{|align=center border="1" cellpadding="5" cellspacing="0"

|style=background:#4F4F4F align=center|'''Year'''

|The [[Blackstar Crusade]]. [[Chaos]] forces emerge from the [[Eye of Terror]] to mount a crusade into the [[Ganglax Sector]]. [[Khorne]] champion [[Ekrak]] conquers [[M'laan XIII]] and turns it into a [[Daemon World]].

|[[White Dwarf 246 (UK)]] pg. 64

|-

|001.M34

|The [[Terrorforming of Atasca IV]] is carried out.

|[[Codex: Skitarii (7th Edition)]], ''The March of Time''

|-

|101.M34

|In the Hour of Shadow, [[Chapter Master]] [[Khardin Gol]] of the [[Black Wings]] and numerous Imperial lords are assassinated, plunging [[Lorin Alpha]] into civil war. The Black Wings pursue the [[Tenebrae]] Chaos renegades into the [[Veiled Region]].

|[[Imperial Armour Volume Two - Second Edition: War Machines of the Adeptus Astartes]] pg. 17

|-

|216.M34

|The [[Trachesai Massacre]]. [[Blood Angels]] [[Devastator Squad]]s are noted to rush the enemy to engage in close combat.

|[[Index Astartes II]]: [[Blood Angels]]

|-

|The [[Grand Hunt]]. [[House Raven]] and [[Skitarii]] fight [[Eldar]] [[Exodite]]s and [[Craftworld]] [[Biel-Tan]] on [[Geminex]]. After securing every bit of hard data they can the Skitarii withdraw, leaving the [[Knight]]s of House Raven to their doom.

|[[Codex: Skitarii (7th Edition)]], ''The March of Time''

|-

|401.M34

|Following the campaigns that are later called the [[Berillia Massacres]], the Shining Blades' methods are called into question. They attack their allies and the [[Red Scorpions]] are sent to bring them to justice. The Shining Blades reveal their true allegiance to [[Slaanesh]] in the ensuing war and declare themselves the [[Flawless Host]].

|[[Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned]] pg. 21

|-

|ca. 500.M34

|The Eighth [[Founding]]. Space Marine Chapters created in this Founding include the [[Mantis Warriors]] and the [[Angels Revenant]].

|[[Imperial Armour Volume Ten - The Badab War - Part Two]] pg. 64; [[Imperial Armour Volume Twelve - The Fall of Orpheus]] pgs. 32-33

|-

|600-730.M34

|The first sighting of a [[Warp Star]] after a fierce storm bursts out from the [[Eye of Terror]].

|[[Warhammer 40,000 6th Edition Rulebook]], pg. 170

|-

|764.M34

|[[The Shattering]]. [[Craftworld]] [[Lugganath]] comes under vicious attack from a psychically-shielded fleet of the [[Emperor's Children]].

|[[Codex: Chaos Space Marines (6th Edition)]] pg. 22

|-

|843.M34

|The Imperial frigate ''Hand of Mercy'' responds to a faint distress call originating from [[Grendel's World]]. There they find the entire planet dead, the work of the [[Night Lords]]. Observations of the genocide lead to an understanding of how the Night Lords operate.

|[[Index Astartes]]: [[Night Lords]]

|-

|934.M34