M41

This is an article with incomplete citation. Information in the article needs to be linked to an accepted source. You can help Lexicanum by fixing it.

[[Category:Lexicanum pages needing citation]]

Year	Event	Source
000.M41	The Macharian Crusade ends. Death of Lord Solar Macharius. Beginning of the Macharian Heresy.	Warhammer 40,000 5th Edition Rulebook
019.M41	Far eastern rim of the Galaxy assaulted by an Ork Waaagh.
019.M41	Two High Lords of Terra assassinated.
019.M41	Saint Drache martyred on Korynth.
019.M41	Billions die due to famine on Beznos.
019.M41	Infamous Heretic Pontius Glaw first touched by the Warp.	Malleus by Dan Abnett
c.070.M41	The Macharian Heresy ends, the rebellions put down by elements of 100 Space Marine Chapters.	Warhammer 40,000 5th Edition Rulebook
085.M41	By request of Inquisitor Scallen, Sisters of Battle of the Order of the Valorous Heart purge Hive Tumulus (on planet Farglum) of the Cult Epicurian.	Chapter Approved 2001
139.M41	Abaddon the Despoiler's forces complete construction of the Planet Killer in the Eye of Terror.
139-160.M41	Abaddon uses the Planet Killer to lead the 12th Black Crusade that ravages the Gothic Sector. The Gothic War.
143.M41	The Jorun Retaliation. The Howling Griffons, Ultramarines and Sons of Orar Chapters defeat the Cabal of the Crimson Libation and their ex-Imperial Guard slaves. Chaplain Armand Titus of Howling Griffons is interred within a Dreadnought sarcophagus after succumbing to the Xenos poisons.	Imperial Armour Volume Nine - The Badab War - Part One, pp.126-127
154.M41	The Planet Killer is finally destroyed. No traces of the remains are found by Inquisitor Horst's investigation 2 years later.
213.M41	Castaburg invaded by Orks under Warlord Skarmork. Death Korps of Krieg counterattack.
220.M41	Explorator Fleet Hydrax-Lamda-15 discovers an Ork Terror Ship adrift in space. The ship is devoid of life, but contains the corpses of hundreds of Orks. A standard bearing the words 'Carcharodon Astra' is found atop a mound of bodies several metres high.	Imperial Armour Volume Ten - The Badab War - Part Two, pp.118-119
241.M41	Thracian Primaris overtakes Gudrun as the preeminent world of the Helican subsector, and the Subsector capital is moved from Gudrun to Thracian Primaris	Xenos by Dan Abnett
273.M41	Hydra Flak Tank found.	Imperial Armour Volume One - Imperial Guard and Imperial Navy
322.M41	The Golden Halos Space Marine Chapter encounters the infamous "ghost ship" Celestion while aboard the Battlecruiser Garandus. The result was a severe glancing collision upon the lower port bow, ripping apart several of the chapters dropships. A surprise warp vortex halted all recovery operations. Casualties were listed as 2362, 17% from the Golden Halos Chapter.	Inferno Issue 11
342.M41	Inquisitor Eisenhorn declares Inquisitor Quixos a heretic and Extremis Diabolus. Eisenhorn leads a cell that hunts down and kills Quixos 3 years later. (Quixos approx. 300 years old at this point).	Malleus by Dan Abnett
359.M41	Copul IV cleansed by Ultramarines.
367.M41	Ork world of Balur scoured by Space Marine and Imperial Guard campaign led by Calgar.
371.M41	Sergeant Severus of the Ultramarines wounded on Corinth, interred in Dreadnought. Returns for 7 year Corinthian Crusade in 698.M41.
373.M41	Inquisitors murdered. Jaq Draco raids the Black Library of Chaos. Planet Sabulorb incinerated. Jaq Draco killed in the Eldar Webway.	Harlequin (Novel), Chaos Child (Novel)
444.M41	First War for Armageddon. Chaos incursion led by Angron and World Eaters beaten back by Space Wolves and Grey Knights.	Codex: Chaos Space Marines (3rd Edition, 2nd Codex), p.8
450-465.M41	Hesten manuscript, documenting principles of the God Incarnate (Thorian doctrine), compiled by Inquisitor Hesten.
474.M41	Armageddon riots. Warp storms cut off Armageddon. Food shortages lead to armed rebellion in a dozen hives.
452.M41	Adepta Sororitas (Order of the Bleeding Heart) entrusted with the bones of St. Emiline must evacuate Emilines Hope (Shrine World) when Yerena System invaded by an Ork Waaagh under the command of Arch Maniac of Calvera.
454.M41	Lammas Campaign underway, Valstadt 13th Armoured Regiment fighting.
659.M41	Logan Grimnar becomes new Great Wolf of the Space Wolves.	Grey Hunter by William King
666.M41	The Battle for Grand Al'gul. The Yuctan Incident - The entire population of Yuctan, including a Naval depot housing squadron Farsight vanishes following an encounter with Necron raiders. A single Cobra destroyer survives to tell the tale.	Imperial Armour Volume Nine - The Badab War - Part One, pp.92-93. |The Harvester and the Hive
679.M41	Trade War between Ferrozoica Hive and Vervunhive on the planet Verghast.	Necropolis by Dan Abnett
692.M41	The Angelis Boat, a buried ship of unknown metal, suddenly awakens without warning and flies away. The Angelis Boat is suspected of being a Necron Dirge class raider.	Battlefleet Gothic: Necron Fleets
696.M41	A Tau probe was discovered in the Koath system. The translated message was a greeting and an invitation to "share the culture, technology, and protection of the Tau Empire."	Codex: Tau (3rd Edition)
698-705.M41	The Corinth Crusade. Chapter Master Marneus Calgar of the Ultramarines leads the crusade, which consists of Ultramarines, Angels of Absolution, Lamenters, Silver Skulls, Scythes of the Emperor, Marines Errant and over fifty Imperial Guard regiments. Waaagh! Skargor is crushed and the threat from the Orks of Charadon is diminished for over thirty years.	Imperial Armour Volume Nine - The Badab War - Part One, pp.76-77
701.M41	Liberation of Slaughterhouse III, Corinth Crusade.	Imperial Armour Volume Nine - The Badab War - Part One, pp.109, 111
704.M41	Siege of Tulwa. Calgar leads infiltration force that destroyed the Fortress of Pain (Iron Warriors).
737.M41	Valos reported stripped of life. (Hive Fleet Behemoth).
738.M41	Latest Founding (26th).	Warhammer 40,000 Compendium, p.6
740.M41	The Exorcists Chapter save the planet of Stonekraal from a large Genestealer infestation.	Imperial Armour Volume Ten - The Badab War - Part Two, pp.126-127
740-743.M41	The Balance Wars take place.	The Sabbat Worlds Crusade
742.M41	Damocles Crusade is launched against the Tau Empire. It is eventually runs into a stalemate. A truce is agreed upon, and Imperial forces retreat to be redeployed against approaching Hive Fleet Behemoth. Due to a lack of transports, several regiments of the Imperial Guard are left behind. First Imperial contact with Kroot, as Tau allies.	Codex: Space Marines (4th Edition), page 20; Codex: Tau (3rd Edition), page 58
744.M41	Taggarath, Seer of Corrinto, foresees the approach of the End Times, and prophesies a time of unprecedented upheaval, in which even the light of the Emperor is swallowed in darkness. Taggarath is immediately executed for heresy.	Warhammer 40,000 5th Edition Rulebook p. 126
745.M41	First Tyrannic War. Hive Fleet Behemoth attacks the Ultramarines' homeworld Macragge. Defeated at great cost - entire first company wiped out and the 3rd and 7th companies suffer horrific casualties.	Codex: Tyranids (5th Edition), p.10-11
752-754.M41	The Khulan Wars take place.	The Sabbat Worlds Crusade
754-756.M41	The Salamanders Chapter purge the Moons of Ymgarl of Genestealers. Captain Sokhar Bray'arth of the 4th Company is interred in the Iron Dragon Dreadnought chassis after suffering mortal wounds.	Imperial Armour Volume Ten - The Badab War - Part Two, pp.78, 172
755.M41	The Sabbat Worlds Crusade begins.	The Sabbat Worlds Crusade
757.M41	First recorded incidence of the Zombie Plague. Hyrda Minoris quarantined.	Warhammer 40,000 5th Edition Rulebook
759.M41	Scouring of Quintarn. Calgar commands forces against Ork scavengers who captured triple system of Quintarn, Tarentus and Masali (part of Ultramarines Empire) in the aftermath of Hivefleet Behemoth.
760.M41	The Siege of Casaubon is broken by the Minotaurs Chapter.	Imperial Armour Volume Ten - The Badab War - Part Two, p.109
762.M41	The Catachn MXIV 'Unseen Lurkers', led by Colonel 'Steel Eye' Black engage Orks of the Death Skulls on the planet of Kato, a shadow world. The stalemate is only broken once sentinels locate and destroy the Ork Stompa factory hidden in Widow Valley.	Codex: Imperial Guard (5th Edition) Page 22
765.M41	Space Marine Chapter Losses to date: 13 Lost in warp, 21 Irrecoverable battle losses, 9 Gene seed failure, 4 Inquisitorial purge, 16 Other circumstances. Warmaster Slaydo killed on the planet Balhaut.	Codex: Space Marines (3rd Edition), The Sabbat Worlds Crusade
766.M41	Several Imperial listening posts in the Catachan and Ryza systems are attacked by Eldar pirates under the command of Prince Yriel.	Warhammer 40,000 5th Edition Rulebook p. 126
769.M41	Defence of Vervunhive, planet Verghast.	Necropolis by Dan Abnett
773.M41	Brazen Skulls are listed as extinct.
774.M41	Gereon Mission, Sabbat Worlds Crusade	Traitor General by Dan Abnett
775-777.M41	Sulsalid Campaign, Fourth Quadrant rebellion.	Imperial Armour Volume Nine - The Badab War - Part One pp.100-101
777.M41	Chaos Space Marines led by the Black Legion break out of the Cadian Gate, only to be slowed by the Cadians and are eventually driven back with the help of the Imperial Fists.	Codex: Imperial Guard (5th Edition) Page 22
778.M41	The hive world of Lyubov has been conquered by the forces of chaos including warriors of the Blood Pact during the later days of the Sabbat Worlds Crusade. General Andreas Carnhide, a veteran Imperial Guard commander has to draw together feuding factions of Guard, Navy and Adeptus Mechanicus to retake the planet.	Tactica Imperialis
780.M41	Lycanthos Drift Campaign, Fourth Quadrant rebellion.	Imperial Armour Volume Nine - The Badab War - Part One pp.57, 59
783.M41	Battle of Maedrax. Eldrad Ulthran of Ulthwé foresees an Imperial explorer force would awaken the Necron tomb world. The Eldar destroyed the explorer fleet and then destroyed the Necron complex. When leaving Maedrax, they had to fight their way through a relief force of Blood Angels Space Marines	White Dwarf 342us "Timeline" p.33
790.M41	The Vostroyan IX under Graf Toshenko are wiped out defending the factory city of Polia on the planet of Nimbosa from the Tau Commander Brightsword, inspiring the populace to resist the Tau's culture of 'the Greater Good'.	Codex: Imperial Guard (5th Edition) Page 22
795.M41	An uprising in the Krandor system is put down by the Cadian 23rd.	Warhammer 40,000 5th Edition Rulebook p. 126
796.M41	Adinbur Prime: Patrol group Tiryns assaulted by Necron escorts, but escape.	Battlefleet Gothic: Necron Fleets
797.M41	The Siege of Zalathras. Marneus Calgar holds the gate alone against an invasion of Orks for a night and a day.	Warhammer 40,000 5th Edition Rulebook
799.M41	The San Leor Massacre. San Leor is attacked by the Red Corsairs. Nine Orders Militant of the Adepta Sororitas launch a counter-attack to defend the Sisterhood's original homeworld, and annihilate the attackers.	Codex: Sisters of Battle (5th Edition)
801.M41	Lugganath Eldar craftworld first detected by the Imperium.	Codex: Eldar (3rd Edition)
801.M41	The Astronomican flickers resulting in thousands of ships being lost in the Warp.	White Dwarf 342us "Timeline" p.33
801.M41	Hive Fleet Naga enters the galaxy from the Eastern Fringe.	Codex: Tyranids (5th Edition), p.16-17
807.M41	Purgation of Jhanna. Calgar leads two Ultramarine companies in the recapture of rebellious oceanic cities of Omon and Vorlencia, against renegades and Chaos Space Marines.	Codex: Space Marines (3rd Edition)
811.M41	Dark Eldar raiders mount occasional but highly damaging raids on the main habitation area of Naxos, Colony One, until a force of space marines from the Iron Snakes chapter, under the command of Captain Trokus, turns up to resolve the situation.	Tactica Imperialis
812.M41	Hive Fleet Naga is eventually eliminated by fleets from the Malan'tai, Iyanden, and Idharae Craftworlds.	Codex: Tyranids (5th Edition), p.16-17
812.M41	The Craftworld Malan'tai falls to a single Tyranid creature, from a surviving Bio-ship of Hive Fleet Naga, which came to be known as The Doom of Malan'tai.	Codex: Tyranids (5th Edition), p.17, 58
812-813.M41	The Luxor Uprising. The Novamarines crush an Alpha Legion-sponsered insurrection on Luxor.	Imperial Armour Volume Nine - The Badab War - Part One, p.119
815.M41	Space Wolves Great Wolf Sven Ironhand revokes his oath and leads his Great Company into exile in the Eastern Fringes.
822.M41	Abbaddon raids the Maiden World Ildanira. He is driven off by forces form Alaitoc Craftworld.	Warhammer 40,000 5th Edition Rulebook
414830.M41	The Siege of Vraks came to an official end. 34 Krieg regiments had fought for almost eighteen years and lost almost fourteen million men. Vraks original population of 8 million souls had been wiped out, the numbers of enemy losses incalculable. In the end, Vraks was utterly destroyed in the fighting and has been cordoned off by the Inquisition	Imperial Armour Volume Seven - The Siege of Vraks - Part Three
833.M41	The Vinculus Crusade is fought by Black Templars and Sister of Battle of the Order of the Bloody Rose under the command of Marshal Ludoldus and Canoness Jasmine against an assassin-cult on Peleregon IV. The Daemon-possessed Inquisitor Vinculus is slain.	Codex: Black Templars (4th Edition), page 19
835.M41	The War for Piety. Piety emerges from a Warp storm overrun by Daemons. Canoness Sariah leads a mission of her Order of the Sacred Rose to recover valuable artifacts from the Reliquary of Hope, one of the few untainted areas. All but the Canoness and two Celestians survive entering the Reliquary, but recovered Saint Dolan's right thighbone and three pages of the Lexicon of Falsehoods. They leave just before a fleet of Grey Knights arrives and performs an Exterminatus on the planet by cyclonic torpedoes.	Codex:Sisters of Battle (5th Edition)
837.M41	Space Wolves and Flesh Tearers fight brother against brother in a dark moment for both Chapters at the battle of Honour's End	Codex: Space Wolves (5th Edition) Page 19
845.M41	Dark Eldar pirates capture Warmaster Ingenus, commander of the Dimmamak War, escalating the situation. In response, all high ranking Imperial Guard officers are assigned bodyguards and another forty thousand regiments are raised.	Codex: Imperial Guard (5th Edition) Page 22
849.M41	All contact is lost with Birmingham, the Black Planet. Subsequent investigations confirm Dark Eldar massacre.	Warhammer 40,000 5th Edition Rulebook
850-901.M41	Third Inter-Guild War. The Guild Fathers, Inca Sector of the Ultima Segmentum, fought a war against Eldar pirates, sponsored by business rivals. The Sons of Antaeus and Subjugators Space Marine chapters answered the call of the Guild Fathers.	Chapter Approved 2004 The Cursed Founding by Andy Hoare, Graham McNeill, and Phil Kelly
850.M41	Inquisitor Solomon Lok leads an expedition to the Anphelion system.	Warhammer 40,000 5th Edition Rulebook
853.M41	Battle of the Steel Cross. Captain Cortez of the Crimson Fists slays Ork Warlord and his bodyguard.
857.M41	Saim-Hann Eldar launch a surprise assault on the Mortant VII 'Headhunters' during the Sacking of Colonia. A single squad of Catachan Devils, led by Gunnery Sergeant Harker drives back the xenos after emerging from cover and killing the Eldar's Autarch.	Codex: Imperial Guard (5th Edition) Page 22
858.M41	The Defence of Dimmamar. The birth world of Sebastian Thor is suddenly attacked by Farseer Kauerith leading elements of the Eldar Craftworld Ulthwé. Though no reason for the attack is evident, the Farseer was killed in the course of the battle by Seraphim Superior Amelda of the Order of the Bloody Rose and her squad.	Codex: Sisters of Battle (5th Edition)
861.M41	Battle of Arconar. Calgar defeats coalition of Eldar Raiders on the feral world of Arconar, scattering their forces and capturing their bases both on and off world.	Codex: Space Marines (3rd Edition)
863.M41	Saint Cyllia Massacre: The Adamant Fury Titan Legion fall to Chaos and massacre the Saint Cyllia PDF before escaping.1 Leading the Cadian 423rd, Knight Commander Pask engages rearguard elements of the traitor Titan Legio.2	1Warhammer 40,000 5th Edition Rulebook Page 127 2Codex: Imperial Guard (5th Edition) Page 22
867.M41	Captain Cortez of the Crimson Fists breaks through Eldar lines despite suffering 17 wounds including stab through one of his hearts and two heavy weapons hits.
870.M41	Mogul Kamir and regiments of Attila deploy in force on the planet of Loxar IV to fight a 3 year campaign against the Necrons. Victory is finally taken after the ill-fated charge of the Lumen Vally, the largest calvary charge to take place in records of the Imperium.	Codex: Imperial Guard (5th Edition) Page 22
879.M41	Battle of Knarts Landing. Calgar defeats rebel army led by General Dornal in 30 day battle on industrial world of Knart's Landing, taking less than 17% casualties.
883.M41	The largest armoured assault since the Battle for Tallarn, spearheaded by the Cadian 423rd attack and nearly annilate a renegade Titan Legio in a battle on the Planus Steppes. Imperial forces are to endure the loss of over eight thousand tank companies and thirty five super-heavy detachments.	Codex: Imperial Guard (5th Edition) Page 22
888.M41	The Crusade of Wrath: Black Templars defeat Word Bearers and reclaim many worlds near the Maelstrom.	Warhammer 40,000 5th Edition Rulebook
891.M41	Persya sector undergoes the 'long midnight' as Eldar pirates prey on them for over half the year, until driven off by Imperial Patrol Praxion.	Warhammer 40,000 5th Edition Rulebook
892.M41	Cortez defended breach in Fortress Maladon's wall for 21 hours of constant fighting.
897.M41	A Adepta Sororitas fortress-convent, Sanctuary 101, is completely destroyed by Necrons. This raid is the first recorded contact with the Necrons.1 Faze V is re-discovered by a Rogue Trader who has the support of the Dark Angels 5th company. The local Human population is mind-linked with a huge artificial intelligence and the Dark Angels manage to destroy it. Millions of local Human rise up against the Imperium and the Dark Angels crush the rebellion and burn the planet to the ground. Secretly some unknown data is retrieved from the machine complex by Bekenel, Grand Master of the Deathwing.2	1:Codex: Necrons (3rd Edition) pg 11 Darkness Rising 2:Codex: Dark Angels (3rd Edition) pg 20
899.M41	The Battle of Carrion Deep. One of the first confirmed and detailed conflicts between the Imperium and the rising Necron threat.	Imperial Armour Volume Ten - The Badab War - Part Two, pp.88-89
899.M41	Hive Fleet Gorgon invades the Tau Empire.	Codex: Tyranids (5th Edition), p.18-21
901-912.M41	Badab War. Astral Claws' master, Lufgt Huron, revolts.	Codex: Chaos Space Marines (4th Edition) p57
901.M41	Imperial investigation fleet destroyed in orbit of Badab killing 23,000 agents of the Imperium. Huron declares himself Tyrant of Badab and secedes from the Imperium.	Codex: Chaos Space Marines (4th Edition) p57
902.M41	The Thirteenth Castigation of Golgotha is carried out by the Fire Hawks Chapter.	Imperial Armour Volume Nine - The Badab War - Part One, p.69
903.M41	Badab War - Lamenters, Mantis Warriors and Executioners join revolt.	Codex: Chaos Space Marines (4th Edition) p57
903.M41	Captain Cortez fights through the entire Kardian six week campaign without supplies after they had been lost to enemy fire during deployment.
903.M41	Hive Fleet Gorgon is destroyed by the combined forces of the Tau and the Imperial Guard.	Codex: Tyranids (5th Edition), p.18-21
904.M41	Badab War - Fire Hawks retaliate when their supply ship is captured by the Mantis Warriors.	Codex: Chaos Space Marines (4th Edition) p57
905.M41	Badab War - Marines Errant recalled from Eastern Fringe but find themselves protecting convoys more than actively attacking the rebels.	Codex: Chaos Space Marines (4th Edition) p57
906.M41	Badab War - Red Scorpions and Minotaurs called in to suppress revolt.
906.M41	Badab War - The Betrayal at Grief - Lord High Commander Verant Ortys of the Red Scorpions is killed under an attack by unknown forces during a meet between the Loyalist and Secessionist forces. The Chapter Master of the Mantis Warriors Sartaq is also killed. Lugft Huron is later blamed for this incident.	Imperial Armour Volume Nine - The Badab War - Part One p31
907.M41 (913?)	Badab War - Several chapters are redeployed in response to Ork expansions in Ultima Segmentum and Imperial Navy assume their responsibilities. Badab blockaded. More chapters brought in to investigate Executioners and Mantis Warriors worlds.	Codex: Chaos Space Marines (4th Edition) p57
908.M41	Badab War - Bulk of the Lamenters caught in an ambush and surrender to loyalist forces.	Codex: Chaos Space Marines (4th Edition) p57
908-912.M41	Badab War - A series of sieges see the fortresses of Huron crumble to the loyalists. Badab is eventually surrounded and cut off.	Codex: Chaos Space Marines (4th Edition) p57
912.M41	Badab War ends with the fall of Badab and final defeat of the Astral Claws. Heavy fighting in the Palace of Thorns sees Huron badly wounded but 200 Astral Claws escape with him to the Maelstrom.	Codex: Chaos Space Marines (4th Edition) p57
912.M41-Present	Lamenters, Mantis Warriors and Executioners sent on century-long penitence crusades.	Codex: Chaos Space Marines (4th Edition) p57
913.M41	Disclipes of Ahriman sack the Jollana Librarium.	Warhammer 40,000 5th Edition Rulebook
917.M41	Battle of Amion. Red Talons and Armageddon Steel Legion vs. rebel Imperial forces.
919.M41	Commissar Ciaphas Cain is attached to the Valhallan 12th Field Artillery Regiment, in the hopes of enjoying a career in a backwater post as far from combat as possible. He ends up facing down a Tyranid Hive Tyrant with nothing but a Laspistol and Chainsword completely by accident. This event, and others following it, eventually snowball his reputation to ridiculous levels.	Fight or Flight a short story by Sandy Mitchell
920.M41	Loss of the troopship Emperor's Faithful to Eldar pirates. Over 5 million Guardsmen and 200,000 Naval personnel listed as Missing.	Warhammer 40,000 5th Edition Rulebook
925.M41	Contact lost with 18 planets in the Vidar sector, including the forge world Lentrel Prime.1 Waaagh! Grax invades the Ryza system. Regiments are raised from planets within ten light years, including the worlds of Barac, Ulani, Dulma'lin and Catachan. To meet demand, four fifths of Dulma'lin's populace is drafted. The Orks would eventually be broken decades later at the Battle of Desolation Valley by Commander Mordrid van Hordric.2	1:Warhammer 40,000 5th Edition Rulebook Page 128 2:Codex: Imperial Guard (5th Edition) Page 22
926.M41	The Vaxhallan Genocides: The Purge slaughter 14 billion Imperial citizens.	Warhammer 40,000 5th Edition Rulebook Page 128
927.M41	Green Skins and Black Hearts: The Ork Invasion of Perlia by Hismyonie Kallis is published. It is later used by Inquisitor Amberley Vail when she is organizing the Cain Archive.1 An army of Daemons wipes out the famous armoured seige regiment of Hammeront IV under the command of Grand Marshal Lourgant during the Fallaxian Scourging.	1:Death or Glory by Sandy Mitchell 2:Codex: Imperial Guard (5th Edition) Page 23
928.M41	Two opposing Eldar Phoenix Lords of the Striking Scorpions Aspect Arha and Karandras, duel for seventeen days in the ruins of ancient Zandros.1 The Catachan II, with the help of Planetary Defence Forces engage in search and destroy missions against Ork Kommandos in the polar ranges of the planet Ulani.2	1:Warhammer 40,000 5th Edition Rulebook Page 128 2:Codex: Imperial Guard (5th Edition) Page 23
929.M41	Due to the slow moving machinations of the Administratum, the news of the destruction of the Hammeront IV regiment fails to be passed onto the Departmento Munitorum who charge the regiment to lead the liberation of the Abraxis Citadel on Prassium.	Codex: Imperial Guard (5th Edition) Page 23
930.M41	The Orks under Krakskull are destroyed in a trap in a ravine on Arandra V by the Catachan XXIV 'Waiting Death'. Codex: Imperial Guard (5th Edition) Page 23
931.M41	An Imperial taskforce primarily made up of Valhallans successfully prevent the Tau from annexing an Imperial world during the Gravalax Incident.1 The Hammeront IV are charged with desertion by the Departmento Munitorum and their commander, Lord General Lourgant, is posthumously sentenced to death.2	1:For the Emperor one of the Ciaphas Cain novels by Sandy Mitchell 2:Codex: Imperial Guard (5th Edition) Page 23
933.M41	Terrorists, Chaos Cultists, Genestealers and a Tyranid Hive fleet splinter all threaten the world of Periremunda at the same time.	Duty Calls one of the Ciaphas Cain novels by Sandy Mitchell
933.M41	The Ravagers, a Khornate warband, began their raids on isolated shipping lines and colonies. The warband is too fast for the Imperial Navy to catch up.	The Traitor's Hand one of the Ciaphas Cain novels by Sandy Mitchell
934.M41	Ardaric Vaanes, Captain of the Raven Guard 4th Company, is declared Ecommunicate Mortis.	The Chapter's Due, Page 181
937.M41	Inquisitor Pranix leads a strikeforce of Space Wolves, Cadian and Tallarn Imperial Guard in an attempt to wrest the Hollow Worlds from the control of the Red Corsairs.	Warhammer 40,000 5th Edition Rulebook
937.M41	Battle over Salomine. The Imperial Navy finally catches up with the Ravagers over the Tau colony of Salomine, resulting in the destruction of most of the warband. Salomine then possibly falls to the Imperium.	The Traitor's Hand one of the Ciaphas Cain novels by Sandy Mitchell
937.M41	Surviving remanants of the Ravagers make their way to Adumbria to stop Slanneshi cults from transforming Adumbria into a Daemon World of Slannesh, but also encounter 5 Imperial Guard regiments and several Navy ships. By the end of the battle, the Ravagers and the Slanneshi cults are utterly anihilated, and the planet is prevented from falling to Chaos.	The Traitor's Hand one of the Ciaphas Cain novels by Sandy Mitchell
940.M41	Tzeentch cults revolt on the Imperial planet Chicano. World lost.	Realm of Chaos
941-942.M41	Second War for Armageddon. Ork Waaagh! led by Ghazghkull Mag Uruk Thraka assault the hive world Armageddon Secundus. Lord Herman von Strab's forces are saved by Commissar Yarrick's performance.
942.M41	Eldar Commander Yriel is the leader of the Craftworld Iyanden space fleet.	Codex: Eldar (3rd Edition)
944.M41	Balur Crusade. Calgar elected leader of Marine Crusade force operating against worlds along the Eastern Fringes. Operations began with scouring of Ork held Balur and ending with devastation of Boros.
945-959.M41	Ghazghkull Thraka mounts raids on various planets	Codex: Armageddon
946.M41	Dante (station), Yarrick (station), Mannheim (station) monitoring stations established in outermost orbit of Armageddon system
962.M41	Imperial base on Buca III annihilated by Ork asteroid base (Thraka)
963.M41	Fire Hawks mobile chapter fleet sent to Crow's World sector to retaliate against Eldar pirates. En route, entire chapter is destroyed in the warp.	White Dwarf 99 (UK), Legion of the Damned, Codex: Space Marines (3rd Edition)
963.M41	Ultramarines clash with Tau colonisation forces on the world of Malbede; both armies later unite against Necron awakening. The Tau escape the planet, which is destroyed in an exterminatus ordered by Marneus Calgar shortly afterwards.	Warhammer 40,000 5th Edition Rulebook
968.M41	The Khai-Zhan rebellion, where Imperial forces (notably, the Cadian 122 and the Imperial Fists Space Marines) fought back the forces of Chaos, mostly in the streets of Vogen, the planet's capitol city.	Codex: Cityfight
969.M41	Terminus Est spotted in the Cando system. The Zombie Plague sweeps across the system in the following months.	Warhammer 40,000 5th Edition Rulebook
971.M41	The Ork Wazdakka Gutsmek begins his plan to create an interstellar supa'eyeway through the Warp.	Warhammer 40,000 5th Edition Rulebook
972.M41	Imperial agri-world Chigon 17 overrun by Orks under Thraka using guerrilla tactics
975.M41	Cadian fortress-world Lutoris Epsilon lost to Khornate temptation initiated by Skarbrand the Bloodthirster.	Warhammer 40,000 5th Edition Rulebook
976.M41	Hive Fleet Perseus detected by Ultramarines. Marneus Calgar severely mauled in a skirmish against Tyranids.	White Dwarf 97, Ultramarines
980.M41	The Promethean War. The Salamanders fight an urban war against the Black Legion on Heletine. The Order of the Ebon Chalice arrives to reinforce the Space Marines and together push forward, but their advance is stopped by Daemon Prince Lord Gralastyx and his Chaos Space Marines and the Imperium forces nearly defeated. Saint Celestine appears suddenly and fights through the hordes and eventually kills Gralastyx and turns the tide of the battle. She disappears again just as suddenly.	Codex: Sisters of Battle (5th Edition)
981.M41	Durlan Occellati discovers warp route into Wheel of Fire	Book of the Astronomican
981.M41	Taelos of the Imperial Fists takes a warrior pilgrimage through the Maelstrom, Choria, Fell Heart, and Golgotha	Codex: Space Marines (4th Edition) inside back cover
982.M41	Last encounter with Hive Fleet Perseus. Drifts outsystem.
983.M41	Fire Hawks declared lost in the warp.
983-985.M41	The Hrud migration in which Ursarkar Creed fought.	Codex: Eye of Terror p.40
984.M41	Battle of Hell Town. Pyran Dragoons assigned to Armageddon jungle base desert their posts, leaving the Armageddon Ork Hunters to defend against Ork invasion.
985.M41	Eldar predations in the Underhives of Cathoria II.	Warhammer 40,000 5th Edition Rulebook
986.M41	Imperial Battlecruiser Radiant Way wiped out by Ork pirates led by Thraka.	History of the Third War for Armageddon
987.M41	Space Wolves attack the Ork-held planet of Xit; 519th crusade ends in the Wheel of Fire.	Book of the Astronomican
988.M41	Orks of the Charadon empire invade Rynn's World. During the initial invasion the Crimson Fists are nearly wiped out by their own defence missile.	Warhammer 40,000: Rogue Trader
989.M41	Helbrecht is elected as High Marshal of the Black Templars and declares a Crusade against the Cythor Fiends of the Ghoul Stars.	Codex: Black Templars (4th Edition), p.44
989.M41	Waa-Snagrod barrels through the Loki sector, devastating Rynn's World and the Crimson Fists.	Warhammer 40,000 5th Edition Rulebook
990.M41	The ancient ruling class of nobility on Rophanon have their lands and power taken away from them when the Adeptus Terra decides to turn the planet into a retirement community for high ranking clerks and a massive records storage facility. The council of Rophanon instigates a rebellion but Lord General Artemis Blythe just happens to be on the planet recovering from wounds suffered during a space battle. He leads the fight back, when eventually becomes mired in a war of attrition. When Hive Fleet Leviathan emerges near Rophanon the Imperials withdraw and let the Tyranids destroy the planet before letting the Deathwatch deliver the Exterminatus.	Tactica Imperialis
991.M41	The Martyrdom of Praxedes. Canoness Praxedes of the Order of Our Martyred Lady assists the Imperial Guard on the cardinal world of Okassis against Hive Fleet Kraken. They defeat the first wave only to have the second wave breach the walls of the Ecclesiarchal Cathedral. Praxedes buys precious time for evacuation by slaying a Hive Tyrant, but shortly afterward succumbs to a mortal wound. The disruption caused by the Hive Tyrant's death made successful the evacuation of the Ecclesiarchy's priests as well as civilians at the space port.	Codex: Sisters of Battle (5th Edition)
992.M41	Second Tyrannic War. Iyanden craftworld nearly destroyed by Hive Fleet Kraken. Lamenters and Scythes of the Emperor chapters virtually destroyed.	Codex Imperialis
992.M41	The Kimmerian VIII regiment, fighting Orks on the eastern fringe, are assisted by Jotun Bearclaw's renegade Great Company, who refused to return to Fenris after fighting at Ichar IV due to the length of travel time involved.
992.M41	Ursarkar E. Creed annihilates Ulthwé raid on Aurent.	Codex: Eye of Terror p.40
995.M41	Battle of Korsk II. Lord Varlak leads a rebellion that is crushed by Space Marines in a major tank battle on the plains of Korsk II.
995.M41	Defence of Ichar IV. Calgar acts as supreme commander in defence of Ichar IV, a vital industrial world on the Eastern Fringe. Tyranid invaders from Hive Fleet Kraken held in check by the combined efforts of Space Marines, Imperial Guard and alien Eldar forces.
995.M41	Tau fleet action at the shrineworld Ghola's Hope.	Warhammer 40,000 5th Edition Rulebook
995.M41	Red Corsair pirates capture the Space Wolf cruiser Wolf of Fenris.	Warhammer 40,000 5th Edition Rulebook
997.M41	Inquisitors Alexio, Credo, and Fortez report having destroyed Temple of the Star Child on Levilnor IV.	Warhammer 40,000 3rd Edition Rulebook p.272
997.M41	Hive Fleet Medusa invades the galaxy through the Ghoul Stars.	Codex: Tyranids (5th Edition), p.29
138997.M41	Hive Fleet Leviathan contacts the galactic base of the Imperium, causing destruction in Segmentums Tempestus, Ultima and Solar.	Warhammer 40,000 5th Edition Rulebook
221997.M41	The Ork Warlords Ghazghkull Thraka and Nazdreg launch an attack upon the power plant of Kadillus Harbour, the capital-city of Piscina IV. The Dark Angels, under the command of Company Master Belial manage to disrupt his plans until further Dark Angels reinforcements manage to arrive. The Ork horde is driven off.	Codex: Dark Angels (3rd Edition) p.19, Warhammer 40,000 5th Edition Rulebook
509997.M41	A combined Mortifactors and Ultramarines strikeforce defeat a shard of Leviathan at Tarsis Ultra. The remainder of the Hive Fleet rampages on, completely unaffected.	Warhammer 40,000 5th Edition Rulebook
601997.M41	Commissar Yarrick and Ghazghkull come face to face again on the world of Golgotha. Yarrick is captured and tortured but ultimately released - Ghazghkull is planning to invade Armageddon again, and wants a good fight.	Warhammer 40,000 5th Edition Rulebook
622997.M41	Golgothan refugees are slaughtered en masse by Dark Eldar raiders on the moon of Jagdor	Warhammer 40,000 5th Edition Rulebook
977997.M41	The Tau Empire resumes the Third Phase Expansion under Commander Shadowsun. They capture several worlds on the Eastern Fringe.	Warhammer 40,000 5th Edition Rulebook, Codex: Tau Empire (4th Edition)
998.M41	The Taros invasion fleet arrives carrying the 4621st Imperial army to prosecute the Taros Campaign against the Tau. The invasion fails and the Tau annex the world, renaming it T'ros
998.M41	Historicus Coran Celecius tried for heresy after his work links the Aphis hermitage massacre to the Necrontyr and other mysterious past encounters.
998.M41	Inquisitor Lichtenstein declared Excommunicate Traitoris.
998.M41	Hive Fleet Moloch attacks the galaxy through the Ghoul Stars.	Codex: Tyranids (5th Edition), p.29
757998.M41	The Third War for Armageddon begins. Having learned from past mistakes, Imperial Commanders commit a ridiculous amount of forces to hold the world. It drags on for months in a bloody stalemate, and soon Ghazghkull grows bored and leaves his generals to finish the fight while he goes looking for other worlds to conquer. Commissar Yarrick joins a Black Templar's Crusade and gives chase.	Warhammer 40,000 5th Edition Rulebook, Codex: Armageddon
718999.M41	Hive Fleet Leviathan invades the Ork Empire in the Octarius system, and war rages with neither side showing any signs of stopping.	Warhammer 40,000 5th Edition Rulebook
957999.M41	The light of the Astronomican grows dim; contact is lost with Ultima Macharia and becomes intermittent with both Macragge and Cypra Mundi.	Warhammer 40,000 5th Edition Rulebook
978999.M41	Dark Eldar raiders cripple the Imperial Navy's port at Bakka.	Warhammer 40,000 5th Edition Rulebook
980999.M41	The Red Corsairs emerge from the Maelstrom in force and lay siege to several systems, notably the Chogoris, Kaelas, and Sessec systems.	Warhammer 40,000 5th Edition Rulebook
982999.M41	The Great Awakening: a ripple of psychic power flows through the Warp and activates the latent abilities of millions of psykers. Innumerable warp rifts are created and several worlds are lost to daemonic infestation.	Warhammer 40,000 5th Edition Rulebook
986999.M41	Tech Priests of the Adeptus Mechanicus discover failures in the mechanisms of the Golden Throne that are far beyond their ability to repair.	White Dwarf 342us "Timeline" p.37 Warhammer 40,000 5th Edition Rulebook p. 129.
987999.M41	Necron activity detected within 2,000 light years of Terra.	Warhammer 40,000 5th Edition Rulebook
989999.M41	The Ultramarines 3rd Company liberate the Lagan system from the Tau Empire	Warhammer 40,000 5th Edition Rulebook
990999.M41	Eldar forces from the Biel-Tan and Saim Hann Craftworlds destroy both Imperial and Ork worlds surrounding the Octarius system with the intent of denying bio-resources to Hive Fleet Leviathan.	Warhammer 40,000 5th Edition Rulebook
992.M41	Necron Shroud class Light Cruiser encountered in Segmentum Pacificus.	Battlefleet Gothic: Necron Fleets
992999.M41	The Night of a Thousand Rebellions: A wave of discord sweeps heretorfore thought stable sections of the Imperium, with several worlds rebelling. Contact is lost with large areas inside the Segmentum Pacificus.	Warhammer 40,000 5th Edition Rulebook
996.M41	Bora Culpa incident. Population found vanished after a recon by the Space Wolves.	Battlefleet Gothic: Necron Fleets
998.M41	Five Necron Shroud-class Light Cruisers attempt to run the Solar Blockade. Two make it to Martian orbit, and one successfully lands in the Noctus Labyrinth before being destroyed. No wreckage is recovered.	Battlefleet Gothic: Necron Fleets
999.M41	A murderous plot kills several members of the Cadian High Command. Ursarkar E. Creed is appointed Lord Castellan of Cadia.	Codex: Eye of Terror p.40
999.M41	The Zeist Campaign sees the Imperium take back the worlds they lost in the Tau Third Sphere Expansion. The highly successful Campaign is led by Captain Sicarius of the Ultramarines 2nd Company along with elements from at least nine other Chapters and Imperial Guard Regiments. A thrust into the Tau Empire could not be sanctioned however, as the forces were recalled to their other duties.	Codex: Space Marines (5th Edition) p48
995999.M41	Warmaster Abaddon launches the 13th Black Crusade. The armies of Chaos Undivided lay siege primarily to Cadia but attack many of the surrounding worlds as well. Imperial Forces launch a massive counterattack, and eventually push back the tides of Chaos, but only just barely, and at great cost. The Space Wolves' 13th Company are amongst the forces seen fighting against the forces of chaos.	Codex: Eye of Terror, Warhammer 40,000 5th Edition Rulebook

M40	Timeline	M42