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|-
 
|-
 
|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.
 
|[[Tales of Heresy (Anthology)#The Last Church|Tales of Heresy: The Last Church]] <!-- over half a century before TLC -->
 
|[[Tales of Heresy (Anthology)#The Last Church|Tales of Heresy: The Last Church]] <!-- over half a century before TLC -->
 
|-
 
|-
 
|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 Last church of Terra]] - The [[Emperor of Mankind]] has the last church on Terra, the Church of the Lightning Stone, destroyed after speaking with the last priest.
 
|''Ibid.'' <!-- During the Primarch Project -->
 
|''Ibid.'' <!-- During the Primarch Project -->
 
|-
 
|-
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|-
 
|-
 
|rowspan=2|ca. 750.M30
 
|rowspan=2|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.
 
|[[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
 
|[[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]] 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.
+
|[[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.
 
|[[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." -->
 
|[[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." -->
 
|-
 
|-
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|-
 
|-
 
|rowspan=2|ca. 780.M30
 
|rowspan=2|ca. 780.M30
|The Emperor's geneticists refine the creation of the [[gene-seed]] that will allow him to create the [[Space Marine]] Legions.
+
|'''Creation of the gene-seed''' - The Emperor's geneticists refine the creation of the [[gene-seed]] that will allow him to create the [[Space Marine]] Legions.
 
|[[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. -->
 
|[[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. -->
 
|-
 
|-
|'''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.
+
|'''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.
 
|[[Codex: Space Marines (3rd Edition)]] pg. 47
 
|[[Codex: Space Marines (3rd Edition)]] pg. 47
 
|-
 
|-
 
|ca. M30
 
|ca. M30
|The [[Emperor of Mankind]] orders the construction of the [[Astronomican]], powered with his own psychic might.
+
|'''Construction of the Astronomican''' - 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
 
|[[Warhammer 40,000 6th Edition Rulebook]] pg. 168; [[The Horus Heresy Book Two - Massacre]] pg. 14
 
|-
 
|-
Line 72: Line 72:
 
|[[Horus Rising (Novel)|Horus Rising]] Chapter One; [[Warhammer 40,000 6th Edition Rulebook]] pg. 168; [[Codex: Imperial Knights (6th Edition)]]; [[Magnus the Red: Master of Prospero (Novel)]] Chapter 1
 
|[[Horus Rising (Novel)|Horus Rising]] Chapter One; [[Warhammer 40,000 6th Edition Rulebook]] pg. 168; [[Codex: Imperial Knights (6th Edition)]]; [[Magnus the Red: Master of Prospero (Novel)]] Chapter 1
 
|-
 
|-
|[[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. Evidence of occultism within the gene-cults is sequestered in the Imperial Dungeon.
+
|[[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. Evidence of occultism within the gene-cults is sequestered in the Imperial Dungeon.
 
|[[The Horus Heresy Book One - Betrayal]], pgs. 80-81; [[The Horus Heresy Book Eight - Malevolence]] pg. 12 <!-- First action of the Great Crusade -->
 
|[[The Horus Heresy Book One - Betrayal]], pgs. 80-81; [[The Horus Heresy Book Eight - Malevolence]] pg. 12 <!-- First action of the Great Crusade -->
 +
|-
 +
|
 +
|[[Battle of Neptune]] ([[Liberation of the Sol System]])
 +
|[[The Horus Heresy Book Eight - Malevolence]] pg.114
 +
|-
 +
|
 +
|[[Unheard War]] ([[Liberation of the Sol System]])
 +
|[[The Horus Heresy Book Three]] pg.74-75
 
|-
 
|-
 
|rowspan=2|799.M30
 
|rowspan=2|799.M30
Line 79: Line 87:
 
|[[Perturabo: The Hammer of Olympia (Novel)]] Chapter One
 
|[[Perturabo: The Hammer of Olympia (Novel)]] Chapter One
 
|-
 
|-
|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.
+
|[[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.
 +
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 +
|-
 +
|
 +
|[[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.
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|-
 
|-
|rowspan=3|803.M30
+
|800.M30
 +
|[[Molorian Revolt]]
 +
|[[The Horus Heresy Book Seven - Inferno]] pg. 92
 +
|-
 +
|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.
 
|[[A Thousand Sons (Novel)|A Thousand Sons]] Chapter Twenty-Two <!-- "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]].
 
|[[The Horus Heresy Book Three - Extermination]] pg. 19
 
|[[The Horus Heresy Book Three - Extermination]] pg. 19
|-
 
|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.
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|-
 
|800.M30
 
| The [[Molorian Revolt]]
 
|[[The Horus Heresy Book Seven - Inferno]] pg. 92
 
 
|-
 
|-
 
|804.M30
 
|804.M30
Line 120: Line 129:
 
|[[Tales of Heresy (Anthology)#Wolf at the Door|Tales of Heresy: Wolf at the Door]]
 
|[[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.
+
|[[Compliance of the Osiris Cluster]] - The eleven star systems comprising the Osiris Cluster are brought to Compliance.
 
|[[The Horus Heresy Book Five - Tempest]] pg. 73
 
|[[The Horus Heresy Book Five - Tempest]] pg. 73
 
|-
 
|-
 
|807.M30
 
|807.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.
+
|[[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.
 
|[[The Horus Heresy Book Two - Massacre]] pgs. 65-66
 
|[[The Horus Heresy Book Two - Massacre]] pgs. 65-66
 
|-
 
|-
 
|
 
|
|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."
+
|[[Siege of Reillis]] - <!-- At this time the Emperor have rediscovered only Horus-->
 +
| [[Index Astartes IV]] — ''Sons of Horus''
 +
|-
 +
|
 +
|'''Recruitment of Leman Russ''' - 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."
 
{{Fn|Conflicting sources}}''[[False Gods (Novel)|False Gods]] Chapter Ten states that Horus fought alone with the Emperor for three decades after Horus was found''
 
{{Fn|Conflicting sources}}''[[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]]
 
|[[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
 
|ca. 810.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]].
+
|'''Recruitment of Ferrus Manus''' - 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]].
 
|[[The Horus Heresy Book Two - Massacre]] pg. 66
 
|[[The Horus Heresy Book Two - Massacre]] pg. 66
 +
|-
 +
| 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-->
 +
|[[Wheel of Fire Campaign]]
 +
|[[Wolfsbane (Novel)]] Chapter 9
 
|-
 
|-
 
|813.M30
 
|813.M30
Line 141: Line 158:
 
|-
 
|-
 
|823.M30  
 
|823.M30  
|The [[Incident of Bezant]] and the [[Bezantine Oath]] - First case of the [[Flesh Change]] within the [[Thousand Sons]] Legion.
+
|[[Incident of Bezant]]/[[Bezantine Oath]] - First case of the [[Flesh Change]] within the [[Thousand Sons]] Legion.
 
|[[The Horus Heresy Book Seven - Inferno]] pg.11
 
|[[The Horus Heresy Book Seven - Inferno]] pg.11
 
|-
 
|-
Line 149: Line 166:
 
|-
 
|-
 
|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.
 
|[[The Horus Heresy Book One - Betrayal]] pg. 103
 
|[[The Horus Heresy Book One - Betrayal]] pg. 103
 
|-
 
|-
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|-
 
|-
 
|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.
 
|[[The Horus Heresy Book Five - Tempest]] pg. 73
 
|[[The Horus Heresy Book Five - Tempest]] pg. 73
 
|-
 
|-
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|-
 
|-
 
|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.
 
|[[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''
 
|[[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 -->
 
|<!-- Fifty years after his arrival on Chemos -->
|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 Fulgrim''' - 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]].
 
|[[Index Astartes]]: [[Emperor's Children]]; [[The Horus Heresy Book One - Betrayal]] pg. 104
 
|[[Index Astartes]]: [[Emperor's Children]]; [[The Horus Heresy Book One - Betrayal]] pg. 104
 
|-
 
|-
Line 181: Line 198:
 
|-
 
|-
 
|ca. 840.M30
 
|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]].
+
|'''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]].
 
|[[The Horus Heresy Book Five - Tempest]] pg. 75, 96
 
|[[The Horus Heresy Book Five - Tempest]] pg. 75, 96
 
|-
 
|-
Line 188: Line 205:
 
|[[Fulgrim (Novel)|Fulgrim]] Chapter Two
 
|[[Fulgrim (Novel)|Fulgrim]] Chapter Two
 
|-
 
|-
|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 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]]. <!-- 13 years before Morningstar -->
 
|[[Magnus the Red: Master of Prospero (Novel)]] Chapter 2
 
|[[Magnus the Red: Master of Prospero (Novel)]] Chapter 2
 
|-
 
|-
Line 200: Line 217:
 
|-
 
|-
 
|rowspan=2|843.M30
 
|rowspan=2|843.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]].
+
|'''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]].
 
|[[The Horus Heresy Book Six - Retribution]] pg. 60
 
|[[The Horus Heresy Book Six - Retribution]] pg. 60
 
|-
 
|-
|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.
+
|'''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.
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 119
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 119
 
|-
 
|-
 
|ca. 845.M30
 
|ca. 845.M30
|The IX Legion brings the Teghar system to Compliance. [[Sanguinius]] renames his legion the [[Blood Angels]].
+
|[[Teghar Campaign]] - The IX Legion brings the Teghar system to Compliance. [[Sanguinius]] renames his legion the [[Blood Angels]].
 
|[[The Horus Heresy Book Eight - Malevolence]] pgs. 120-121
 
|[[The Horus Heresy Book Eight - Malevolence]] pgs. 120-121
 
|-
 
|-
Line 222: Line 239:
 
|-
 
|-
 
|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]].
 
|[[The Horus Heresy Book Three - Extermination]] pg. 109-110; [[Magnus the Red: Master of Prospero (Novel)]] Chapter Two; [[Perturabo: The Hammer of Olympia (Novel)]] Chapter Sixteen
 
|[[The Horus Heresy Book Three - Extermination]] pg. 109-110; [[Magnus the Red: Master of Prospero (Novel)]] Chapter Two; [[Perturabo: The Hammer of Olympia (Novel)]] Chapter Sixteen
 
|-
 
|-
 
|ca. 850.M30
 
|ca. 850.M30
|The [[Knight World]] [[Chrysis]] is rediscovered. [[House Krast]] of this planet joined to [[Imperium]]
+
|'''Discovery of Chrysis''' - The [[Knight World]] [[Chrysis]] is rediscovered. [[House Krast]] of this planet joined to [[Imperium]]
 
|[[Codex: Imperial Knights (6th Edition)]], ''The Knightly Houses''/<br>[[ White Dwarf September 2016]], The Ultimate Guide to... Imperial Knights - M30-31
 
|[[Codex: Imperial Knights (6th Edition)]], ''The Knightly Houses''/<br>[[ White Dwarf September 2016]], The Ultimate Guide to... Imperial Knights - M30-31
 
|-
 
|-
Line 238: Line 255:
 
|-
 
|-
 
|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]].
 
|''Ibid.''; [[Index Astartes]]: [[Word Bearers]]; [[Aurelian (Novella)|Aurelian]] Prologue; [[The Horus Heresy Book Five - Tempest]] pg. 16
 
|''Ibid.''; [[Index Astartes]]: [[Word Bearers]]; [[Aurelian (Novella)|Aurelian]] Prologue; [[The Horus Heresy Book Five - Tempest]] pg. 16
 
|-
 
|-
 
|858.M30
 
|858.M30
|[[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]].
+
|[[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]].
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|-
 
|-
 
|
 
|
|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.
+
|'''Recruitment of Konrad Curze''' - 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.
 
|[[Index Astartes]]: [[Night Lords]]; [[Shadows of Treachery (Anthology)#Prince of Crows|Shadows of Treachery: Prince of Crows]] Chapter Six
 
|[[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]]. The Khan is the fifteenth [[Primarch]] rediscovered.
+
|'''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.
 
|[[Index Astartes]]: [[White Scars]]; [[Brotherhood of the Storm (Novella)|Brotherhood of the Storm]] Part I; [[Jaghatai Khan: Warhawk of Chogoris (Novel)| Warhawk of Chogoris]] Chapter 1
 
|[[Index Astartes]]: [[White Scars]]; [[Brotherhood of the Storm (Novella)|Brotherhood of the Storm]] Part I; [[Jaghatai Khan: Warhawk of Chogoris (Novel)| Warhawk of Chogoris]] Chapter 1
 
|-
 
|-
Line 262: Line 279:
 
|-
 
|-
 
|866.M30
 
|866.M30
|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.
+
|[[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.
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|[[The Horus Heresy Book Eight - Malevolence]] pg. 12
 
|-
 
|-
 
|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.
 
|[[The Imperial Truth (Anthology)#The Devine Adoratrice|The Imperial Truth: The Devine Adoratrice]]; [[Vengeful Spirit (Novel)|Vengeful Spirit]] Chapter 2
 
|[[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.
 
|[[Leman Russ: The Great Wolf (Novel)|Leman Russ: The Great Wolf]]
 
|[[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.
 
|[[The Horus Heresy Book Four - Conquest]] pg. 68
 
|[[The Horus Heresy Book Four - Conquest]] pg. 68
 +
|-
 +
|881.M30
 +
|[[Emancipation of Drune]]
 +
|[[The Horus Heresy Book Eight]] pgs. 150–152
 
|-
 
|-
 
|ca. 885.M30
 
|ca. 885.M30
|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]].
+
|'''Recruitment of Mortarion''' - 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]].
 
|[[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" -->
 
|[[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" -->
 
|-
 
|-
 
|rowspan=2|ca. 890.M30 <!-- Other side of thirty-year span beginning Farinatus -10y -->
 
|rowspan=2|ca. 890.M30 <!-- Other side of thirty-year span beginning Farinatus -10y -->
|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.
+
|[[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
 
|[[The Horus Heresy Book Three - Extermination]] pg. 82, [[The Horus Heresy Book Five - Tempest]] pg. 96
 
|-
 
|-
Line 290: Line 311:
 
|-
 
|-
 
|rowspan=2|891.M30
 
|rowspan=2|891.M30
|The [[Crisis of the Hungering Gyre]].
+
|[[Crisis of the Hungering Gyre]].
 
|[[The Horus Heresy Book Three - Extermination]] pg. 19
 
|[[The Horus Heresy Book Three - Extermination]] pg. 19
 
|-
 
|-
|[[Rogue trader]] Corthona Van Der Veld discovers the dead world that she names [[Grail]].
+
|'''Discovery of Grail''' - [[Rogue trader]] Corthona Van Der Veld discovers the dead world that she names [[Grail]].
 
|[[The Horus Heresy Book Four - Conquest]] pg. 71
 
|[[The Horus Heresy Book Four - Conquest]] pg. 71
 
|-
 
|-
Line 321: Line 342:
 
|-
 
|-
 
|907.M30
 
|907.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]]''.
+
|'''Recruitment of Angron''' - [[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]]''.
 
|[[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]]
 
|[[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
 
|921.M30
|The [[Black Legion|Luna Wolves]] [[Battle of Keylek|exterminate]] the [[keylekid]] [[xenos]].
+
|[[Battle of Keylek]] - The [[Black Legion|Luna Wolves]] [[Battle of Keylek|exterminate]] the [[keylekid]] [[xenos]].
 
|[[Horus Rising (Novel)|Horus Rising]] Part One Chapter Nine <!-- "This was eighty years ago" -->
 
|[[Horus Rising (Novel)|Horus Rising]] Part One Chapter Nine <!-- "This was eighty years ago" -->
 
|-
 
|-
Line 333: Line 354:
 
|-
 
|-
 
|rowspan=2|ca. 927.M30
 
|rowspan=2|ca. 927.M30
|The [[Cryptosi Purgation]].
+
|[[Cryptosi Purgation]].
 
|[[The Horus Heresy Book Three - Extermination]] pg. 94
 
|[[The Horus Heresy Book Three - Extermination]] pg. 94
 
|-
 
|-
Line 348: Line 369:
 
|-
 
|-
 
|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.
 
|[[Horus Rising (Novel)|Horus Rising]] Part Two Chapter Three; [[False Gods (Novel)|False Gods]] Part One Chapter One, Three, Seven
 
|[[Horus Rising (Novel)|Horus Rising]] Part Two Chapter Three; [[False Gods (Novel)|False Gods]] Part One Chapter One, Three, Seven
 
|-
 
|-
Line 356: Line 377:
 
|-
 
|-
 
|<!-- after "most" of the primarchs were recovered and the two unknown primarchs were purged -->
 
|<!-- after "most" of the primarchs were recovered and the two unknown primarchs were purged -->
|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]].
+
|'''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]].
 
|[[Index Astartes]]: [[Raven Guard]]; [[Deliverance Lost (Novel)|Deliverance Lost]] Chapter Nine
 
|[[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."
 
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
|-
 
|-
Line 367: Line 388:
 
|[[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 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.
 
|[[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]]
 
|[[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]]
 
|-
 
|-
Line 375: Line 396:
 
|-
 
|-
 
|966.M30
 
|966.M30
|[[Cadia]] is entered into the Carta Imperialis.
+
|'''Discovery of Cadia''' - [[Cadia]] is entered into the Carta Imperialis.
 
|''Ibid.''
 
|''Ibid.''
 
|-
 
|-
Line 387: Line 408:
 
|-
 
|-
 
|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 [[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]].
 
|[[Angels of Caliban (Novel)|Angels of Caliban]] Prologue
 
|[[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]].
 
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
|-
 
|-
Line 414: Line 435:
 
|[[The Horus Heresy Book Two - Massacre]] pg. 19
 
|[[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.
 
|[[The Horus Heresy Book Three - Extermination]] pg. 251
 
|[[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|Conflicting sources}} ''The Index Astartes article puts the Cheraut incident in 7232826.M29.''
 
{{Fn|Conflicting sources}} ''The Index Astartes article puts the Cheraut incident in 7232826.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]]
 
|[[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]]
Line 431: Line 452:
 
|-
 
|-
 
|<!-- Almost fifty years after Corax and in "The last years of the Great Crusade..." -->
 
|<!-- Almost fifty years after Corax and in "The last years of the Great Crusade..." -->
|The [[Raven Guard]] exterminate the [[Khrave]] occupying [[Indra-sûl]].
+
|[[Compliance of Indra-sul]] - The [[Raven Guard]] exterminate the [[Khrave]] occupying [[Indra-sûl]].
 
|''Ibid.'' pg. 152
 
|''Ibid.'' pg. 152
 
|-
 
|-
Line 439: Line 460:
 
|-
 
|-
 
|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]].
 
|[[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
 
|[[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.
 
|[[Tales of Heresy (Anthology)#Wolf at the Door|Tales of Heresy: Wolf at the Door]]<!-- "Seven years ago..."-->
 
|[[Tales of Heresy (Anthology)#Wolf at the Door|Tales of Heresy: Wolf at the Door]]<!-- "Seven years ago..."-->
 
|-
 
|-
Line 450: Line 471:
 
|[[The Horus Heresy Book One - Betrayal]] pg. 40 <!-- "almost a decade previously" to Isstvan III -->
 
|[[The Horus Heresy Book One - Betrayal]] pg. 40 <!-- "almost a decade previously" to Isstvan III -->
 
|-
 
|-
|rowspan=8|999.M30
+
|rowspan=9|999.M30
|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.
+
|[[Melchior Compliance]] - 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
 
|[[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.
+
|[[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.
 
|[[A Thousand Sons (Novel)|A Thousand Sons]] Chapter One <!-- Beginning concurrent with TS time on Aghoru -->
 
|[[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.
+
|[[Battle of the Mountain]] - The [[Thousand Sons]] bring Twenty-Eight Sixteen ([[Aghoru]]) to Compliance in a three-month endeavour.
 
|[[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 -->
 
|[[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.
+
|[[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.
 
|[[Legion (Novel)|Legion]] Part One, Part Two Chapter One <!-- Ullanor -8 months, heresy -2 years -->
 
|[[Legion (Novel)|Legion]] Part One, Part Two Chapter One <!-- Ullanor -8 months, heresy -2 years -->
 
|-
 
|-
Line 466: Line 487:
 
|[[The Horus Heresy Book One - Betrayal]] pg. 40
 
|[[The Horus Heresy Book One - Betrayal]] pg. 40
 
|-
 
|-
|The [[Hrud]] cripple the 51st Expeditionary Fleet in an Imperial effort to purge them from the Sak'trada Deeps.
+
|[[Sak'trada Deeps Campaign]] - The [[Hrud]] cripple the 51st Expeditionary Fleet in an Imperial effort to purge them from the Sak'trada Deeps.
 
|[[Perturabo: The Hammer of Olympia (Novel)|Perturabo: The Hammer of Olympia]]
 
|[[Perturabo: The Hammer of Olympia (Novel)|Perturabo: The Hammer of Olympia]]
 
|-
 
|-
Line 474: Line 495:
 
|The [[Xantriss Insurrection]]
 
|The [[Xantriss Insurrection]]
 
|[[The Horus Heresy Book Seven - Inferno]] pg.93
 
|[[The Horus Heresy Book Seven - Inferno]] pg.93
 +
|-
 +
|[[World Prince Campaign]]
 +
|[[Praetorian of Dorn (Novel)]] — ''Brothers of War''
 
|}
 
|}
  

Revision as of 20:01, 5 July 2020

See Also: Battles of the Great Crusade (List)

Year Event Source
ca. M30-M31 Eldar foreseeing the dark future for their race refit their starships into Craftworlds and leave the heart of their empire. Codex: Dark Eldar (5th Edition) pg. 20
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).
Codex: Space Marines (3rd Edition) pg. 47; Codex: Dark Angels (4th Edition) pg. 73
350.M30 Karis Cephalon rediscovered during the Great Crusade. White Dwarf 258 (US)/259 (UK), pg. 61
540.M30 The Lucien Mechanicum founds an outpost on Mezoa. The Horus Heresy Book Four - Conquest pg. 66
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. Imperial Armour Volume Twelve - The Fall of Orpheus pg. 16
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. Tales of Heresy: The Last Church
ca. 745.M30 The Last church of Terra - The Emperor of Mankind has the last church on Terra, the Church of the Lightning Stone, destroyed after speaking with the last priest. Ibid.
748.M30 The Invincible Reason begins her service in the Imperial fleet. Descent of Angels Chapter Eighteen
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. Codex: Eldar (4th Edition) pgs. 4-5; Codex: Dark Eldar (5th Edition) pg. 20; The First Heretic Chapter Seventeen; The Horus Heresy Book Two - Massacre pg. 14
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. False Gods Chapter Fourteen; The First Heretic Chapter Seventeen
An Eldar craftworld crashes on Typhon Primaris. The jungle eventually claims it and it will be lost for ten thousand years. Warhammer 40,000: Dawn of War II - Retribution
ca. 780.M30 Creation of the gene-seed - The Emperor's geneticists refine the creation of the gene-seed that will allow him to create the Space Marine Legions. The First Heretic Chapter Seventeen
First Founding- The Emperor uses DNA samples from the Primarchs to create twenty Space Marine Legions. Grabya's Theorem demonstrates how Primarch genetic data could be used to stabilize genetic development of Space Marines. 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. Codex: Space Marines (3rd Edition) pg. 47
ca. M30 Construction of the Astronomican - 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
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. The Horus Heresy Book Three - Extermination pg. 155
792.M30 Perturabo estimates he is born around this time. Perturabo: The Hammer of Olympia (Novel) Chapter Seven
798.M30 Warp-dilated horologs state that the Great Crusade begins around this time.

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

Horus Rising Chapter One; Warhammer 40,000 6th Edition Rulebook pg. 168; Codex: Imperial Knights (6th Edition); Magnus the Red: Master of Prospero (Novel) Chapter 1
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. Evidence of occultism within the gene-cults is sequestered in the Imperial Dungeon. The Horus Heresy Book One - Betrayal, pgs. 80-81; The Horus Heresy Book Eight - Malevolence pg. 12
Battle of Neptune (Liberation of the Sol System) The Horus Heresy Book Eight - Malevolence pg.114
Unheard War (Liberation of the Sol System) The Horus Heresy Book Three pg.74-75
799.M30 On Olympia, Perturabo is brought before Dammekos, the Tyrant of Lochos. Perturabo: The Hammer of Olympia (Novel) Chapter One
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. The Horus Heresy Book Eight - Malevolence pg. 12
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. The Horus Heresy Book Eight - Malevolence pg. 12
800.M30 Molorian Revolt The Horus Heresy Book Seven - Inferno pg. 92
803.M30 Astartes of the XV Legion first begin to express psychic powers, followed shortly by the flesh-change. A Thousand Sons Chapter Twenty-Two
Discovery of the Paramar system - The rogue trader Hel DeAniasie catalogues the trinary Paramar system. The Horus Heresy Book Three - Extermination pg. 19
804.M30 The Nephritil and Ayurnas wipe out the Mohindas 11th. Mark of Calth: Unmarked
ca. 805.M30 The Emperor arrives on Mars. Mechanicum Chapter 1.03
The Primarchs 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
The Emperor of Mankind comes to Cthonia and recruits Horus to lead the XVI Legion. The facts of the events are lost to the fog of the ages. Index Astartes: Black Legion; The Horus Heresy Book One - Betrayal pg. 67
Luther finds a feral child in the forests of Caliban and names him Lion El'Jonson (The Lion, Son of the Forest). Descent of Angels Prologue
806.M30 The Dark Eldar Kabal of the Shrieking Heart begins raiding Antimon around this time. Tales of Heresy: Wolf at the Door
Compliance of the Osiris Cluster - The eleven star systems comprising the Osiris Cluster are brought to Compliance. The Horus Heresy Book Five - Tempest pg. 73
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. The Horus Heresy Book Two - Massacre pgs. 65-66
Siege of Reillis - Index Astartes IVSons of Horus
Recruitment of Leman Russ - The Emperor comes to Fenris and recruits Leman Russ to lead the 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."

[Conflicting sources]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: Wolf at the Door
ca. 810.M30 Recruitment of Ferrus Manus - 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. The Horus Heresy Book Two - Massacre pg. 66
ca. 810-835.M30 Wheel of Fire Campaign Wolfsbane (Novel) Chapter 9
813.M30 Mezoa becomes a Forge World of the Adeptus Mechanicus. The Horus Heresy Book Four - Conquest pg. 66
823.M30 Incident of Bezant/Bezantine Oath - First case of the Flesh Change within the Thousand Sons Legion. The Horus Heresy Book Seven - Inferno pg.11
824.M30 Rogue trader Vaspperly Elgin makes contact with the pre-industrial remnant human inhabitants of Lethe. Ibid. pg. 73
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. The Horus Heresy Book One - Betrayal pg. 103
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. Index Astartes: Emperor's Children; The Horus Heresy Book One - Betrayal pg. 104; The Horus Heresy Book Three - Extermination pg. 80
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 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. 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.
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. Index Astartes: Imperial Fists; The Lightning Tower; The Horus Heresy Book Three - Extermination pg. 60; Praetorian of Dorn Gift of the Father
Recruitment of Fulgrim - The 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. Index Astartes: Emperor's Children; The Horus Heresy Book One - Betrayal pg. 104
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. Descent of Angels Prologue, Book Two, Book Three
ca. 840.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. The Horus Heresy Book Five - Tempest pg. 75, 96
840.M30 Pride of the Emperor's keel is laid down in the Jupiter shipyards. Fulgrim Chapter Two
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. Magnus the Red: Master of Prospero (Novel) Chapter 2
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 IV Legion expend nearly all of their front-line forces during the liberation of Incaladion. The Horus Heresy Book Three - Extermination pg. 102
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. The Horus Heresy Book Six - Retribution pg. 60
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. The Horus Heresy Book Eight - Malevolence pg. 119
ca. 845.M30 Teghar Campaign - The IX Legion brings the Teghar system to Compliance. Sanguinius renames his legion the Blood Angels. The Horus Heresy Book Eight - Malevolence pgs. 120-121
Vulkan leads Nocturne's defenders against Eldar raiders. Index Astartes: Salamanders
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. Descent of Angels Book Four; The Horus Heresy Book Eight - Malevolence pg. 12
Luther and five hundred Dark Angels battle-brothers are sent back to Caliban to train new recruits. Fallen Angels Prologue
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. The Horus Heresy Book Three - Extermination pg. 109-110; Magnus the Red: Master of Prospero (Novel) Chapter Two; Perturabo: The Hammer of Olympia (Novel) Chapter Sixteen
ca. 850.M30 Discovery of Chrysis - The Knight World Chrysis is rediscovered. House Krast of this planet joined to Imperium Codex: Imperial Knights (6th Edition), The Knightly Houses/
White Dwarf September 2016, The Ultimate Guide to... Imperial Knights - M30-31
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. Magnus the Red: Master of Prospero (Novel)
856.M30 Lorgar's six-year civil war/crusade ends with the unification of Colchis under his rulership. The First Heretic Chapter Ten
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. Ibid.; Index Astartes: Word Bearers; Aurelian Prologue; The Horus Heresy Book Five - Tempest pg. 16
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. The Horus Heresy Book Eight - Malevolence pg. 12
Recruitment of Konrad Curze - The 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. Index Astartes: Night Lords; Shadows of Treachery: Prince of Crows Chapter Six
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. Index Astartes: White Scars; Brotherhood of the Storm Part I; Warhawk of Chogoris Chapter 1
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
865.M30 Orks invade Rennimar shortly after the Imperial Fists bring the world to Compliance. Praetorian of Dorn Lord of Conquest
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. The Horus Heresy Book Eight - Malevolence pg. 12
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. The Imperial Truth: The Devine Adoratrice; Vengeful Spirit Chapter 2
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. Leman Russ: The Great Wolf
876.M30 Compliance of Zavarich - The 611th Expeditionary Fleet bloodlessly brings Zavarich to Compliance. The Horus Heresy Book Four - Conquest pg. 68
881.M30 Emancipation of Drune The Horus Heresy Book Eight pgs. 150–152
ca. 885.M30 Recruitment of Mortarion - The 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. Index Astartes: Death Guard; The Horus Heresy Book One - Betrayal pg. 122
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. The Horus Heresy Book Three - Extermination pg. 82, The Horus Heresy Book Five - Tempest pg. 96
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. The Horus Heresy Book Two - Massacre pg. 117
891.M30 Crisis of the Hungering Gyre. 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. The Horus Heresy Book Four - Conquest pg. 71
897.M30 Moab becomes an Imperial world upon installation of an Imperial governor. Ibid. pg. 67
Numinal is colonized to secure the Coronid Reach's transport and navigation channels. Ibid. pg. 75
899.M30 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. The Horus Heresy Book Five - Tempest pg. 97
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. A Thousand Sons, Chapter 1, pgs. 23-24
902.M30 The Iron Warriors 3rd and 118th Grand Battalions suffer 65% casualties in the subjugation of Kaldorax Aleph. The Horus Heresy Book Three - Extermination pg. 251
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. The First Heretic Chapter One
907.M30 Recruitment of Angron - Angron-Thal'kr disappears on the eve of the Battle of Desh'elika Ridge, teleported to the Emperor of Mankind's ship. Nucerian 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. Index Astartes: World Eaters; Betrayer Chapter Eighteen; Tales of Heresy: After Desh'ea
921.M30 Battle of Keylek - The Luna Wolves exterminate the keylekid xenos. Horus Rising Part One Chapter Nine
926.M30 Vlorlath Srader is established within the Manachean Commonwealth after the region's Compliance. The Horus Heresy Book Four - Conquest pg. 72
ca. 927.M30 Cryptosi Purgation. The Horus Heresy Book Three - Extermination pg. 94
Mark II Legiones Astartes power armour is considered largely obsolete by this time. Ibid.
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 Horus Heresy Book Three - Extermination pg. 251
942.M30 Gethsamaine is colonized. The Horus Heresy Book Four - Conquest pg. 67
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. Horus Rising Part Two Chapter Three; False Gods Part One Chapter One, Three, Seven
The two unknown legions are removed from Imperial records and the Primarchs swear oaths to never speak of them again. The First Heretic Chapter Ten
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. Index Astartes: Raven Guard; Deliverance Lost Chapter Nine
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." The Horus Heresy Book Three - Extermination pg. 251
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. The First Heretic Chapter Two - Four, Nine; Know No Fear; The Horus Heresy Book Two - Massacre pg. 19
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. The First Heretic Chapter Seven, Eight; Tales of Heresy: Scions of the Storm
965.M30 The Space Wolves participate in a classified action. The Horus Heresy Book Two - Massacre pg. 19
966.M30 Discovery of Cadia - Cadia is entered into the Carta Imperialis. Ibid.
967.M30 Lorgar takes his pilgrimage to the Eye of Terror and comes out a prophet of the Chaos gods. The First Heretic Part Two; Aurelian Part Two
969.M30 The Space Wolves participate in a classified action. The Horus Heresy Book Two - Massacre pg. 19
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. Angels of Caliban Prologue
972.M30 Farinatus Extermination - The Night Lords and Raven Guard participate in the Farinatus Extermination. The Horus Heresy Book Two - Massacre pg. 19
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 Dwell is brought to Compliance. Age of Darkness: Little Horus
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.

[Conflicting sources] The Horus Heresy Book Three - Extermination pg. 86 claims that this account is false.

Index Astartes: Alpha Legion
981.M30 The Luna Wolves exterminate the artificially-intelligent overseers of Dahinta. Horus Rising Part One Chapter Nine
Alpharius assumes command of the Alpha Legion. The Horus Heresy Book Two - Massacre pg. 19
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. The Horus Heresy Book Three - Extermination pg. 251
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.

[Conflicting sources] The Index Astartes article puts the Cheraut incident in 7232826.M29.

The Horus Heresy Book Two - Massacre pg. 19, 98; Index Astartes: Night Lords; The Dark King
986.M30 The Alpha Legion is assigned to exterminate the Ak'Haireth from Segmentum Solar The Horus Heresy Book Three - Extermination pg. 102
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. Ibid. pgs. 102-103
Compliance of Indra-sul - The Raven Guard exterminate the Khrave occupying Indra-sûl. Ibid. pg. 152
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. Horus Rising Part One Chapter Nine; False Gods Chapter Thirteen
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. Galaxy in Flames Chapter Three; Flight of the Eisenstein Chapter Four; Deliverance Lost Chapter One; The Horus Heresy Book One - Betrayal pgs. 38-39; The Horus Heresy Book Two - Massacre pg. 19
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. Tales of Heresy: Wolf at the Door
998.M30 The Imperial military fights the orks of Charhack for the Pargor Hith system. The Horus Heresy Book One - Betrayal pg. 40
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. Fear to Tread Prologue
Ullanor Crusade. The Emperor of Mankind leads the Luna Wolves, Ultramarines, and millions of Imperial Army elements against the ork warboss Urlakk Urg's empire in the Ullanor sector. A Thousand Sons Chapter One
Battle of the Mountain - The Thousand Sons bring Twenty-Eight Sixteen (Aghoru) to Compliance in a three-month endeavour. A Thousand Sons Book One
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. Legion Part One, Part Two Chapter One
Earliest estimated timeframe in which Imperial governor Vardus Praal of Isstvan III forsakes his oath to the Imperium. The Horus Heresy Book One - Betrayal pg. 40
Sak'trada Deeps Campaign - The Hrud cripple the 51st Expeditionary Fleet in an Imperial effort to purge them from the Sak'trada Deeps. Perturabo: The Hammer of Olympia
The Pacification of the Ark Reach Cluster The Horus Heresy Book Seven - Inferno pg.10
The Xantriss Insurrection The Horus Heresy Book Seven - Inferno pg.93
World Prince Campaign Praetorian of Dorn (Novel)Brothers of War


M29 Timeline M31

Trivia

Conflicting sources

See directly at the marked entries.