-- 10 years after Lion's arrival -->
 +
|[[Luther]] finds a feral child in the forests of [[Caliban]] and names him [[Lion El'Jonson]] (The Lion, Son of the Forest).{{Fn|11a}}
 +
|-
 +
|
 +
|[[Siege of Reillis]]{{Fn|29}}<!-- At this time the Emperor have rediscovered only Horus-->
 +
|-
 +
|<!-- Shortly after the III Legion gene-seed loss. -->
 +
|Anomalous Legiones Astartes activity is first reported. The actions of unidentified Astartes is attributed to a "Ghost Legion."{{Fn|17e}}
 +
|-
 +
|
 +
|[[Lion El'Jonson]] leads the knights of [[Caliban]] in a ten-year campaign to exterminate the great beasts that haunt the forests. The Knights of Lupus refuse to join the hunt and are destroyed. Soon after, the [[Emperor of Mankind|Emperor]] comes to recruit [[Lion El'Jonson]] to lead the First Legion. [[Zahariel El'Zurias]] narrowly averts an assassination attempt on the Emperor. The Lion dubs the First Legion the [[Dark Angels]] after figures of Caliban myth.{{Fn|11a}}{{Fn|11b}}{{Fn|11c}}
 +
|-
 +
|
 +
|The [[two unknown legions]] are removed from Imperial records and the [[Primarch]]s swear oaths to never speak of them again.{{Fn|13g}}
 +
|-
 +
|<!-- after "most" of the primarchs were recovered and the two unknown primarchs were purged -->
 +
|'''Recruitment of Corvus Corax''' - The [[Emperor of Mankind]] comes to Kiavahr's moon [[Deliverance|Lycaeus]] as its slave labourers seize control. He recruits the uprising's leader, [[Corvus Corax]], to lead the [[Raven Guard]].{{Fn|32f}}{{Fn|45b}}
 +
|-
 +
|<!-- "towards the end of the Great Crusade" -->
 +
|A [[Luna Wolves]] fleet led by [[Horus]] responds to a distress call from a scout ship lured into a minefield. Horus discovers that the attackers have boarded the ship and comes face to face with the intruders' leader: the last [[Primarch]] [[Alpharius]]. Alpharius remains at Horus's side for several months before journeying to [[Terra]] and meeting the [[Emperor of Mankind]].{{Fn|17g}}{{Fn|21x}}{{Fn|32g}}
 +
{{Fn|Conflicting sources}} ''{{Fn|17d}} claims that this account is false.''<br>[[Alpharius: Head of the Hydra (Novel)]] heavily contradicts this account as well
 +
|-
 +
|<!-- Almost fifty years after Corax and in "The last years of the Great Crusade..." -->
 +
|[[Compliance of Indra-sul]] - The [[Raven Guard]] exterminate the [[Khrave]] occupying [[Indra-sûl]].{{Fn|17n}}
 +
|}
 +
 
 +
== 100-199.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 
|-
 
|-
 
|125.M30
 
|125.M30
−
|The M35 source ''Grimoire Hereticus'' claims that the [[Black Legion|Luna Wolves]] are renamed the Sons of Horus at this time<br>([[Horus Rising (Novel)|Horus Rising]] shows that [[Horus]] did not formally rename his legion until after fighting the [[Interex]]).
+
|The M35 source ''Grimoire Hereticus'' claims that the [[Luna Wolves]] are renamed the Sons of Horus at this time<br>([[Horus Rising (Novel)|Horus Rising]] shows that [[Horus]] did not formally rename his legion until after fighting the [[Interex]]).{{Fn|2}}{{Fn|3}}{{Fn|18x}}
−
|[[Codex: Space Marines (3rd Edition)]] pg. 47; [[Codex: Dark Angels (4th Edition)]] pg. 73
+
|}
 +
 
 +
== 300-399.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 
|-
 
|-
 
|350.M30
 
|350.M30
−
|[[Karis Cephalon]] rediscovered during the Great Crusade.
+
|[[Karis Cephalon]] rediscovered during the Great Crusade.{{Fn|4}}
−
|[[White Dwarf 258 (US)]]/259 (UK), pg. 61
+
|}
 +
 
 +
== 500-599.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 
|-
 
|-
 
|540.M30
 
|540.M30
−
|The Lucien Mechanicum founds an outpost on [[Mezoa]].
+
|The Lucien Mechanicum founds an outpost on [[Mezoa]].{{Fn|5a}}
−
|[[The Horus Heresy Book Four - Conquest]] pg. 66
+
|-
 +
|550.M30
 +
|The [[Emperor]] creates the first [[Prototype Legionnaire]]s{{Fn|6}}
 
|-
 
|-
 
|ca. 570-750.M30
 
|ca. 570-750.M30
−
|[[Rogue trader]] Lady Arica Orpheus explores the reaches of the Mandragoran Stars in the [[Segmentum Tempestus|galactic southwest]], cataloging countless aged stars and dead worlds. Records of her voyages mention pre-human ruins and monuments.
+
|[[Rogue trader]] Lady Arica Orpheus explores the reaches of the Mandragoran Stars in the [[Segmentum Tempestus|galactic southwest]], cataloging countless aged stars and dead worlds. Records of her voyages mention pre-human ruins and monuments.{{Fn|7}}
−
|[[Imperial Armour Volume Twelve - The Fall of Orpheus]] pg. 16<!-- Source claims "During the latter years of the Great Crusade" -->
+
|}
 +
 
 +
== 600-699.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 +
|-
 +
|603.[[M30]]
 +
|The Third Siege of Antioch during the [[Unification Wars]] sees small numbers of [[First Legion]] [[Astartes]] deployed{{Fn|8a}}
 +
|-
 +
|668.[[M30]]
 +
|The Siege of Samerkend in the [[Unification Wars]] sees 10,000 [[First Legion]] [[Astartes]] appear en mass publicly for the first time{{Fn|8b}}
 +
|-
 +
|669.[[M30]]
 +
|The Battle of Mount Ararat sees the [[Thunder Warriors]] culled. Last major battle of the [[Unification Wars]]{{Fn|6}}
 
|-
 
|-
 
|ca. 675.M30
 
|ca. 675.M30
−
|The Massacre of Gaduare. Less than five thousand [[Thunder Warrior]]s slaughter fifty thousand civilian militiamen in less than an hour on the hills of Gaduare in Franc.
+
|[[Massacre of Gaduare]] - Less than five thousand [[Thunder Warrior]]s slaughter fifty thousand civilian militiamen in less than an hour on the hills of Gaduare in Franc.{{Fn|9}}
−
|[[Tales of Heresy (Anthology)#The Last Church|Tales of Heresy: The Last Church]] <!-- over half a century before TLC -->
+
|}
 +
 
 +
== 700-799.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 +
|-
 +
|703.M30
 +
|The [[First Pacification of Luna]]{{Fn|6}}
 +
|-
 +
|712.M30
 +
|The Emperor declares the [[Unification Wars]] over{{Fn|6}}
 +
|-
 +
|739.M30
 +
|The [[Treaty of Olympus]] is signed between the [[Imperium]] and [[Mechanicum]]{{Fn|6}}
 
|-
 
|-
 
|ca. 745.M30
 
|ca. 745.M30
−
|The [[Emperor of Mankind]] has the last church on Terra, the Church of the Lightning Stone, destroyed after speaking with the last priest.
+
|The [[Emperor of Mankind]] has the last church on Terra, the [[Church of the Lightning Stone]], destroyed after speaking with the last priest.{{Fn|10x}}<!-- During the Primarch Project -->
−
|''Ibid.'' <!-- During the Primarch Project -->
 
 
|-
 
|-
 
|748.M30
 
|748.M30
−
|The ''[[Invincible Reason]]'' begins her service in the Imperial fleet.
+
|The ''[[Invincible Reason]]'' begins her service in the Imperial fleet.{{Fn|11e}}<!-- 200 years before Sarosh -->
−
|[[Descent of Angels (Novel)|Descent of Angels]] Chapter Eighteen <!-- 200 years before Sarosh -->
 
 
|-
 
|-
−
|rowspan=2|ca. 750.M30
+
|ca. 750.M30
−
|[[Fall of the Eldar]]. The [[Eye of Terror]] erupts in the heart of the [[eldar]] empire as [[Slaanesh]] is born. She Who Thirsts tears billion of eldar souls from their bodies. Only the [[Exodite]] and [[craftworld]]s far from the empire and [[webway]] domains such as [[Commoragh]] survive. The eruption of psychic energy blows away the warp storms that had made interstellar travel impossible for thousands of years.
+
|[[Fall of the Eldar]] - The [[Eye of Terror]] erupts in the heart of the [[eldar]] empire as [[Slaanesh]] is born. She Who Thirsts tears billion of eldar souls from their bodies. Only the [[Exodite]] and [[craftworld]]s far from the empire and [[webway]] domains such as [[Commoragh]] survive. The eruption of psychic energy blows away the warp storms that had made interstellar travel impossible for thousands of years.{{Fn|1}}{{Fn|12}}{{Fn|13h}}{{Fn|14a}}
−
|[[Codex: Eldar (4th Edition)]] pgs. 4-5; [[Codex: Dark Eldar (5th Edition)]] pg. 20; [[The First Heretic (Novel)|The First Heretic]] Chapter Seventeen; [[The Horus Heresy Book Two - Massacre]] pg. 14
 
 
|-
 
|-
−
|The [[Primarch Project]]. The [[Emperor of Mankind]] learns warpcraft from the [[Chaos]] gods and uses it and advanced Martian genetic engineering to create the [[primarch]]s and the [[gene-seed]] prototypes. The Chaos Gods steal the gestating primarchs from the Emperor's laboratory deep beneath [[Terra]] and scatter them across the galaxy.
+
|ca. 790.M30
−
|[[False Gods (Novel)|False Gods]] Chapter Fourteen<!-- "Over two hundred years" before Davin -->; [[The First Heretic (Novel)|The First Heretic]] Chapter Seventeen <!-- "This is what transpires on Terra, as the elder empire burns with soul-fire. The Anathema senses it will soon be time to begin his Great Crusade." -->
+
|[[Incaladion]]'s social order breaks down. The Preceptor-General is assassinated. As various factions of the [[Adeptus Mechanicus]] and [[xenos]] invaders battle over the [[forge world]], the [[Legio Fureans]] is gradually whittled down.{{Fn|17k}}
 
|-
 
|-
−
|
+
|792.M30
−
|An [[Eldar]] [[craftworld]] crashes on [[Typhon Primaris]]. The jungle eventually claims it and it will be lost for ten thousand years.
+
|[[Primarch Project]]- The [[Emperor of Mankind]] combines advanced Martian genetic engineering with the warpcraft he learned from the [[Chaos]] Gods to create the [[primarch]]s and the [[gene-seed]] prototypes. The Chaos Gods steal the gestating primarchs from the Emperor's laboratory deep beneath [[Terra]] and scatter them across the galaxy.{{Fn|6}}
−
|[[Warhammer 40,000: Dawn of War II - Retribution]]
 
 
|-
 
|-
−
|rowspan=2|ca. 780.M30
+
|rowspan=2|798.M30<!-- Date given in Imperial Knights -->
−
|The Emperor's geneticists refine the creation of the [[gene-seed]] that will allow him to create the [[Space Marine]] Legions.
+
|[[Warp]]-dilated horologs state that the [[Great Crusade]] begins around this time.{{Fn|16}}{{Fn|18a}}{{Fn|19x}}{{Fn|20a}}
−
|[[The First Heretic (Novel)|The First Heretic]] Chapter Seventeen <!-- "Most of the flaws in gene-seed structure will be written out in the course of the coming decades." Allow time for first wave of Terran legionaries to mature and participate in end stage of Unification before Crusade begins. -->
+
{{Fn|Conflicting sources}}''[[Codex: Space Marines (3rd Edition)]] cites that the Great Crusade began in M29.''
 
|-
 
|-
−
|'''First [[Founding]]'''. The Emperor uses DNA samples from the Primarchs to create twenty [[Space Marine Legion]]s. [[Grabya's Theorem]] demonstrates how [[Primarch]] genetic data could be used to stabilize genetic development of [[Space Marine]]s. [[Sorian's Inductus Excelsus]] shows requirements for more warriors is vast. Accelerated gene-culturing techniques implemented, reducing processing time to create Space Marine to one year. However, accelerated gene-seed has unseen fundamental flaws.
+
|The [[Great Crusade]] formally begins{{Fn|6}}
−
|[[Codex: Space Marines (3rd Edition)]] pg. 47
 
 
|-
 
|-
−
|
+
|rowspan=2|799.M30
−
|[[First Pacification of Luna]]. VII, XIII, and XVI Legions annihilate the leadership of the Selenar gene-cults of [[Luna]] in six hours. The remaining cult leaders implore the Emperor to "call off his wolves" as they surrender.
+
|On [[Olympia]], [[Perturabo]] is brought before [[Dammekos]], the Tyrant of Lochos.{{Fn|23a}}
−
|[[The Horus Heresy Book One - Betrayal]], pgs. 80-81 <!-- Last action before Great Crusade -->
 
 
|-
 
|-
−
|ca. M30
+
|[[Vhnori Resurgence]] - The Crimson Walkers emerge in the Panpacific Enclaves of [[Terra]], using psychic powers to dominate minds and animate constructs made of dead flesh. The [[Night Lords|VIII Legion]] brutally crushes the Walkers in a campaign of terror.{{Fn|22a}}
−
|The [[Emperor of Mankind]] orders the construction of the [[Astronomican]], powered with his own psychic might.
+
|}
−
|[[Warhammer 40,000 6th Edition Rulebook]] pg. 168; [[The Horus Heresy Book Two - Massacre]] pg. 14
+
 
 +
== 800-899.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 
|-
 
|-
−
|ca. 790.M30
+
|800.M30
−
|[[Incaladion]]'s social order breaks down. The Preceptor-General is assassinated. As various factions of the [[Adeptus Mechanicus]] and [[xenos]] invaders battle over the [[forge world]], the [[Legio Fureans]] is gradually whittled down.
+
|[[Molorian Revolt]]{{Fn|24c}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 155
 
 
|-
 
|-
−
|798.M30<!-- Date given in Imperial Knights -->
+
|801.M30
−
|[[Warp]]-dilated horologs state that the [[Great Crusade]] begins around this time.
+
|The first [[Primarch]] to be rediscovered, [[Horus]], is found on [[Cthonia]]{{Fn|6}}
−
{{CanonConflict}}''[[Codex: Space Marines (3rd Edition)]] cites that the Great Crusade began in M29.''
 
−
|[[Horus Rising (Novel)|Horus Rising]] Chapter One; [[Warhammer 40,000 6th Edition Rulebook]] pg. 168; [[Codex: Imperial Knights (6th Edition)]]
 
 
|-
 
|-
 
|rowspan=2|803.M30
 
|rowspan=2|803.M30
−
|Astartes of the [[Thousand Sons|XV Legion]] first begin to express psychic powers, followed shortly by the flesh-change.
+
|Astartes of the [[Thousand Sons|XV Legion]] first begin to express psychic powers, followed shortly by the flesh-change.{{Fn|25c}}<!-- "Our character manifested itself five years into the Crusade." -->
−
|[[A Thousand Sons (Novel)|A Thousand Sons]] Chapter Twenty-Two <!-- "Our character manifested itself five years into the Crusade." -->
 
 
|-
 
|-
−
|The [[rogue trader]] [[Hel DeAniasie]] catalogues the trinary [[Paramar system]].
+
|'''Discovery of the Paramar system''' - The [[rogue trader]] [[Hel DeAniasie]] catalogues the trinary [[Paramar system]].{{Fn|17a}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 19
 
 
|-
 
|-
 
|804.M30
 
|804.M30
−
|The Nephritil and Ayurnas wipe out the Mohindas 11th.
+
|The Nephritil and Ayurnas wipe out the Mohindas 11th.{{Fn|26}}<!-- 6th year of GC -->
−
|[[Mark of Calth (Anthology)#Unmarked|Mark of Calth: Unmarked]] <!-- 6th year of GC -->
 
 
|-
 
|-
−
|ca. 805.M30 <!-- "almost two hundred years before" Isstvan III; if Martian years, then 427 years before Mechanicum, ca. 578.M30 -->
+
|rowspan=2|806.M30
−
|The [[Emperor of Mankind|Emperor]] arrives on [[Mars]].
+
|The [[Dark Eldar]] [[Kabal of the Shrieking Heart]] begins raiding [[Antimon]] around this time.{{Fn|27}}
−
|[[Mechanicum (Novel)|Mechanicum]] Chapter 1.03
 
 
|-
 
|-
−
|
+
|[[Compliance of the Osiris Cluster]] - The eleven star systems comprising the Osiris Cluster are brought to Compliance.{{Fn|28b}}
−
|The [[Primarch]]s are rediscovered and united with their Legions. Hundreds of thousands of human worlds are reclaimed under the [[Pax Imperialis]].
 
−
|[[Warhammer 40,000 6th Edition Rulebook]] pg. 168
 
 
|-
 
|-
−
|<!-- Putting a concrete date to this event will be a huge step toward dating other Primarch discoveries -->
+
|807.M30
−
|The [[Emperor of Mankind]] comes to [[Cthonia]] and recruits [[Horus]] to lead the [[Black Legion|XVI Legion]]. The facts of the events are lost to the fog of the ages.
+
|[[Battle of Rust]] - The [[Iron Hands|Xth Legion]] destroys the Krooked-Klaw [[ork]] empire, centred on 02-34 ("Rust"), with tactics known as the "Hammer and Storm." The Urshan Velites coin the name "Storm Walkers" for the Legion.{{Fn|14c}}
−
|[[Index Astartes]]: [[Black Legion]]; [[The Horus Heresy Book One - Betrayal]] pg. 67
 
 
|-
 
|-
−
|rowspan=2|806.M30
+
| ca. 810-835.M30 <!-- The novel Wolfsbane (chapter 9) indicates that this event ocurred when the Emperor have rediscovered only Horus, Leman Russ and Ferrus Manus-->
−
|The [[Dark Eldar]] [[Kabal of the Shrieking Heart]] begins raiding [[Antimon]] around this time.
+
|[[Wheel of Fire Campaign]]{{Fn|30}}
−
|[[Tales of Heresy (Anthology)#Wolf at the Door|Tales of Heresy: Wolf at the Door]]
 
 
|-
 
|-
−
|The eleven star systems comprising the Osiris Cluster are brought to Compliance.
+
|813.M30
−
|[[The Horus Heresy Book Five - Tempest]] pg. 73
+
|[[Mezoa]] becomes a [[Forge World]] of the [[Adeptus Mechanicus]].{{Fn|5a}}
 
|-
 
|-
−
|807.M30
+
|819.M30
−
|The [[Battle of Rust]]. The [[Iron Hands|Xth Legion]] destroys the Krooked-Klaw [[ork]] empire, centred on 02-34 ("Rust"), with tactics known as the "Hammer and Storm." The Urshan Velites coin the name "Storm Walkers" for the Legion.
+
|[[Leman Russ (Primarch)|Leman Russ]] is rediscovered on [[Fenris]]{{Fn|6}}
−
|[[The Horus Heresy Book Two - Massacre]] pgs. 65-66
 
 
|-
 
|-
−
|
+
|821.M30
−
|The Emperor comes to [[Fenris]] and recruits [[Leman Russ (Primarch)|Leman Russ]] to lead the [[Space Wolves|VI Legion]]. Russ's sword-brothers insist on being initiated into the legion despite their advanced ages. Of hundreds of candidates, only a few score survive to become the Thirteenth Great Company "Greybeards."
+
|[[Primarch II]] is rediscovered{{Fn|6}}{{Fn|56}}<!-- The Second was one of the first 8 Primarchs rediscovered, which means he was the first [REDACTED] one found -->
−
{{CanonConflict}}''[[False Gods (Novel)|False Gods]] Chapter Ten states that Horus fought alone with the Emperor for three decades after Horus was found''
 
−
|[[Index Astartes]]: [[Space Wolves]]; [[Codex: Space Wolves (5th Edition)]] pg. 9; [[Tales of Heresy (Anthology)#Wolf at the Door|Tales of Heresy: Wolf at the Door]]
 
 
|-
 
|-
−
|ca. 810.M30
+
|823.M30  
−
|The [[Emperor of Mankind]] comes to [[Medusa]] and recruits [[Ferrus Manus]] to lead the Xth Legion. Manus remakes the Legion in his image, naming them the [[Iron Hands]].
+
|[[Incident of Bezant]]/[[Bezantine Oath]] - First case of the [[Flesh Change]] within the [[Thousand Sons]] Legion.{{Fn|24b}}
−
|[[The Horus Heresy Book Two - Massacre]] pg. 66
 
 
|-
 
|-
−
|813.M30
+
|rowspan=2|824.M30
−
|[[Mezoa]] becomes a [[Forge World]] of the [[Adeptus Mechanicus]].
+
|[[Rogue trader]] Vaspperly Elgin makes contact with the pre-industrial remnant human inhabitants of [[Lethe (Planet)|Lethe]].{{Fn|6}}{{Fn|10b}}
−
|[[The Horus Heresy Book Four - Conquest]] pg. 66
 
 
|-
 
|-
−
|824.M30
+
|[[Ferrus Manus]] is rediscovered on [[Medusa (Planet)|Medusa]]{{Fn|6}}
−
|[[Rogue trader]] Vaspperly Elgin makes contact with the pre-industrial remnant human inhabitants of [[Lethe]].
 
−
|''Ibid.'' pg. 73
 
 
|-
 
|-
 
|ca. 829.M30
 
|ca. 829.M30
−
|The Proximan Betrayal. An insurrectionist cell attacks the compliance ceremony on Proxima. The [[Adeptus Custodes|Legio Custodes]] and Astartes of the XVI Cohort of the [[Emperor's Children|III Legion]] defend the [[Emperor of Mankind]], giving their lives so he can get to safety. In recognition of their sacrifice, the Emperor grants the III Legion the right to bear the Palatine [[Aquila]] in their heraldry and the right to invoke [[Exterminatus]] on Proxima.
+
|[[Proximan Betrayal]] - An insurrectionist cell attacks the compliance ceremony on Proxima. The [[Adeptus Custodes|Legio Custodes]] and Astartes of the XVI Cohort of the [[Emperor's Children|III Legion]] defend the [[Emperor of Mankind]], giving their lives so he can get to safety. In recognition of their sacrifice, the Emperor grants the III Legion the right to bear the Palatine [[Aquila]] in their heraldry and the right to invoke [[Exterminatus]] on Proxima.{{Fn|31c}}
−
|[[The Horus Heresy Book One - Betrayal]] pg. 103
 
 
|-
 
|-
 
|ca. 830.M30<!-- In the "fourth decade of the Crusade," the "early decades of the III Legion's existence," and "Coming within a solar year" of Proxima -->
 
|ca. 830.M30<!-- In the "fourth decade of the Crusade," the "early decades of the III Legion's existence," and "Coming within a solar year" of Proxima -->
−
|The [[Emperor's Children|III Legion]]'s [[gene-seed]] reserves fail to arrive at the vaults on [[Luna]] and an artificial pathogen obliterates several gene-seed vaults on [[Terra]], sealing the fate of the III Legion.
+
|The [[Emperor's Children|III Legion]]'s [[gene-seed]] reserves fail to arrive at the vaults on [[Luna]] and an artificial pathogen obliterates several gene-seed vaults on [[Terra]], sealing the fate of the III Legion.{{Fn|17d}}{{Fn|31d}}{{Fn|32a}}
−
|[[Index Astartes]]: [[Emperor's Children]]; [[The Horus Heresy Book One - Betrayal]] pg. 104; [[The Horus Heresy Book Three - Extermination]] pg. 80
+
|-
 +
|830.M30
 +
|[[Fulgrim]] is rediscovered on [[Chemos]]{{Fn|6}}
 
|-
 
|-
−
|<!-- Shortly after the III Legion gene-seed loss. -->
+
|832.[[M30]]
−
|Anomalous Legiones Astartes activity is first reported. The actions of unidentified Astartes is attributed to a "Ghost Legion."
+
|[[Vulkan]] is rediscovered on [[Nocturne]]{{Fn|6}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 81
 
 
|-
 
|-
 
|833.M30
 
|833.M30
−
|The Osiris Rebellion. The eleven star systems of the Osiris Cluster declare independence from the [[Imperium of Man]]. Gren Vosotho, Legion Commander of the [[Ultramarines|XIII Legion]], sends the 12th Expeditionary Fleet to end the rebellion. Failures of intelligence turn what was intended to be a swift decapitation strike into a battle of attrition against a previously-unknown [[xenos]] breed that drives the civilians to attack the Legiones Astartes in droves. The strike force withdraws, suffering serious losses, including Commander Vosotho and the Legion's flagship ''Sethaln's Thunder''. Command falls to [[Marius Gage]]. The Osiris Cluster is blockaded.
+
|[[Osiris Rebellion]] - The eleven star systems of the Osiris Cluster declare independence from the [[Imperium of Man]]. Gren Vosotho, Legion Commander of the [[Ultramarines|XIII Legion]], sends the 12th Expeditionary Fleet to end the rebellion. Failures of intelligence turn what was intended to be a swift decapitation strike into a battle of attrition against a previously-unknown [[xenos]] breed that drives the civilians to attack the Legiones Astartes in droves. The strike force withdraws, suffering serious losses, including Commander Vosotho and the Legion's flagship ''Sethaln's Thunder''. Command falls to [[Marius Gage]]. The Osiris Cluster is blockaded.{{Fn|28b}}
−
|[[The Horus Heresy Book Five - Tempest]] pg. 73
 
 
|-
 
|-
 
|834.M30
 
|834.M30
−
|The 12th Expeditionary Fleet returns to the Osiris Cluster with specialized reinforcements. The fleet discovers the worlds either littered with unburied dead or locked in civil war. The Osirian Psybrid xenoforms are nowhere to be found, though investigation uncovers the history of their insidious, covert infiltration of the cluster.
+
|The 12th Expeditionary Fleet returns to the Osiris Cluster with specialized reinforcements. The fleet discovers the worlds either littered with unburied dead or locked in civil war. The Osirian Psybrid xenoforms are nowhere to be found, though investigation uncovers the history of their insidious, covert infiltration of the cluster.{{Fn|10x}}
−
|''Ibid.''
 
 
|-
 
|-
 
|835.M30 <!-- Date given in Praetorian is around ten years before date inferred from HH3 -->
 
|835.M30 <!-- Date given in Praetorian is around ten years before date inferred from HH3 -->
−
|The [[Emperor of Mankind|Emperor]] comes to [[Inwit]] and recruits [[Rogal Dorn]] to lead the [[Imperial Fists]]. Dorn is the seventh lost son found.
+
|'''Recruitment of Rogal Dorn''' - The [[Emperor of Mankind|Emperor]] comes to [[Inwit]] and recruits [[Rogal Dorn]] to lead the [[Imperial Fists]]. Dorn is the seventh lost son found.{{Fn|17b}}{{Fn|32c}}{{Fn|33}}{{Fn|34a}}
−
|[[Index Astartes]]: [[Imperial Fists]]; [[The Dark King and The Lightning Tower (Audio Book)|The Lightning Tower]]; [[The Horus Heresy Book Three - Extermination]] pg. 60; [[Praetorian of Dorn (Novel)|Praetorian of Dorn]] ''Gift of the Father''
 
 
|-
 
|-
−
|<!-- Fifty years after his arrival on Chemos -->
+
|837.M30
−
|The [[Emperor of Mankind|Emperor]] comes to [[Chemos]] and recruits [[Fulgrim]] to lead the III Legion. After Fulgrim addresses the two hundred surviving Astartes, the Emperor accepts the name he had given them, the [[Emperor's Children]].
+
|'''Recruitment of Roboute Guilliman''' - The [[Emperor]] comes to [[Macragge]] to meet [[Roboute Guilliman]]. Recognizing him as [[Primarch|his son]], the Emperor brings Guilliman to lead the XIII Legion. The Legion adopts the trappings of Guilliman's culture and becomes the [[Ultramarines]].{{Fn|6}}
−
|[[Index Astartes]]: [[Emperor's Children]]; [[The Horus Heresy Book One - Betrayal]] pg. 104
 
 
|-
 
|-
−
|<!-- 10 years after Lion's arrival -->
+
|rowspan=2|840.M30
−
|[[Luther]] finds a feral child in the forests of [[Caliban]] and names him [[Lion El'Jonson]] (The Lion, Son of the Forest).
+
|''[[Pride of the Emperor]]'''s keel is laid down in the [[Jupiter]] shipyards.{{Fn|35}}<!-- 160 years before Laeran -->
−
|[[Descent of Angels (Novel)|Descent of Angels]] Prologue
 
 
|-
 
|-
−
|
+
|'''Recruitment of Magnus the Red''' - The [[Emperor of Mankind]] discovers [[Magnus]] the Red on [[Prospero]] and unites him with the XV Legion. Magnus names them his [[Thousand Sons]].{{Fn|20b}}<!-- 13 years before Morningstar -->
−
|[[Lion El'Jonson]] leads the knights of [[Caliban]] in a ten-year campaign to exterminate the great beasts that haunt the forests. The Knights of Lupus refuse to join the hunt and are destroyed.
 
−
|[[Descent of Angels (Novel)|Descent of Angels]] Prologue, Book Two
 
 
|-
 
|-
−
|ca. 840.M30
+
|841.M30
−
|The [[Emperor]] comes to [[Macragge]] to meet [[Roboute Guilliman]]. Recognizing him as [[Primarch|his son]], the Emperor brings Guilliman to lead the XIII Legion. The Legion adopts the trappings of Guilliman's culture and becomes the [[Ultramarines]].
+
|[[House Vornherr]]'s Warrant of Ancient Domain and Arms is ratified.{{Fn|28e}}
−
|[[The Horus Heresy Book Five - Tempest]] pg. 75, 96
 
 
|-
 
|-
−
|rowspan=2|840.M30
+
|842-843.M30
−
|''[[Pride of the Emperor]]'''s keel is laid down in the [[Jupiter]] shipyards. <!-- 160 years before Laeran -->
+
|The [[Iron Warriors|IV Legion]] expend nearly all of their front-line forces during the liberation of [[Incaladion]].{{Fn|17i}}
−
|[[Fulgrim (Novel)|Fulgrim]] Chapter Two
+
|-
 +
|rowspan=2|843.M30
 +
|'''Discovery of Xana''' - [[Rogue trader]] Casilida DeAniasie makes contact with the Sovereign Forge Domain of [[Xana]], leading to diplomatic negotiations between Xana, the [[Imperium of Man]], and the [[Adeptus Mechanicus]].{{Fn|36}}
 
|-
 
|-
−
|The [[Emperor of Mankind]] discovers [[Magnus]] the Red on [[Prospero]] and unites him with the XV Legion. Magnus names them his [[Thousand Sons]]. <!-- 13 years before Morningstar -->
+
|'''Recruitment of Sanguinius''' - The Emperor comes to [[Baal]] to recruit [[Sanguinius]]. The [[Blood Angels|IX Legion]] are ordered to muster at the Teghar system to meet their [[Primarch]], a process that takes two years and four months.{{Fn|22d}}
−
{{CanonConflict}}[[A Thousand Sons (Novel)|A Thousand Sons]] Chapter One describes the Thousand Sons as having their Primarch for less than half of the duration of the Great Crusade by the two-hundred year point.
 
−
|[[Magnus the Red: Master of Prospero (Novel)]] Chapter 2
 
 
|-
 
|-
−
|841.M30
+
|844.M30  
−
|[[House Vornherr]]'s Warrant of Ancient Domain and Arms is ratified.
+
|[[Battle of Thapsus]]{{Fn|22e}}<!--the datation in the book indicates that this battle occurs at 744.M30, it's seems an error of datation due to the fact that the Great Crusade begins ca. 792.M30. Nevertheless the existence of this Pioneer Companies on the Vth Legion are prior with its reunification with the Primarch Jagahtai Khan-->
−
|[[The Horus Heresy Book Five - Tempest]] pg. 122
 
 
|-
 
|-
−
|842-843.M30
+
|845.M30
−
|The [[Iron Warriors|IV Legion]] expend nearly all of their front-line forces during the liberation of [[Incaladion]].
+
|[[Teghar Campaign]] - The IX Legion brings the Teghar system to Compliance. [[Sanguinius]] renames his legion the [[Blood Angels]].{{Fn|22d}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 102
 
 
|-
 
|-
−
|843.M30
+
|846.M30
−
|[[Rogue trader]] Casilida DeAniasie makes contact with the Sovereign Forge Domain of [[Xana]], leading to diplomatic negotiations between Xana, the [[Imperium of Man]], and the [[Adeptus Mechanicus]].
+
|[[Lion El'Jonson]] is rediscovered on [[Caliban]]{{Fn|6}}
−
|[[The Horus Heresy Book Six - Retribution]] pg. 60
 
 
|-
 
|-
−
| <!-- Vulkan's 4th year on Nocturne; 1 Nocturnian year = 15 Terran -->
+
|848.M30
−
|[[Vulkan]] leads [[Nocturne]]'s defenders against [[Eldar]] raiders.
+
|The 4th Expeditionary Fleet discovers [[Sarosh]]. Harlad Furst is appointed [[Imperial governor]], but the planet's impenetrable bureaucracy prevents any action toward Compliance for over a year. The Saroshi try to destroy ''[[Invincible Reason]]'' with an atomic bomb, but are defeated.{{Fn|11d}}{{Fn|22a}}
−
|[[Index Astartes]]: [[Salamanders]]
 
 
|-
 
|-
 
|849.M30 <!-- late 840's; barely four years before Morningstar -->
 
|849.M30 <!-- late 840's; barely four years before Morningstar -->
−
|The [[Emperor]] comes to [[Olympia]] and recruits [[Perturabo]] to lead the IV Legion. He finds his forces lacking and decimates them, ordering nine of every ten Legionaries to kill the remaining with their bare hands. He takes the rest on a campaign to subjugate the [[Meratara Cluster]]; at the end of the campaign, the IV Legion becomes the [[Iron Warriors]].
+
|'''Recruitment of Perturabo''' - The [[Emperor]] comes to [[Olympia]] and recruits [[Perturabo]] to lead the IV Legion. He finds his forces lacking and decimates them, ordering nine of every ten Legionaries to kill the remaining with their bare hands. He takes the rest on a campaign to subjugate the [[Meratara Cluster]]; at the end of the campaign, the IV Legion becomes the [[Iron Warriors]].{{Fn|17j}}{{Fn|20b}}{{Fn|23b}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 109-110; [[Magnus the Red: Master of Prospero (Novel)]] Chapter Two
 
 
|-
 
|-
 
|ca. 850.M30
 
|ca. 850.M30
−
|The [[Knight World]] [[Chrysis]] is rediscovered.
+
|'''Discovery of Chrysis''' - The [[Knight World]] [[Chrysis]] is rediscovered. [[House Krast]] of this planet joined to [[Imperium]]{{Fn|19a}}{{Fn|37}}
−
|[[Codex: Imperial Knights (6th Edition)]]
 
 
|-
 
|-
−
|
+
|853.M30 <!-- Twelve primarchs found -->
−
|The [[Emperor of Mankind|Emperor]] comes to [[Caliban]] to recruit [[Lion El'Jonson]] to lead the First Legion. [[Zahariel El'Zurias]] narrowly averts an assassination attempt on the Emperor. The Lion dubs the First Legion the [[Dark Angels]] after figures of Caliban myth.
+
|The [[Thousand Sons]] and [[Iron Warriors]] respond to evacuate the population of [[Morningstar (Planet)|Morningstar]] while the planet suffers catastrophic geomagnetic upheavals. No native of the planet survives its destruction.{{Fn|20x}}
−
|[[Descent of Angels (Novel)|Descent of Angels]] Book Three
 
 
|-
 
|-
−
|853.M30 <!-- Twelve primarchs found -->
+
|854.M30
−
|The [[Thousand Sons]] and [[Iron Warriors]] respond to evacuate the population of [[Morningstar (planet)|Morningstar]] while the planet suffers catastrophic geomagnetic upheavals. No native of the planet survives and planet is destroyed.
+
|[[Mortarion]] is rediscovered on [[Barbarus]]{{Fn|6}}
−
|[[Magnus the Red: Master of Prospero (Novel)]]
 
 
|-
 
|-
 
|856.M30
 
|856.M30
−
|[[Lorgar]]'s six-year civil war/crusade ends with the unification of [[Colchis]] under his rulership.
+
|[[Lorgar]]'s six-year civil war/crusade ends with the unification of [[Colchis]] under his rulership.{{Fn|13g}}
−
|[[The First Heretic (Novel)|The First Heretic]] Chapter Ten
 
 
|-
 
|-
 
|857.M30
 
|857.M30
−
|The [[Emperor of Mankind]] comes to [[Colchis]] and recruits [[Lorgar]] to lead the Imperial Heralds. Lorgar renames his legion the [[Word Bearers]].
+
|'''Recruitment of Lorgar''' - The [[Emperor of Mankind]] comes to [[Colchis]] and recruits [[Lorgar]] to lead the Imperial Heralds. Lorgar renames his legion the [[Word Bearers]].{{Fn|10x}}{{Fn|28a}}{{Fn|32e}}{{Fn|38a}}
−
|''Ibid.''; [[Index Astartes]]: [[Word Bearers]]; [[Aurelian (Novella)|Aurelian]] Prologue; [[The Horus Heresy Book Five - Tempest]] pg. 16
 
 
|-
 
|-
−
|
+
|858.M30
−
|The [[Emperor of Mankind|Emperor]], [[Lorgar]], [[Ferrus Manus]], [[Rogal Dorn]], [[Fulgrim]], and representatives of their legions and the [[Ultramarines]] come to [[Nostramo]] and recruit [[Konrad Curze]] to lead the [[Night Lords]] Legion.
+
|[[Purging of Arachiana]] - [[Lorgar]] leads the [[Word Bearers]] to destroy the Cult of the Iconoclast on the planet [[Arachnia]]. The sect worships "The One True God," who is described in ways similar to the Emperor. Lorgar incorporates elements of the Cult's dogma into early versions of the [[Book of Lorgar]].{{Fn|22a}}
−
|[[Index Astartes]]: [[Night Lords]]; [[Shadows of Treachery (Anthology)#Prince of Crows|Shadows of Treachery: Prince of Crows]] Chapter Six
 
 
|-
 
|-
 
|ca. 860.M30 <!-- "Korchin ... had been the language of the Legion for the hundred and twenty years since the Master of Mankind had made himself known to us." Jaghatai named among Primarchs at Molech compliance, so this must pre-date that event. -->
 
|ca. 860.M30 <!-- "Korchin ... had been the language of the Legion for the hundred and twenty years since the Master of Mankind had made himself known to us." Jaghatai named among Primarchs at Molech compliance, so this must pre-date that event. -->
−
|The [[Emperor of Mankind|Emperor]] comes to [[Chogoris]] and recruits [[Jaghatai Khan]] to lead the [[White Scars]].
+
|'''Recruitment of Jaghatai Khan''' - The [[Emperor of Mankind|Emperor]] comes to [[Chogoris]] and recruits [[Jaghatai Khan]] to lead the [[White Scars]]. The Khan is the fifteenth [[Primarch]] rediscovered.{{Fn|32b}}{{Fn|39}}{{Fn|40}}
−
|[[Index Astartes]]: [[White Scars]]; [[Brotherhood of the Storm (Novella)|Brotherhood of the Storm]] Part I
+
|-
 +
|rowspan=2|860.M30
 +
|The [[Ultramarines]] respond to a sighting of the Osirian Psybrid [[xenos]] only to find a dying agri-world.{{Fn|28c}}
 +
|-
 +
|[[Compliance of Skagan-VI]]{{Fn|24e}}
 +
|-
 +
|rowspan=2|865.M30
 +
|[[Ork]]s invade [[Rennimar]] shortly after the [[Imperial Fists]] bring the world to Compliance.{{Fn|34b}}
 
|-
 
|-
−
|860.M30
+
|[[Jaghatai Khan]] is rediscovered on [[Chogoris]]{{Fn|6}}
−
|The [[Ultramarines]] respond to a sighting of the Osirian Psybrid [[xenos]] only to find a dying agri-world.
 
−
|[[The Horus Heresy Book Five - Tempest]] pg. 96
 
 
|-
 
|-
−
|865.M30
+
|866.M30
−
|[[Ork]]s invade [[Rennimar]] shortly after the [[Imperial Fists]] bring the world to Compliance.
+
|[[Compliance of Riobhia]] - The [[Raven Guard|XIX Legion]] is tasked with forcing Compliance on [[Riobhia]] and destroying the Grael Library, a repository of proscribed knowledge. While en route, the Legion receives communication from a [[Thousand Sons]] fleet that had already intervened and dealt with the situation.{{Fn|22a}}
−
|[[Praetorian of Dorn (Novel)|Praetorian of Dorn]] ''Lord of Conquest''
 
 
|-
 
|-
 
|869.M30
 
|869.M30
−
|In the presence of the [[Emperor]], [[Horus]], [[Fulgrim]], [[Lion El'Jonson]], and [[Jaghatai Khan]], the [[Knight World]] [[Molech]] is brought to Compliance. Cyprian Devine of [[House Devine]] is named [[Planetary Governor]]. The Emperor garrisons Molech with almost a hundred Imperial Army regiments, three [[Adeptus Titanicus]] cohorts, and detachments from two legions to protect a secret that he suppresses in the memories of his sons.
+
|[[Compliance of Molech]] - In the presence of the [[Emperor]], [[Horus]], [[Fulgrim]], [[Lion El'Jonson]], and [[Jaghatai Khan]], the [[Knight World]] [[Molech]] is brought to Compliance. Cyprian Devine of [[House Devine]] is named [[Planetary Governor]]. The Emperor garrisons Molech with almost a hundred Imperial Army regiments, three [[Adeptus Titanicus]] cohorts, and detachments from two legions to protect a secret that he suppresses in the memories of his sons.{{Fn|41}}{{Fn|42}}
−
|[[The Imperial Truth (Anthology)#The Devine Adoratrice|The Imperial Truth: The Devine Adoratrice]]; [[Vengeful Spirit (Novel)|Vengeful Spirit]] Chapter 2
 
 
|-
 
|-
 
|870.M30
 
|870.M30
−
|The [[Dulan Campaign]] ends. The [[Dark Angels]] and [[Space Wolves]] come to blows during the void battle over Dulan, beginning a tradition of honour duels between the two Legions and later Chapters.
+
|[[Dulan Campaign]] - The [[Dark Angels]] and [[Space Wolves]] come to blows during the void battle over Dulan, beginning a tradition of honour duels between the two Legions and later Chapters.{{Fn|43}}
−
|[[Leman Russ: The Great Wolf (Novel)|Leman Russ: The Great Wolf]]
 
 
|-
 
|-
 
|876.M30
 
|876.M30
−
|The 611th Expeditionary Fleet bloodlessly brings [[Zavarich]] to Compliance.
+
|[[Compliance of Zavarich]] - The 611th Expeditionary Fleet bloodlessly brings [[Zavarich]] to Compliance.{{Fn|5c}}
−
|[[The Horus Heresy Book Four - Conquest]] pg. 68
+
|-
 +
|rowspan=2|881.M30
 +
|[[Emancipation of Drune]]{{Fn|22f}}
 +
|-
 +
| The '''Majind Torc Transgression''' takes place.{{Fn|22b}} (Also see [[Second Rangdan Xenocide]])
 +
|-
 +
|882.M30
 +
|A battered Rangdan fleet is encountered and destroyed, marking the end of the [[Second Rangdan Xenocide|Second Rangdan War]]. {{Fn|8c}}
 
|-
 
|-
−
|ca. 885.M30
+
|rowspan=2|ca. 890.M30 <!-- Other side of thirty-year span beginning Farinatus -10y -->
−
|The [[Emperor of Mankind|Emperor]] comes to [[Barbarus]] and recruits [[Mortarion]] to lead the Dusk Raiders. In his address to the assembled Astartes, Mortarion names him his [[Death Guard]].
+
|[[Third Rangdan Xenocide]]. Some fifty thousand [[Space Marine]]s fall in action, striking a severe blow to the manpower of the [[Dark Angels]]. The [[Alpha Legion]] unexpectedly appears as a reinforcing element.{{Fn|17f}}{{Fn|28c}}
−
|[[Index Astartes]]: [[Death Guard]]; [[The Horus Heresy Book One - Betrayal]] pg. 122 <!-- "... for more than eight decades the Dusk Raiders fought on unwavering in the service of the Great Crusade" -->
 
 
|-
 
|-
−
|ca. 890.M30 <!-- Other side of thirty-year span beginning Farinatus -10y -->
+
|Tentative date for Vulkan joining the Salamanders in the Antaem Ork Campaign. Other legions were occupied as reserves against the Rangda incursion from the Halo Stars or along the Eastern Fringe. As this was the final Rangdan Xenocide, no date later than this is possible.{{Fn|14e}}<!-- Note: This is not the date he was found by the Emperor, which was sooner. -->
−
|The [[Third Rangdan Xenocide]]. Some fifty thousand [[Space Marine]]s fall in action, striking a severe blow to the manpower of the [[Dark Angels]]. The [[Alpha Legion]] unexpectedly appears as a reinforcing element.
 
−
|[[The Horus Heresy Book Three - Extermination]] pg. 82, [[The Horus Heresy Book Five - Tempest]] pg. 96
 
 
|-
 
|-
 
|rowspan=2|891.M30
 
|rowspan=2|891.M30
−
|The [[Crisis of the Hungering Gyre]].
+
|[[Crisis of the Hungering Gyre]].{{Fn|17a}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 19
+
|-
 +
|'''Discovery of Grail''' - [[Rogue trader]] Corthona Van Der Veld discovers the dead world that she names [[Grail]].{{Fn|5d}}
 
|-
 
|-
−
|[[Rogue trader]] Corthona Van Der Veld discovers the dead world that she names [[Grail]].
+
|Late 890s.M30
−
|[[The Horus Heresy Book Four - Conquest]] pg. 71
+
|[[Numinal]] is colonized to secure the [[Coronid Reach]]'s transport and navigation channels.{{Fn|5f}}
 +
|-
 +
|896.M30
 +
|[[Konrad Curze]] is rediscovered on [[Nostramo]]{{Fn|6}}
 
|-
 
|-
 
|897.M30
 
|897.M30
−
|[[Moab]] becomes an Imperial world upon installation of an Imperial governor.
+
|[[Moab]] becomes an Imperial world upon installation of an Imperial governor.{{Fn|10a}}
−
|''Ibid.'' pg. 67
 
 
|-
 
|-
−
|
+
|rowspan=2|899.M30
−
|[[Numinal]] is colonized to secure the [[Coronid Reach]]'s transport and navigation channels.
+
|[[Angron]] is rediscovered on [[Nuceria]]{{Fn|6}}
−
|''Ibid.'' pg. 75
+
|-
 +
|The [[World Eaters|War Hounds]] encounter the Osirian Psybrids while battling the [[Ork]]s of the Glortian Empire near Eurydice Terminal. [[Roboute Guilliman]] receives astrotelepathic information and moves to reinforce the War Hounds and wipe out the Psybrids.{{Fn|28d}}
 +
|}
 +
 
 +
== 900-999.M30 ==
 +
{|align=center border="1" cellpadding="5" cellspacing="0"
 +
|style=background:#4F4F4F align=center width="100"|'''Year'''
 +
|style=background:#4F4F4F align=center|'''Event'''
 
|-
 
|-
−
|<!--late--> 899.M30
+
|ca. 900.M30
−
|The [[World Eaters|War Hounds]] encounter the Osirian Psybrids while battling the [[Ork]]s of the Glortian Empire near Eurydice Terminal. [[Roboute Guilliman]] receives astrotelepathic information and moves to reinforce the War Hounds and wipe out the Psybrids.
+
|The [[Thousand Sons]] Legion, the Flesh-Change apparently resolved, rejoin the Crusade some time after this point; by the second century of the Crusade (ca. 000.M31) they will have been at war for "less than a hundred years" of it.{{Fn|25b}}
−
|[[The Horus Heresy Book Five - Tempest]] pg. 97
 
 
|-
 
|-
 
|902.M30
 
|902.M30
−
|The [[Iron Warriors]] 3rd and 118th Grand Battalions suffer 65% casualties in the subjugation of [[Kaldorax Aleph]].
+
|The [[Iron Warriors]] 3rd and 118th Grand Battalions suffer 65% casualties in the subjugation of [[Kaldorax Aleph]].{{Fn|17l}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
 
|-
 
|-
 
|903.M30 <!-- "Your compliance with the Imperium of the Man has held for sixty-one years." -->
 
|903.M30 <!-- "Your compliance with the Imperium of the Man has held for sixty-one years." -->
−
|The [[Word Bearers]] bring Forty-Seven Ten (Khur) to Compliance. They eventually turn the planetary capital [[Monarchia]] into a temple city dedicated to worship of the Emperor.
+
|The [[Word Bearers]] bring Forty-Seven Ten (Khur) to Compliance. They eventually turn the planetary capital [[Monarchia]] into a temple city dedicated to worship of the Emperor.{{Fn|13a}}
−
|[[The First Heretic (Novel)|The First Heretic]] Chapter One
 
 
|-
 
|-
−
|907.M30
+
|921.M30
−
|[[Angron]]-Thal'kr disappears on the eve of the Battle of Desh'elika Ridge, teleported to the [[Emperor of Mankind]]'s ship. [[Nuceria]]n forces assume that he fled the field and Angron's fellow slave-gladiators are slaughtered. He kills every War Hounds officer who meets with him in the depths of the ''Adamant Resolve'' until [[Khârn]] convinces him that they are to serve him. Angron declares that the War Hounds will now be called his [[World Eaters]]. The flagship would later be renamed ''[[Conqueror (Ship)|Conqueror]]''.
+
|[[Battle of Keylek]] - The [[Luna Wolves]] [[Battle of Keylek|exterminate]] the [[keylekid]] [[xenos]].{{Fn|18b}}<!-- "This was eighty years ago" -->
−
|[[Index Astartes]]: [[World Eaters]]; [[Betrayer (Novel)|Betrayer]] Chapter Eighteen<!-- a hundred years before the Nucerian extermination -->; [[Tales of Heresy (Anthology)#After Desh'ea|Tales of Heresy: After Desh'ea]]
 
 
|-
 
|-
−
|921.M30
+
|922.M30
−
|The [[Black Legion|Luna Wolves]] [[Battle of Keylek|exterminate]] the [[keylekid]] [[xenos]].
+
|[[Corvus Corax]] is rediscovered on [[Deliverance]]{{Fn|6}}
−
|[[Horus Rising (Novel)|Horus Rising]] Part One Chapter Nine <!-- "This was eighty years ago" -->
 
 
|-
 
|-
 
|926.M30
 
|926.M30
−
|[[Vlorlath Srader]] is established within the [[Manachean Commonwealth]] after the region's Compliance.
+
|[[Vlorlath Srader]] is established within the [[Manachean Commonwealth]] after the region's Compliance.{{Fn|5e}}
−
|[[The Horus Heresy Book Four - Conquest]] pg. 72
+
|-
 +
|rowspan=3|ca. 927.M30
 +
|[[Cryptosi Purgation]].{{Fn|17h}}
 
|-
 
|-
−
|rowspan=2|ca. 927.M30
+
|Mark II Legiones Astartes [[power armour]] is considered largely obsolete by this time.{{Fn|10x}}
−
|The [[Cryptosi Purgation]].
 
−
|[[The Horus Heresy Book Three - Extermination]] pg. 94
 
 
|-
 
|-
−
|Mark II Legiones Astartes [[power armour]] is considered largely obsolete by this time.
+
||[[Primarch XI]] is rediscovered{{Fn|6}}{{Fn|56}}<!-- The Second was one of the first 8 Primarchs rediscovered, which means Eleventh was the second [REDACTED] one found -->
−
|''Ibid.''
 
 
|-
 
|-
 
|933.M30
 
|933.M30
−
|The [[Iron Warriors]] 33rd Grand Battalion suffers 78% casualties during the [[Third Temporaferrox Extermination]]. [[Perturabo]] considers the losses acceptable in light of the complete annihilation of the [[xenos]].
+
|The [[Iron Warriors]] 33rd Grand Battalion suffers 78% casualties during the [[Third Temporaferrox Extermination]]. [[Perturabo]] considers the losses acceptable in light of the complete annihilation of the [[xenos]].{{Fn|17l}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
−
|-
 
−
|ca. 935.M30
 
−
|The [[Emperor of Mankind]] discovers [[Magnus]] the Red on [[Prospero]] and unites him with the XV Legion. Magnus names them his [[Thousand Sons]].
 
−
{{CanonConflict}}''Magnus appears in Lorgar's recollections in [[The First Heretic (Novel)|The First Heretic]] Chapter Five; [[Ahzek Ahriman]] names [[Corvus Corax]] among the primarchs who feared the pre-Magnus Thousand Sons' psychic powers in [[A Thousand Sons (Novel)|A Thousand Sons]] Chapter Twenty-Two''
 
−
|[[A Thousand Sons (Novel)|A Thousand Sons]] Chapter One <!-- "...the Thousand Sons had fought for less than a hundred years." -->
 
 
|-
 
|-
 
|942.M30
 
|942.M30
−
|[[Gethsamaine]] is colonized.
+
|[[Gethsamaine]] is colonized.{{Fn|5b}}
−
|[[The Horus Heresy Book Four - Conquest]] pg. 67
 
 
|-
 
|-
 
|945.M30<!-- ~60 years before Horus's return to Davin -->
 
|945.M30<!-- ~60 years before Horus's return to Davin -->
−
|The [[63rd Expeditionary Fleet]] brings 63-8 ([[Davin]]) to Compliance. [[Kor Phaeron]] of the [[Word Bearers]] remains behind to enlighten the Davinites. [[Eugen Temba]] is installed as [[Imperial governor]]. His ship ''[[Glory of Terra]]'' crashes on Davin's moon shortly after.
+
|[[Compliance of Davin]] - The [[63rd Expeditionary Fleet]] brings 63-8 ([[Davin]]) to Compliance. [[Kor Phaeron]] of the [[Word Bearers]] remains behind to enlighten the Davinites. [[Eugen Temba]] is installed as [[Imperial governor]]. His ship ''[[Glory of Terra]]'' crashes on Davin's moon shortly after.{{Fn|18c}}{{Fn|44a}}{{Fn|44b}}{{Fn|44c}}
−
|[[Horus Rising (Novel)|Horus Rising]] Part Two Chapter Three; [[False Gods (Novel)|False Gods]] Part One Chapter One, Three, Seven
 
−
|-
 
−
|
 
−
|The 4th Expeditionary Fleet discovers [[Sarosh]]. Harlad Furst is appointed [[Imperial governor]], but the planet's impenetrable bureaucracy prevents any action toward Compliance for over a year. The Saroshi try to destroy ''[[Invincible Reason]]'' with an atomic bomb, but are defeated.
 
−
|[[Descent of Angels (Novel)|Descent of Angels]] Book Four
 
−
|-
 
−
|948.M30
 
−
|[[Luther]] and five hundred [[Dark Angels]] battle-brothers are sent back to [[Caliban]] to train new recruits.
 
−
|[[Fallen Angels (Novel)|Fallen Angels]] Prologue <!-- 147th year of Great Crusade -->
 
−
|-
 
−
|
 
−
|The [[two unknown legions]] are removed from Imperial records and the [[Primarch]]s swear oaths to never speak of them again.
 
−
|[[The First Heretic (Novel)|The First Heretic]] Chapter Ten
 
 
|-
 
|-
−
|<!-- after "most" of the primarchs were recovered and the two unknown primarchs were purged -->
+
|Early 960s.M30
−
|The [[Emperor of Mankind]] comes to Kiavahr's moon [[Deliverance|Lycaeus]] as its slave labourers seize control. He recruits the uprising's leader, [[Corvus Corax]], to lead the [[Raven Guard]].
+
|[[Defence of Helioret]]{{Fn|24f}}
−
|[[Index Astartes]]: [[Raven Guard]]; [[Deliverance Lost (Novel)|Deliverance Lost]] Chapter Nine
 
 
|-
 
|-
 
|962.M30
 
|962.M30
−
|The [[Iron Warriors]] 282nd Grand Battalion suffers 32% casualties during the [[Pacification of the Saryine Compact]] while reducing the rebels' combat strength to 30%. [[Perturabo]] censures the 282nd's command for "lack of zeal."
+
|[[Pacification of the Saryine Compact]] - The [[Iron Warriors]] 282nd Grand Battalion suffers 32% casualties during the conflict while reducing the rebels' combat strength to 30%. [[Perturabo]] censures the 282nd's command for "lack of zeal."{{Fn|17l}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
 
|-
 
|-
 
|rowspan=2|964.M30 <!-- 43 years before Isstvan V -->
 
|rowspan=2|964.M30 <!-- 43 years before Isstvan V -->
−
|On the order of the [[Emperor of Mankind]], the [[Ultramarines]] destroy [[Monarchia]] with seven days' notice. [[Lorgar]] and the [[Word Bearers]] arrive two months later and the Emperor forces them to kneel before him and [[Roboute Guilliman]] in the ashes of the Perfect City and its slain inhabitants. Only seven survivors are found, including [[Cyrene Valantion]].
+
|On the order of the [[Emperor of Mankind]], the [[Ultramarines]] destroy [[Monarchia]] with seven days' notice. [[Lorgar]] and the [[Word Bearers]] arrive two months later and the Emperor forces them to kneel before him and [[Roboute Guilliman]] in the ashes of the Perfect City and its slain inhabitants. Only seven survivors are found, including [[Cyrene Valantion]].{{Fn|13b}}{{Fn|13c}}{{Fn|13f}}{{Fn|14b}}{{Fn|46}}
−
|[[The First Heretic (Novel)|The First Heretic]] Chapter Two - Four, Nine; [[Know No Fear (Novel)|Know No Fear]]; [[The Horus Heresy Book Two - Massacre]] pg. 19
 
 
|-
 
|-
−
|The [[Word Bearers]] bring Forty-Seven Sixteen to Compliance by slaughtering every living inhabitant, approximately two hundred million, in one day.
+
|[[Battle of 47-16]] - The [[Word Bearers]] bring Forty-Seven Sixteen to Compliance by slaughtering every living inhabitant, approximately two hundred million, in one day.{{Fn|13d}}{{Fn|13e}}{{Fn|47}}
−
|[[The First Heretic (Novel)|The First Heretic]] Chapter Seven, Eight; [[Tales of Heresy (Anthology)#Scions of the Storm|Tales of Heresy: Scions of the Storm]]
 
 
|-
 
|-
 
|965.M30
 
|965.M30
−
|The [[Space Wolves]] participate in a classified action. <!-- Likely the culling of one of the two unknown legions -->
+
|The [[Space Wolves]] participate in a classified action.{{Fn|14b}}<!-- Likely the culling of one of the two unknown legions -->
−
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
 
|-
 
|-
 
|966.M30
 
|966.M30
−
|[[Cadia]] is entered into the Carta Imperialis.
+
|'''Discovery of Cadia''' - [[Cadia]] is entered into the Carta Imperialis.{{Fn|10x}}
−
|''Ibid.''
 
 
|-
 
|-
 
|967.M30 <!-- 3 years after the destruction of Monarchia -->
 
|967.M30 <!-- 3 years after the destruction of Monarchia -->
−
|[[Lorgar]] takes his pilgrimage to the [[Eye of Terror]] and comes out a prophet of the [[Chaos]] gods.
+
|[[Lorgar]] takes his pilgrimage to the [[Eye of Terror]] and comes out a prophet of the [[Chaos]] gods.{{Fn|13i}}{{Fn|38b}}
−
|[[The First Heretic (Novel)|The First Heretic]] Part Two; [[Aurelian (Novella)|Aurelian]] Part Two
 
 
|-
 
|-
 
|969.M30
 
|969.M30
−
|The [[Space Wolves]] participate in a classified action. <!-- Likely the culling of the other unknown legion -->
+
|The [[Space Wolves]] participate in a classified action.{{Fn|14b}}<!-- Likely the culling of the other unknown legion -->
−
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
 
|-
 
|-
 
|970.M30
 
|970.M30
−
|[[Horus]], [[Typhus|Calas Typhon]], and [[Luther]] lead the [[Black Legion|Luna Wolves]], [[Death Guard]], and [[Dark Angels]] to suppress a rebellion on [[Zaramund]]. In the victory celebration, [[Lion El'Jonson]] arrives to rebuke [[Luther]] for disobeying his order to remain on [[Caliban]].
+
|[[Zaramund Campaign]] - [[Horus]], [[Typhus|Calas Typhon]], and [[Luther]] lead the [[Luna Wolves]], [[Death Guard]], and [[Dark Angels]] to suppress a rebellion on [[Zaramund]]. In the victory celebration, [[Lion El'Jonson]] arrives to rebuke [[Luther]] for disobeying his order to remain on [[Caliban]].{{Fn|48}}
−
|[[Angels of Caliban (Novel)|Angels of Caliban]] Prologue
 
 
|-
 
|-
 
|972.M30
 
|972.M30
−
|The [[Night Lords]] and [[Raven Guard]] participate in the [[Farinatus Extermination]].
+
|[[Farinatus Extermination]] - The [[Night Lords]] and [[Raven Guard]] participate in the [[Farinatus Extermination]].{{Fn|14b}}
−
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
 
|-
 
|-
 
|late 970s.M30
 
|late 970s.M30
−
|The [[Night Lords]] engage in a protracted persecution of the Gethora Warp-Witches across the Vaomir Reaches.
+
|The [[Night Lords]] engage in a protracted persecution of the Gethora Warp-Witches across the Vaomir Reaches.{{Fn|28f}}
−
|[[The Horus Heresy Book Five - Tempest]] pg. 139
 
 
|-
 
|-
 
|976.M30
 
|976.M30
−
|[[Dwell]] is brought to Compliance.
+
|[[Dwell]] is brought to Compliance.{{Fn|49}}<!-- 32 years before Isstvan V -->
−
|[[Age of Darkness (Anthology)#Little Horus|Age of Darkness: Little Horus]] <!-- 32 years before Isstvan V -->
 
 
|-
 
|-
−
|<!-- "towards the end of the Great Crusade" -->
+
|ca. 980.M30
−
|A [[Black Legion|Luna Wolves]] fleet led by [[Horus]] responds to a distress call from a scout ship lured into a minefield. Horus discovers that the attackers have boarded the ship and comes face to face with the intruders' leader: the last [[Primarch]] [[Alpharius]]. Alpharius remains at Horus's side for several months before journeying to [[Terra]] and meeting the [[Emperor of Mankind]].
+
|[[War of the Pale Emperor]]{{Fn|22g}}
−
{{CanonConflict}} ''[[The Horus Heresy Book Three - Extermination]] pg. 86 claims that this account is false.''
 
−
|[[Index Astartes]]: [[Alpha Legion]]
 
 
|-
 
|-
 
|rowspan=3|981.M30
 
|rowspan=3|981.M30
−
|The [[Black Legion|Luna Wolves]] exterminate the artificially-intelligent overseers of Dahinta.
+
|The [[Luna Wolves]] exterminate the artificially-intelligent overseers of Dahinta.{{Fn|18b}}<!-- "That was twenty years ago, wasn't it?" -->
−
|[[Horus Rising (Novel)|Horus Rising]] Part One Chapter Nine <!-- "That was twenty years ago, wasn't it?" -->
 
 
|-
 
|-
−
|[[Alpharius]] assumes command of the [[Alpha Legion]].
+
|[[Alpharius]] assumes command of the [[Alpha Legion]].{{Fn|14b}}
−
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
 
|-
 
|-
−
|The [[Iron Warriors]] 3rd, 14th, and 72nd Grand Battalions suffer 42% overall casualties during the [[Burning of the Pharun Drift]]. The 3rd suffers 80% casualties, but [[Perturabo]] deems it acceptable losses for the complete depopulation of the target worlds.
+
|[[Burning of the Pharun Drift]] - The [[Iron Warriors]] 3rd, 14th, and 72nd Grand Battalions suffer 42% overall casualties during the conflict. The 3rd suffers 80% casualties, but [[Perturabo]] deems it acceptable losses for the complete depopulation of the target worlds.{{Fn|17l}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
 
|-
 
|-
 
|984.M30
 
|984.M30
−
|[[Rogal Dorn]] objects to [[Konrad Curze]] and the [[Night Lords]]' brutal pacification of [[Cheraut]]. Curze nearly kills Dorn and is taken into custody, which he soon escapes, slaughtering the [[Imperial Fists]] and [[Emperor's Children]] guarding him. Curze then leads the Night Lords fleet to [[Exterminatus|destroy]] [[Nostramo]].
+
|[[Cheraut Incident]] - [[Rogal Dorn]] objects to [[Konrad Curze]] and the [[Night Lords]]' brutal pacification of [[Cheraut]]. Curze nearly kills Dorn and is taken into custody, which he soon escapes, slaughtering the [[Imperial Fists]] and [[Emperor's Children]] guarding him. Curze then leads the Night Lords fleet to [[Exterminatus|destroy]] [[Nostramo]].{{Fn|14b}}{{Fn|14d}}{{Fn|32d}}{{Fn|50}}
−
{{CanonConflict}} ''The Index Astartes article puts the Cheraut incident in 7232826.M29.''
+
{{Fn|Conflicting sources}} ''The Index Astartes article puts the Cheraut incident in 7.232.826.M29.''
−
|[[The Horus Heresy Book Two - Massacre]] pg. 19, 98; [[Index Astartes]]: [[Night Lords]]; [[The Dark King and The Lightning Tower (Audio Book)|The Dark King]]
 
 
|-
 
|-
 
|986.M30
 
|986.M30
−
|The [[Alpha Legion]] is assigned to exterminate the [[Ak'Haireth]] from [[Segmentum Solar]]
+
|The [[Alpha Legion]] is assigned to exterminate the [[Ak'Haireth]] from [[Segmentum Solar]]{{Fn|17i}}
−
|[[The Horus Heresy Book Three - Extermination]] pg. 102
 
 
|-
 
|-
 
|989.M30
 
|989.M30
−
|[[Alpha Legion]] [[Apothecary|apothecaries]] design a virus to exterminate the [[Ak'Haireth]] and infect the [[human]] populations of the worlds upon which they prey. The Ak'Haireth eventually starve to extinction.
+
|[[Alpha Legion]] [[Apothecary|apothecaries]] design a virus to exterminate the [[Ak'Haireth]] and infect the [[human]] populations of the worlds upon which they prey. The Ak'Haireth eventually starve to extinction.{{Fn|17m}}
−
|''Ibid.'' pgs. 102-103
 
−
|-
 
−
|<!-- Almost fifty years after Corax and in "The last years of the Great Crusade..." -->
 
−
|The [[Raven Guard]] exterminate the [[Khrave]] occupying [[Indra-sûl]].
 
−
|''Ibid.'' pg. 152
 
 
|-
 
|-
 
|ca. 992.M30
 
|ca. 992.M30
−
|The [[Black Legion|Luna Wolves]] find a complete and detailed map of ancient [[Terra]] in a bunker buried ten kilometres beneath a dead world.
+
|The [[Luna Wolves]] find a complete and detailed map of ancient [[Terra]] in a bunker buried ten kilometres beneath a dead world.{{Fn|18b}}{{Fn|44d}}<!-- "No more than ten years ago" -->
−
|[[Horus Rising (Novel)|Horus Rising]] Part One Chapter Nine<!-- "No more than ten years ago" -->; [[False Gods (Novel)|False Gods]] Chapter Thirteen
 
 
|-
 
|-
 
|994.M30
 
|994.M30
−
|The [[Raven Guard]] eliminates [[Isstvan III]]'s planetary governance overnight. Major [[Vardus Praal]] of the XIth Lastrian Rifles is appointed [[Imperial governor]].
+
|[[Compliance of Isstvan III]] - The [[Raven Guard]] eliminates [[Isstvan III]]'s planetary governance overnight. Major [[Vardus Praal]] of the XIth Lastrian Rifles is appointed [[Imperial governor]].{{Fn|14b}}{{Fn|31ca}}{{Fn|44a}}<!-- "Almost fifteen years" before Isstvan V -->{{Fn|51}}{{Fn|52}}
−
|[[Galaxy in Flames (Novel)|Galaxy in Flames]] Chapter Three; [[Flight of the Eisenstein (novel)|Flight of the Eisenstein]] Chapter Four; [[Deliverance Lost (Novel)|Deliverance Lost]] Chapter One<!-- "Almost fifteen years" before Isstvan V -->; [[The Horus Heresy Book One - Betrayal]] pgs. 38-39; [[The Horus Heresy Book Two - Massacre]] pg. 19
 
 
|-
 
|-
 
|997.M30
 
|997.M30
−
|The Tyrants of [[Kernunnos]] refuse to join the [[Imperium]]. [[Wolf Lord]] Bulveye of the Thirteenth Great Company of the [[Space Wolves]] swears that he will see them deposed.
+
|[[Battle of Kernunnos]] - The Tyrants of [[Kernunnos]] refuse to join the [[Imperium]]. [[Wolf Lord]] Bulveye of the Thirteenth Great Company of the [[Space Wolves]] swears that he will see them deposed.{{Fn|27}}<!-- "Seven years ago..."-->
−
|[[Tales of Heresy (Anthology)#Wolf at the Door|Tales of Heresy: Wolf at the Door]]<!-- "Seven years ago..."-->
 
 
|-
 
|-
 
|998.M30
 
|998.M30
−
|The [[Imperium|Imperial]] military fights the [[ork]]s of Charhack for the Pargor Hith system.
+
|The [[Imperium|Imperial]] military fights the [[ork]]s of Charhack for the Pargor Hith system.{{Fn|31e}}<!-- "almost a decade previously" to Isstvan III -->
−
|[[The Horus Heresy Book One - Betrayal]] pg. 40 <!-- "almost a decade previously" to Isstvan III -->
+
|-
 +
|rowspan=15|999.M30
 +
|[[Melchior Compliance]] - The [[Luna Wolves]] and [[Blood Angels]] exterminate the [[nephilim]] on [[Melchior]]. The Luna Wolves proceed to the Ullanor sector while the Blood Angels go to Perseus Null.{{Fn|53}}
 +
|-
 +
|[[Compliance of Issinium Fringe]] - Horus Lupercal and the 63th Fleet Expedirion leads an embassy to the goverment of Issinium, the [[High Concerns]], and gains their loyalties to the Imperium. {{Fn|54}}
 +
|-
 +
|[[Compliance of Kest's Sun]] - Captains [[Garviel Loken]] and [[Iacton Qruze]] of the [[Luna Wolves]] lead an expedition to [[Kest's Sun]] but discover a dead world with its civilitzacion long dead.{{Fn|10x}}
 +
|-
 +
|[[Compliance of Orlustre]] - Captains [[Serghar Targost]] and [[Luc Sedirae]] of the [[Luna Wolves]] lead an embassy to the Fiefworlds at [[Orlustre]] and gain their loyalties to the Imperium.{{Fn|10x}}
 +
|-
 +
|[[Compliance of Kiskayd]] - Captain [[Ezekyle Abaddon]] of the [[Luna Wolves]] leads an embassy to the [[Ordinators]] of [[Kiskayd]] and gains their loyalty to the Imperium.{{Fn|10x}}
 +
|-
 +
|[[Compliance of Phocis]] - Captain [[Ezekyle Abaddon]] of the [[Luna Wolves]] leads an embassy to [[Phocis]] and gains its loyalty to the Imperium.{{Fn|10x}}
 +
|-
 +
|[[Compliance of New Hearth]] - Captain [[Lev Goshen]] of the [[Luna Wolves]] leads an embassy to the [[Motherland]] of [[New Hearth]] and gains their loyalty to the Imperium{{Fn|10x}}
 +
|-
 +
|[[Compliance of Velich Tarn]] - Captain [[Hastur Sejanus]] of the [[Luna Wolves]] leads an embassy to the small outpost of [[Velich Tarn]] but he is refused with hostility. After knowing that the enemy are resisting against Sejanus, [[Horus]] travels to Velich Tarn and helps him to defeat the enemy, a 'biomech obscenities' created by [[Basilio Fo]] a famous mad scientist from [[Terra]]. Horus defeats the monstrosities and captures [[Basilio Fo]] who is sent imprisoned to [[Terra]].{{Fn|10x}}
 +
|-
 +
|[[Battle of the Mountain]] - The [[Thousand Sons]] bring Twenty-Eight Sixteen ([[Aghoru]]) to Compliance in a three-month endeavour.{{Fn|25a}}<!-- "Nearly two centuries" into the Great Crusade; Ullanor Campaign just beginning, six months overdue to join WB and SW in Ark Reach -->
 +
|-
 +
|[[Nurthene War]] - The [[Alpha Legion]] responds to the 670th Expeditionary Fleet's request for aid in the [[Nurth]] campaign. The planet is lost when the Nurthene activate a [[Black Cube]]. Half the Imperial Army forces and six [[Titan]]s are left behind in the emergency evacuation.{{Fn|55a}}{{Fn|55b}}<!-- Ullanor -8 months, heresy -2 years -->
 
|-
 
|-
−
|rowspan=5|999.M30
+
|Earliest estimated timeframe in which [[Imperial governor]] [[Vardus Praal]] of [[Isstvan III]] forsakes his oath to the [[Imperium]].{{Fn|31b}}<!-- up to 6 years before Isstvan III -->
−
|The [[Black Legion|Luna Wolves]] and [[Blood Angels]] exterminate the [[nephilim]] on [[Melchior]]. The Luna Wolves proceed to the Ullanor sector while the Blood Angels go to Perseus Null.
 
−
|[[Fear to Tread (Novel)|Fear to Tread]] Prologue
 
 
|-
 
|-
−
|The [[Ullanor Crusade]]. The [[Emperor of Mankind]] leads the [[Black Legion|Luna Wolves]], [[Ultramarines]], and millions of Imperial Army elements against the [[ork]] [[warboss]] [[Urlakk Urg]]'s empire in the Ullanor sector.
+
|[[Sak'trada Deeps Campaign]] - The [[Hrud]] cripple the 51st Expeditionary Fleet in an Imperial effort to purge them from the Sak'trada Deeps.{{Fn|23x}}
−
|[[A Thousand Sons (Novel)|A Thousand Sons]] Chapter One <!-- Beginning concurrent with TS time on Aghoru -->
 
 
|-
 
|-
−
|The [[Thousand Sons]] bring Twenty-Eight Sixteen ([[Aghoru]]) to Compliance in a three-month endeavour.
+
|The [[Pacification of the Ark Reach Cluster]]{{Fn|24a}}
−
|[[A Thousand Sons (Novel)|A Thousand Sons]] Book One <!-- "Nearly two centuries" into the Great Crusade; Ullanor Campaign just beginning, six months overdue to join WB and SW in Ark Reach -->
 
 
|-
 
|-
−
|The [[Alpha Legion]] responds to the 670th Expeditionary Fleet's request for aid in the [[Nurth]] campaign. The planet is lost when the Nurthene activate a [[Black Cube]]. Half the Imperial Army forces and six [[Titan]]s are left behind in the emergency evacuation.
+
|The [[Xantriss Insurrection]]{{Fn|24d}}
−
|[[Legion (Novel)|Legion]] Part One, Part Two Chapter One <!-- Ullanor -8 months, heresy -2 years -->
 
 
|-
 
|-
−
|Earliest estimated timeframe in which [[Imperial governor]] [[Vardus Praal]] of [[Isstvan III]] forsakes his oath to the [[Imperium]]. <!-- up to 6 years before Isstvan III -->
+
|[[World Prince Campaign]]{{Fn|34c}}
−
|[[The Horus Heresy Book One - Betrayal]] pg. 40
 
 
|}
 
|}
  
 
{{Timeline|prev=[[M29]]|next=[[M31]]}}
 
{{Timeline|prev=[[M29]]|next=[[M31]]}}
 +
 +
==Trivia==
 +
{{Trivia}}
 +
==={{Endn|Conflicting sources}}===
 +
See directly at the marked entries.
 +
 +
==Sources==
 +
{{CI}}
 +
<div style="column-width:24em;column-count:2;font-size:85%">
 +
*{{Endn|1}}: [[Codex: Dark Eldar (5th Edition)]], pg. 20
 +
*{{Endn|2}}: [[Codex: Space Marines (3rd Edition)]], pg. 47
 +
*{{Endn|3}}: [[Codex: Dark Angels (4th Edition)]], pg. 73
 +
*{{Endn|4}}: [[White Dwarf 259 (UK)|White Dwarf 258 (US)]], pg. 61
 +
*5: [[The Horus Heresy Book Four - Conquest]]
 +
**{{Endn|5a}}: pg. 66
 +
**{{Endn|5b}}: pg. 67
 +
**{{Endn|5c}}: pg. 68
 +
**{{Endn|5d}}: pg. 71
 +
**{{Endn|5e}}: pg. 72
 +
**{{Endn|5f}}: pg. 75
 +
*{{Endn|6}}: [https://web.archive.org/web/20220602163104/https://thehorusheresy.com/explore-the-galaxy Timeline of the 31st Millennium] (archived 2 June 2022)
 +
*{{Endn|7}}: [[Imperial Armour Volume Twelve - The Fall of Orpheus]], pg. 16<!-- Source claims "During the latter years of the Great Crusade" -->
 +
*8: [[The Horus Heresy Book Nine - Crusade]]
 +
**{{Endn|8a}}: pg. 83
 +
**{{Endn|8b}}: pg. 84
 +
**{{Endn|8c}}: pgs. 90-91
 +
*{{Endn|9}}: [[The Last Church (Short Story)]] — [[Tales of Heresy (Anthology)]] <!-- over half a century before TLC -->
 +
*10: ''Ibid.''{{CME}}
 +
**{{Endn|10a}}: pg. 67
 +
**{{Endn|10b}}: pg. 73
 +
**{{Endn|10x}}:{{CME}}
 +
*11: [[Descent of Angels (Novel)]]
 +
**{{Endn|11a}}: Prologue
 +
**{{Endn|11b}}: Book Two
 +
**{{Endn|11c}}: Book Three
 +
**{{Endn|11d}}: Book Four
 +
**{{Endn|11e}}: Chapter Eighteen
 +
*{{Endn|12}}: [[Codex: Eldar (4th Edition)]], pgs. 4-5
 +
*13: [[The First Heretic (Novel)]]
 +
**{{Endn|13a}}: Chapter One
 +
**{{Endn|13b}}: Chapter Two
 +
**{{Endn|13c}}: Chapter Four
 +
**{{Endn|13d}}: Chapter Seven
 +
**{{Endn|13e}}: Chapter Eight
 +
**{{Endn|13f}}: Chapter Nine
 +
**{{Endn|13g}}: Chapter Ten
 +
**{{Endn|13h}}: Chapter Seventeen
 +
**{{Endn|13i}}: Part Two
 +
*14: [[The Horus Heresy Book Two - Massacre]]
 +
**{{Endn|14a}}: pg. 14
 +
**{{Endn|14b}}: pg. 19
 +
**{{Endn|14c}}: pgs. 65-66
 +
**{{Endn|14d}}: pg. 98
 +
**{{Endn|14e}}: pg. 117
 +
*{{Endn|15}}: [[Warhammer 40,000: Dawn of War II - Retribution]]
 +
*{{Endn|16}}: [[Warhammer 40,000 6th Edition Rulebook]], pg. 168
 +
*17: [[The Horus Heresy Book Three - Extermination]]
 +
**{{Endn|17a}}: pg. 19
 +
**{{Endn|17b}}: pg. 60
 +
**{{Endn|17c}}: pgs. 74-75
 +
**{{Endn|17d}}: pg. 80
 +
**{{Endn|17e}}: pg. 81
 +
**{{Endn|17f}}: pg. 82
 +
**{{Endn|17g}}: pg. 86
 +
**{{Endn|17h}}: pg. 94
 +
**{{Endn|17i}}: pg. 102
 +
**{{Endn|17j}}: pgs. 109-110
 +
**{{Endn|17k}}: pg. 155
 +
**{{Endn|17l}}: pg. 251
 +
**{{Endn|17m}}: pgs. 102-103
 +
**{{Endn|17n}}: pg. 151-152
 +
*18: [[Horus Rising (Novel)]]
 +
**{{Endn|18a}}: Chapter One
 +
**{{Endn|18b}}: Part One — Chapter Nine
 +
**{{Endn|18c}}: Part Two — Chapter Three
 +
**{{Endn|18x}}: {{CME}}
 +
*19: [[Codex: Imperial Knights (6th Edition)]]
 +
**{{Endn|19a}}: ''The Knightly Houses''
 +
**{{Endn|19x}}: {{CME}}
 +
*20: [[Magnus the Red: Master of Prospero (Novel)]]
 +
**{{Endn|20a}}: Chapter 1
 +
**{{Endn|20a}}: Chapter 2
 +
**{{Endn|20x}}: {{CME}}
 +
*21: [[Alpharius: Head of the Hydra (Novel)]]
 +
**{{Endn|21a}}: Chapter 1
 +
**{{Endn|21x}}: {{CME}}
 +
*22: [[The Horus Heresy Book Eight - Malevolence]]
 +
**{{Endn|22a}}: pg. 12
 +
**{{Endn|22b}}: pg. 16
 +
**{{Endn|22c}}: pg. 114
 +
**{{Endn|22d}}: pgs. 119-121
 +
**{{Endn|22e}}: pg. 140
 +
**{{Endn|22f}}: pgs. 150–152
 +
**{{Endn|22g}}: pg. 154
 +
*23: [[Perturabo: The Hammer of Olympia (Novel)]]
 +
**{{Endn|23a}}: Chapter One
 +
**{{Endn|23b}}: Chapter Sixteen
 +
**{{Endn|23x}}:{{CME}}
 +
*24: [[The Horus Heresy Book Seven - Inferno]]
 +
**{{Endn|24a}}: pg. 10
 +
**{{Endn|24b}}: pg. 11
 +
**{{Endn|24c}}: pg. 92
 +
**{{Endn|24d}}: pg. 93
 +
**{{Endn|24e}}: pg. 133
 +
**{{Endn|24f}}: pg. 134
 +
*25: [[A Thousand Sons (Novel)]]
 +
**{{Endn|25a}}: Book One
 +
**{{Endn|25b}}: Chapter 1, pgs. 23-24
 +
**{{Endn|25c}}: Chapter Twenty-Two
 +
*{{Endn|26}}: [[Mark of Calth (Anthology)#Unmarked|Unmarked]] — [[Mark of Calth (Anthology)]]
 +
*{{Endn|27}}: [[Tales of Heresy (Anthology)#Wolf at the Door|Wolf at the Door]] — [[Mark of Calth (Anthology)]]
 +
*28: [[The Horus Heresy Book Five - Tempest]]
 +
**{{Endn|28a}}: pg. 16
 +
**{{Endn|28b}}: pg. 73
 +
**{{Endn|28c}}: pg. 96
 +
**{{Endn|28d}}: pg. 97
 +
**{{Endn|28e}}: pg. 122
 +
**{{Endn|28f}}: pg. 139
 +
*{{Endn|29}}: [[Index Astartes IV]]: ''Sons of Horus''
 +
*{{Endn|30}}: [[Wolfsbane (Novel)]] Chapter 9
 +
*31: [[The Horus Heresy Book One - Betrayal]]
 +
**{{Endn|31a}}: pgs. 38-39
 +
**{{Endn|31b}}: pg. 40
 +
**{{Endn|31c}}: pg. 103
 +
**{{Endn|31d}}: pg. 104
 +
*32: [[Index Astartes]]
 +
**{{Endn|32a}}: [[Emperor's Children]]
 +
**{{Endn|32b}}: [[White Scars]]
 +
**{{Endn|32c}}: [[Imperial Fists]]
 +
**{{Endn|32d}}: [[Night Lords]]
 +
**{{Endn|32e}}: [[Word Bearers]]
 +
**{{Endn|32f}}: [[Raven Guard]]
 +
**{{Endn|32g}}: [[Alpha Legion]]
 +
*{{Endn|33}}: [[The Lightning Tower (Short Story)]] — [[The Dark King and The Lightning Tower (Audio Book)]]
 +
*34: [[Praetorian of Dorn (Novel)]]
 +
**{{Endn|34a}}: ''Gift of the Father''
 +
**{{Endn|34b}}: ''Lord of Conquest''
 +
**{{Endn|34c}}: ''Brothers of War''
 +
*{{Endn|35}}: [[Fulgrim (Novel)]], Chapter Two
 +
*{{Endn|36}}: [[The Horus Heresy Book Six - Retribution]], pg. 60
 +
*{{Endn|37}}: [[White Dwarf September 2016]], The Ultimate Guide to... Imperial Knights - M30-31
 +
*{{Endn|38}}: [[Aurelian (Novella)]]
 +
**{{Endn|38a}}: Prologue
 +
**{{Endn|38b}}: Part Two
 +
*{{Endn|39}}: [[Brotherhood of the Storm (Novella)]], Part I
 +
*{{Endn|40}}: [[Jaghatai Khan: Warhawk of Chogoris (Novel)]], Chapter 1
 +
*{{Endn|41}}: [[The Devine Adoratrice (Short Story)]] — [[The Imperial Truth (Anthology)]]
 +
*{{Endn|42}}: [[Vengeful Spirit (Novel)]], Chapter 2
 +
*{{Endn|43}}: [[Leman Russ: The Great Wolf (Novel)]]{{CME}}
 +
*44: [[False Gods (Novel)]]
 +
**{{Endn|44a}}: Part One, Chapter One
 +
**{{Endn|44b}}: Part One, Chapter Three
 +
**{{Endn|44c}}: Part One, Chapter Seven
 +
**{{Endn|44d}}: Chapter Thirteen
 +
*45: [[Deliverance Lost (Novel)]]
 +
**{{Endn|45a}}: Chapter One
 +
**{{Endn|45b}}: Chapter Nine
 +
*{{Endn|46}}: [[Know No Fear (Novel)]]{{CME}}
 +
*{{Endn|47}}: [[Scions of the Storm (Short Story)]] — [[Tales of Heresy (Anthology)]]
 +
*{{Endn|48}}: [[Angels of Caliban (Novel)]], Prologue
 +
*{{Endn|49}}: [[Little Horus (Short Story)]] — [[Age of Darkness (Anthology)]]
 +
*{{Endn|50}}: [[The Dark King (Short Story)]] — [[The Dark King and The Lightning Tower (Audio Book)]]
 +
*{{Endn|51}}: [[Galaxy in Flames (Novel)]], Chapter Three
 +
*{{Endn|52}}: [[Flight of the Eisenstein (novel)]], Chapter Four
 +
*{{Endn|53}}: [[Fear to Tread (Novel)]], Prologue
 +
*{{Endn|54}}: [[Sons of the Emperor (Anthology)]], Misbegotten
 +
*55: [[Legion (Novel)]]
 +
**{{Endn|55a}}: Part One{{CME}}
 +
**{{Endn|55b}}: Part Two, Chapter One
 +
*{{Endn|56}}: [[Fulgrim: The Palatine Phoenix (Novel)]], Chapter One
 +
</div>
 +
 
[[Category:Timeline]]
 
[[Category:Timeline]]
 
[[de:M30]]
 
[[de:M30]]
 
[[fr:M30]]
 
[[fr:M30]]

Revision as of 21:47, 11 March 2026

See Also: Battles of the Great Crusade (List)

Undated

Year Event
ca. M30-M31 Eldar foreseeing the dark future for their race refit their starships into Craftworlds and leave the heart of their empire.[1]
An Eldar craftworld crashes on Typhon Primaris. The jungle eventually claims it and it will be lost for ten thousand years.[15]
ca. M30 Construction of the Astronomican - The Emperor of Mankind orders the construction of the Astronomican, powered with his own psychic might.[14a][16]
According to Alpharius' own account that may be a lie, he is the first Primarch to be recovered by the Emperor himself on Terra shortly after their scattering. However, he stays in the shadows.[21a]
Battle of Neptune (Liberation of the Sol System)[22c]
Unheard War (Liberation of the Sol System)[17c]
Sedna Campaign (Liberation of the Sol System) - Eight full Legions are deployed in a campaign to destroy the artificial world of Sedna in the Solar system and the xenos species controlling it. After the campaign, Sedna falls silent and the Imperium forgets about it.[22a]
The Primarchs are rediscovered and united with their Legions. Hundreds of thousands of human worlds are reclaimed under the Pax Imperialis.[16]
Luther finds a feral child in the forests of Caliban and names him Lion El'Jonson (The Lion, Son of the Forest).[11a]
Siege of Reillis[29]
Anomalous Legiones Astartes activity is first reported. The actions of unidentified Astartes is attributed to a "Ghost Legion."[17e]
Lion El'Jonson leads the knights of Caliban in a ten-year campaign to exterminate the great beasts that haunt the forests. The Knights of Lupus refuse to join the hunt and are destroyed. Soon after, the Emperor comes to recruit Lion El'Jonson to lead the First Legion. Zahariel El'Zurias narrowly averts an assassination attempt on the Emperor. The Lion dubs the First Legion the Dark Angels after figures of Caliban myth.[11a][11b][11c]
The two unknown legions are removed from Imperial records and the Primarchs swear oaths to never speak of them again.[13g]
Recruitment of Corvus Corax - The Emperor of Mankind comes to Kiavahr's moon Lycaeus as its slave labourers seize control. He recruits the uprising's leader, Corvus Corax, to lead the Raven Guard.[32f][45b]
A Luna Wolves fleet led by Horus responds to a distress call from a scout ship lured into a minefield. Horus discovers that the attackers have boarded the ship and comes face to face with the intruders' leader: the last Primarch Alpharius. Alpharius remains at Horus's side for several months before journeying to Terra and meeting the Emperor of Mankind.[17g][21x][32g]

[Conflicting sources] [17d] claims that this account is false.
Alpharius: Head of the Hydra (Novel) heavily contradicts this account as well

Compliance of Indra-sul - The Raven Guard exterminate the Khrave occupying Indra-sûl.[17n]

100-199.M30

Year Event
125.M30 The M35 source Grimoire Hereticus claims that the Luna Wolves are renamed the Sons of Horus at this time
(Horus Rising shows that Horus did not formally rename his legion until after fighting the Interex).[2][3][18x]

300-399.M30

Year Event
350.M30 Karis Cephalon rediscovered during the Great Crusade.[4]

500-599.M30

Year Event
540.M30 The Lucien Mechanicum founds an outpost on Mezoa.[5a]
550.M30 The Emperor creates the first Prototype Legionnaires[6]
ca. 570-750.M30 Rogue trader Lady Arica Orpheus explores the reaches of the Mandragoran Stars in the galactic southwest, cataloging countless aged stars and dead worlds. Records of her voyages mention pre-human ruins and monuments.[7]

600-699.M30

Year Event
603.M30 The Third Siege of Antioch during the Unification Wars sees small numbers of First Legion Astartes deployed[8a]
668.M30 The Siege of Samerkend in the Unification Wars sees 10,000 First Legion Astartes appear en mass publicly for the first time[8b]
669.M30 The Battle of Mount Ararat sees the Thunder Warriors culled. Last major battle of the Unification Wars[6]
ca. 675.M30 Massacre of Gaduare - Less than five thousand Thunder Warriors slaughter fifty thousand civilian militiamen in less than an hour on the hills of Gaduare in Franc.[9]

700-799.M30

Year Event
703.M30 The First Pacification of Luna[6]
712.M30 The Emperor declares the Unification Wars over[6]
739.M30 The Treaty of Olympus is signed between the Imperium and Mechanicum[6]
ca. 745.M30 The Emperor of Mankind has the last church on Terra, the Church of the Lightning Stone, destroyed after speaking with the last priest.[10x]
748.M30 The Invincible Reason begins her service in the Imperial fleet.[11e]
ca. 750.M30 Fall of the Eldar - The Eye of Terror erupts in the heart of the eldar empire as Slaanesh is born. She Who Thirsts tears billion of eldar souls from their bodies. Only the Exodite and craftworlds far from the empire and webway domains such as Commoragh survive. The eruption of psychic energy blows away the warp storms that had made interstellar travel impossible for thousands of years.[1][12][13h][14a]
ca. 790.M30 Incaladion's social order breaks down. The Preceptor-General is assassinated. As various factions of the Adeptus Mechanicus and xenos invaders battle over the forge world, the Legio Fureans is gradually whittled down.[17k]
792.M30 Primarch Project- The Emperor of Mankind combines advanced Martian genetic engineering with the warpcraft he learned from the Chaos Gods to create the primarchs and the gene-seed prototypes. The Chaos Gods steal the gestating primarchs from the Emperor's laboratory deep beneath Terra and scatter them across the galaxy.[6]
798.M30 Warp-dilated horologs state that the Great Crusade begins around this time.[16][18a][19x][20a]

[Conflicting sources]Codex: Space Marines (3rd Edition) cites that the Great Crusade began in M29.

The Great Crusade formally begins[6]
799.M30 On Olympia, Perturabo is brought before Dammekos, the Tyrant of Lochos.[23a]
Vhnori Resurgence - The Crimson Walkers emerge in the Panpacific Enclaves of Terra, using psychic powers to dominate minds and animate constructs made of dead flesh. The VIII Legion brutally crushes the Walkers in a campaign of terror.[22a]

800-899.M30

Year Event
800.M30 Molorian Revolt[24c]
801.M30 The first Primarch to be rediscovered, Horus, is found on Cthonia[6]
803.M30 Astartes of the XV Legion first begin to express psychic powers, followed shortly by the flesh-change.[25c]
Discovery of the Paramar system - The rogue trader Hel DeAniasie catalogues the trinary Paramar system.[17a]
804.M30 The Nephritil and Ayurnas wipe out the Mohindas 11th.[26]
806.M30 The Dark Eldar Kabal of the Shrieking Heart begins raiding Antimon around this time.[27]
Compliance of the Osiris Cluster - The eleven star systems comprising the Osiris Cluster are brought to Compliance.[28b]
807.M30 Battle of Rust - The Xth Legion destroys the Krooked-Klaw ork empire, centred on 02-34 ("Rust"), with tactics known as the "Hammer and Storm." The Urshan Velites coin the name "Storm Walkers" for the Legion.[14c]
ca. 810-835.M30 Wheel of Fire Campaign[30]
813.M30 Mezoa becomes a Forge World of the Adeptus Mechanicus.[5a]
819.M30 Leman Russ is rediscovered on Fenris[6]
821.M30 Primarch II is rediscovered[6][56]
823.M30 Incident of Bezant/Bezantine Oath - First case of the Flesh Change within the Thousand Sons Legion.[24b]
824.M30 Rogue trader Vaspperly Elgin makes contact with the pre-industrial remnant human inhabitants of Lethe.[6][10b]
Ferrus Manus is rediscovered on Medusa[6]
ca. 829.M30 Proximan Betrayal - An insurrectionist cell attacks the compliance ceremony on Proxima. The Legio Custodes and Astartes of the XVI Cohort of the III Legion defend the Emperor of Mankind, giving their lives so he can get to safety. In recognition of their sacrifice, the Emperor grants the III Legion the right to bear the Palatine Aquila in their heraldry and the right to invoke Exterminatus on Proxima.[31c]
ca. 830.M30 The III Legion's gene-seed reserves fail to arrive at the vaults on Luna and an artificial pathogen obliterates several gene-seed vaults on Terra, sealing the fate of the III Legion.[17d][31d][32a]
830.M30 Fulgrim is rediscovered on Chemos[6]
832.M30 Vulkan is rediscovered on Nocturne[6]
833.M30 Osiris Rebellion - The eleven star systems of the Osiris Cluster declare independence from the Imperium of Man. Gren Vosotho, Legion Commander of the XIII Legion, sends the 12th Expeditionary Fleet to end the rebellion. Failures of intelligence turn what was intended to be a swift decapitation strike into a battle of attrition against a previously-unknown xenos breed that drives the civilians to attack the Legiones Astartes in droves. The strike force withdraws, suffering serious losses, including Commander Vosotho and the Legion's flagship Sethaln's Thunder. Command falls to Marius Gage. The Osiris Cluster is blockaded.[28b]
834.M30 The 12th Expeditionary Fleet returns to the Osiris Cluster with specialized reinforcements. The fleet discovers the worlds either littered with unburied dead or locked in civil war. The Osirian Psybrid xenoforms are nowhere to be found, though investigation uncovers the history of their insidious, covert infiltration of the cluster.[10x]
835.M30 Recruitment of Rogal Dorn - The Emperor comes to Inwit and recruits Rogal Dorn to lead the Imperial Fists. Dorn is the seventh lost son found.[17b][32c][33][34a]
837.M30 Recruitment of Roboute Guilliman - The Emperor comes to Macragge to meet Roboute Guilliman. Recognizing him as his son, the Emperor brings Guilliman to lead the XIII Legion. The Legion adopts the trappings of Guilliman's culture and becomes the Ultramarines.[6]
840.M30 Pride of the Emperor's keel is laid down in the Jupiter shipyards.[35]
Recruitment of Magnus the Red - The Emperor of Mankind discovers Magnus the Red on Prospero and unites him with the XV Legion. Magnus names them his Thousand Sons.[20b]
841.M30 House Vornherr's Warrant of Ancient Domain and Arms is ratified.[28e]
842-843.M30 The IV Legion expend nearly all of their front-line forces during the liberation of Incaladion.[17i]
843.M30 Discovery of Xana - Rogue trader Casilida DeAniasie makes contact with the Sovereign Forge Domain of Xana, leading to diplomatic negotiations between Xana, the Imperium of Man, and the Adeptus Mechanicus.[36]
Recruitment of Sanguinius - The Emperor comes to Baal to recruit Sanguinius. The IX Legion are ordered to muster at the Teghar system to meet their Primarch, a process that takes two years and four months.[22d]
844.M30 Battle of Thapsus[22e]
845.M30 Teghar Campaign - The IX Legion brings the Teghar system to Compliance. Sanguinius renames his legion the Blood Angels.[22d]
846.M30 Lion El'Jonson is rediscovered on Caliban[6]
848.M30 The 4th Expeditionary Fleet discovers Sarosh. Harlad Furst is appointed Imperial governor, but the planet's impenetrable bureaucracy prevents any action toward Compliance for over a year. The Saroshi try to destroy Invincible Reason with an atomic bomb, but are defeated.[11d][22a]
849.M30 Recruitment of Perturabo - The Emperor comes to Olympia and recruits Perturabo to lead the IV Legion. He finds his forces lacking and decimates them, ordering nine of every ten Legionaries to kill the remaining with their bare hands. He takes the rest on a campaign to subjugate the Meratara Cluster; at the end of the campaign, the IV Legion becomes the Iron Warriors.[17j][20b][23b]
ca. 850.M30 Discovery of Chrysis - The Knight World Chrysis is rediscovered. House Krast of this planet joined to Imperium[19a][37]
853.M30 The Thousand Sons and Iron Warriors respond to evacuate the population of Morningstar while the planet suffers catastrophic geomagnetic upheavals. No native of the planet survives its destruction.[20x]
854.M30 Mortarion is rediscovered on Barbarus[6]
856.M30 Lorgar's six-year civil war/crusade ends with the unification of Colchis under his rulership.[13g]
857.M30 Recruitment of Lorgar - The Emperor of Mankind comes to Colchis and recruits Lorgar to lead the Imperial Heralds. Lorgar renames his legion the Word Bearers.[10x][28a][32e][38a]
858.M30 Purging of Arachiana - Lorgar leads the Word Bearers to destroy the Cult of the Iconoclast on the planet Arachnia. The sect worships "The One True God," who is described in ways similar to the Emperor. Lorgar incorporates elements of the Cult's dogma into early versions of the Book of Lorgar.[22a]
ca. 860.M30 Recruitment of Jaghatai Khan - The Emperor comes to Chogoris and recruits Jaghatai Khan to lead the White Scars. The Khan is the fifteenth Primarch rediscovered.[32b][39][40]
860.M30 The Ultramarines respond to a sighting of the Osirian Psybrid xenos only to find a dying agri-world.[28c]
Compliance of Skagan-VI[24e]
865.M30 Orks invade Rennimar shortly after the Imperial Fists bring the world to Compliance.[34b]
Jaghatai Khan is rediscovered on Chogoris[6]
866.M30 Compliance of Riobhia - The XIX Legion is tasked with forcing Compliance on Riobhia and destroying the Grael Library, a repository of proscribed knowledge. While en route, the Legion receives communication from a Thousand Sons fleet that had already intervened and dealt with the situation.[22a]
869.M30 Compliance of Molech - In the presence of the Emperor, Horus, Fulgrim, Lion El'Jonson, and Jaghatai Khan, the Knight World Molech is brought to Compliance. Cyprian Devine of House Devine is named Planetary Governor. The Emperor garrisons Molech with almost a hundred Imperial Army regiments, three Adeptus Titanicus cohorts, and detachments from two legions to protect a secret that he suppresses in the memories of his sons.[41][42]
870.M30 Dulan Campaign - The Dark Angels and Space Wolves come to blows during the void battle over Dulan, beginning a tradition of honour duels between the two Legions and later Chapters.[43]
876.M30 Compliance of Zavarich - The 611th Expeditionary Fleet bloodlessly brings Zavarich to Compliance.[5c]
881.M30 Emancipation of Drune[22f]
The Majind Torc Transgression takes place.[22b] (Also see Second Rangdan Xenocide)
882.M30 A battered Rangdan fleet is encountered and destroyed, marking the end of the Second Rangdan War. [8c]
ca. 890.M30 Third Rangdan Xenocide. Some fifty thousand Space Marines fall in action, striking a severe blow to the manpower of the Dark Angels. The Alpha Legion unexpectedly appears as a reinforcing element.[17f][28c]
Tentative date for Vulkan joining the Salamanders in the Antaem Ork Campaign. Other legions were occupied as reserves against the Rangda incursion from the Halo Stars or along the Eastern Fringe. As this was the final Rangdan Xenocide, no date later than this is possible.[14e]
891.M30 Crisis of the Hungering Gyre.[17a]
Discovery of Grail - Rogue trader Corthona Van Der Veld discovers the dead world that she names Grail.[5d]
Late 890s.M30 Numinal is colonized to secure the Coronid Reach's transport and navigation channels.[5f]
896.M30 Konrad Curze is rediscovered on Nostramo[6]
897.M30 Moab becomes an Imperial world upon installation of an Imperial governor.[10a]
899.M30 Angron is rediscovered on Nuceria[6]
The War Hounds encounter the Osirian Psybrids while battling the Orks of the Glortian Empire near Eurydice Terminal. Roboute Guilliman receives astrotelepathic information and moves to reinforce the War Hounds and wipe out the Psybrids.[28d]

900-999.M30

Year Event
ca. 900.M30 The Thousand Sons Legion, the Flesh-Change apparently resolved, rejoin the Crusade some time after this point; by the second century of the Crusade (ca. 000.M31) they will have been at war for "less than a hundred years" of it.[25b]
902.M30 The Iron Warriors 3rd and 118th Grand Battalions suffer 65% casualties in the subjugation of Kaldorax Aleph.[17l]
903.M30 The Word Bearers bring Forty-Seven Ten (Khur) to Compliance. They eventually turn the planetary capital Monarchia into a temple city dedicated to worship of the Emperor.[13a]
921.M30 Battle of Keylek - The Luna Wolves exterminate the keylekid xenos.[18b]
922.M30 Corvus Corax is rediscovered on Deliverance[6]
926.M30 Vlorlath Srader is established within the Manachean Commonwealth after the region's Compliance.[5e]
ca. 927.M30 Cryptosi Purgation.[17h]
Mark II Legiones Astartes power armour is considered largely obsolete by this time.[10x]
Primarch XI is rediscovered[6][56]
933.M30 The Iron Warriors 33rd Grand Battalion suffers 78% casualties during the Third Temporaferrox Extermination. Perturabo considers the losses acceptable in light of the complete annihilation of the xenos.[17l]
942.M30 Gethsamaine is colonized.[5b]
945.M30 Compliance of Davin - The 63rd Expeditionary Fleet brings 63-8 (Davin) to Compliance. Kor Phaeron of the Word Bearers remains behind to enlighten the Davinites. Eugen Temba is installed as Imperial governor. His ship Glory of Terra crashes on Davin's moon shortly after.[18c][44a][44b][44c]
Early 960s.M30 Defence of Helioret[24f]
962.M30 Pacification of the Saryine Compact - The Iron Warriors 282nd Grand Battalion suffers 32% casualties during the conflict while reducing the rebels' combat strength to 30%. Perturabo censures the 282nd's command for "lack of zeal."[17l]
964.M30 On the order of the Emperor of Mankind, the Ultramarines destroy Monarchia with seven days' notice. Lorgar and the Word Bearers arrive two months later and the Emperor forces them to kneel before him and Roboute Guilliman in the ashes of the Perfect City and its slain inhabitants. Only seven survivors are found, including Cyrene Valantion.[13b][13c][13f][14b][46]
Battle of 47-16 - The Word Bearers bring Forty-Seven Sixteen to Compliance by slaughtering every living inhabitant, approximately two hundred million, in one day.[13d][13e][47]
965.M30 The Space Wolves participate in a classified action.[14b]
966.M30 Discovery of Cadia - Cadia is entered into the Carta Imperialis.[10x]
967.M30 Lorgar takes his pilgrimage to the Eye of Terror and comes out a prophet of the Chaos gods.[13i][38b]
969.M30 The Space Wolves participate in a classified action.[14b]
970.M30 Zaramund Campaign - Horus, Calas Typhon, and Luther lead the Luna Wolves, Death Guard, and Dark Angels to suppress a rebellion on Zaramund. In the victory celebration, Lion El'Jonson arrives to rebuke Luther for disobeying his order to remain on Caliban.[48]
972.M30 Farinatus Extermination - The Night Lords and Raven Guard participate in the Farinatus Extermination.[14b]
late 970s.M30 The Night Lords engage in a protracted persecution of the Gethora Warp-Witches across the Vaomir Reaches.[28f]
976.M30 Dwell is brought to Compliance.[49]
ca. 980.M30 War of the Pale Emperor[22g]
981.M30 The Luna Wolves exterminate the artificially-intelligent overseers of Dahinta.[18b]
Alpharius assumes command of the Alpha Legion.[14b]
Burning of the Pharun Drift - The Iron Warriors 3rd, 14th, and 72nd Grand Battalions suffer 42% overall casualties during the conflict. The 3rd suffers 80% casualties, but Perturabo deems it acceptable losses for the complete depopulation of the target worlds.[17l]
984.M30 Cheraut Incident - Rogal Dorn objects to Konrad Curze and the Night Lords' brutal pacification of Cheraut. Curze nearly kills Dorn and is taken into custody, which he soon escapes, slaughtering the Imperial Fists and Emperor's Children guarding him. Curze then leads the Night Lords fleet to destroy Nostramo.[14b][14d][32d][50]

[Conflicting sources] The Index Astartes article puts the Cheraut incident in 7.232.826.M29.

986.M30 The Alpha Legion is assigned to exterminate the Ak'Haireth from Segmentum Solar[17i]
989.M30 Alpha Legion apothecaries design a virus to exterminate the Ak'Haireth and infect the human populations of the worlds upon which they prey. The Ak'Haireth eventually starve to extinction.[17m]
ca. 992.M30 The Luna Wolves find a complete and detailed map of ancient Terra in a bunker buried ten kilometres beneath a dead world.[18b][44d]
994.M30 Compliance of Isstvan III - The Raven Guard eliminates Isstvan III's planetary governance overnight. Major Vardus Praal of the XIth Lastrian Rifles is appointed Imperial governor.[14b][31ca][44a][51][52]
997.M30 Battle of Kernunnos - The Tyrants of Kernunnos refuse to join the Imperium. Wolf Lord Bulveye of the Thirteenth Great Company of the Space Wolves swears that he will see them deposed.[27]
998.M30 The Imperial military fights the orks of Charhack for the Pargor Hith system.[31e]
999.M30 Melchior Compliance - The Luna Wolves and Blood Angels exterminate the nephilim on Melchior. The Luna Wolves proceed to the Ullanor sector while the Blood Angels go to Perseus Null.[53]
Compliance of Issinium Fringe - Horus Lupercal and the 63th Fleet Expedirion leads an embassy to the goverment of Issinium, the High Concerns, and gains their loyalties to the Imperium. [54]
Compliance of Kest's Sun - Captains Garviel Loken and Iacton Qruze of the Luna Wolves lead an expedition to Kest's Sun but discover a dead world with its civilitzacion long dead.[10x]
Compliance of Orlustre - Captains Serghar Targost and Luc Sedirae of the Luna Wolves lead an embassy to the Fiefworlds at Orlustre and gain their loyalties to the Imperium.[10x]
Compliance of Kiskayd - Captain Ezekyle Abaddon of the Luna Wolves leads an embassy to the Ordinators of Kiskayd and gains their loyalty to the Imperium.[10x]
Compliance of Phocis - Captain Ezekyle Abaddon of the Luna Wolves leads an embassy to Phocis and gains its loyalty to the Imperium.[10x]
Compliance of New Hearth - Captain Lev Goshen of the Luna Wolves leads an embassy to the Motherland of New Hearth and gains their loyalty to the Imperium[10x]
Compliance of Velich Tarn - Captain Hastur Sejanus of the Luna Wolves leads an embassy to the small outpost of Velich Tarn but he is refused with hostility. After knowing that the enemy are resisting against Sejanus, Horus travels to Velich Tarn and helps him to defeat the enemy, a 'biomech obscenities' created by Basilio Fo a famous mad scientist from Terra. Horus defeats the monstrosities and captures Basilio Fo who is sent imprisoned to Terra.[10x]
Battle of the Mountain - The Thousand Sons bring Twenty-Eight Sixteen (Aghoru) to Compliance in a three-month endeavour.[25a]
Nurthene War - The Alpha Legion responds to the 670th Expeditionary Fleet's request for aid in the Nurth campaign. The planet is lost when the Nurthene activate a Black Cube. Half the Imperial Army forces and six Titans are left behind in the emergency evacuation.[55a][55b]
Earliest estimated timeframe in which Imperial governor Vardus Praal of Isstvan III forsakes his oath to the Imperium.[31b]
Sak'trada Deeps Campaign - The Hrud cripple the 51st Expeditionary Fleet in an Imperial effort to purge them from the Sak'trada Deeps.[23x]
The Pacification of the Ark Reach Cluster[24a]
The Xantriss Insurrection[24d]
World Prince Campaign[34c]


M29 Timeline M31

Trivia

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