612
edits
Changes
From Warhammer 40k - Lexicanum
M30
,Added events from HH5.
|[[Index Astartes]]: [[Black Legion]]; [[The Horus Heresy Book One - Betrayal]] pg. 67
|-
|rowspan=2|806.M30
|The [[Dark Eldar]] [[Kabal of the Shrieking Heart]] begins raiding [[Antimon]] around this time.
|[[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.
|[[The Horus Heresy Book Five - Tempest]] pg. 73
|-
|807.M30
|Anomalous Legiones Astartes activity is first reported. The actions of unidentified Astartes is attributed to a "Ghost Legion."
|[[The Horus Heresy Book Three - Extermination]] pg. 81
|-
|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.
|[[The Horus Heresy Book Five - Tempest]] pg. 73
|-
|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.
|''Ibid.''
|-
|<!-- Fifty years after his arrival on Chemos -->
|[[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
|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]].
|[[The Horus Heresy Book Five - Tempest]] pg. 75, 96
|-
|840.M30 <!-- 160 years before Laeran -->
|''[[Pride of the Emperor]]'''s keel is laid down in the [[Jupiter]] shipyards.
|[[Fulgrim (Novel)|Fulgrim]] Chapter Two
|-
|841.M30
|[[House Vornherr]]'s Warrant of Ancient Domain and Arms is ratified.
|[[The Horus Heresy Book Five - Tempest]] pg. 122
|-
|842-843.M30
|The [[Emperor of Mankind|Emperor]] comes to [[Chogoris]] and recruits [[Jaghatai Khan]] to lead the [[White Scars]].
|[[Index Astartes]]: [[White Scars]]; [[Brotherhood of the Storm (Novella)|Brotherhood of the Storm]] Part I
|-
|860.M30
|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
|-
|869.M30
|-
|ca. 890.M30 <!-- Other side of thirty-year span beginning Farinatus -10y -->
|The [[Third Rangdan Genocide]]. 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
|The [[Crisis of the Hungering Gyre]].
|''Ibid.'' [[The Horus Heresy Book Three - Extermination]] pg. 19
|-
|[[Rogue trader]] Corthona Van Der Veld discovers the dead world that she names [[Grail]].
|''Ibid.'' pg. 75
|-
|<!--late--> 899.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 Horus Heresy Book Five - Tempest]] pg. 97
|-
|902.M30
|The [[Night Lords]] and [[Raven Guard]] participate in the [[Farinatus Extermination]].
|''Ibid.''
|-
|late 970s.M30
|The [[Night Lords]] engage in a protracted persecution of the Gethora Warp-Witches across the Vaomir Reaches.
|[[The Horus Heresy Book Five - Tempest]] pg. 139
|-
|976.M30
