| Year
| Event
| Source
|
|
| Space Wolves base, the Fang, attacked by Magnus the Red and Thousand Sons as revenge for the destruction of Prospero.
| Space Wolf (Novel Series) by William King
|
|
| Temple of the Savior Emperor recognized as the official religion of the Imperium, given the title of Adeptus Ministorum.
|
|
|
| The surving Loyalist Primarchs reportedly die or disappear in this millennia.
|
|
| 200.M32
| Ecclesiarch Veneris II becomes a High Lord of Terra.
|
|
| 243.M32
| Inquisitor Damakso first postulates that Chaos gods must use mortals to manifest their power in the physical universe.
| White Dwarf 259
|
| 500.M32
| Ecclesiarch becomes a permanent position on the High Lords of Terra.
|
|
| 544.M32
| 'The Beast Arises'.
| Warhammer 40,000 5th Edition Rulebook
|
| 546.M32
| 'The Beheading': The High Lords of Terra are all slain on the orders of Drakan Vangorich, Grand Master of the Officio Assassinorum. The rogue Master of Assassins is tracked down and slain by a Space Marine strikeforce drawn from the Imperial Fists, Halo Brethren and Sable Swords. Only a single Space Marine survives the campaign.
| Warhammer 40,000 5th Edition Rulebook
|
| 597.M32
| 2nd Black Crusade, a failed attack on the defences of Cadia.
| Liber Chaotica: Khorne, *Codex: Chaos Space Marines (3rd Edition, 1st Codex)
|
| 751.M32
| Rogue Trader Xiatal Parnevue first catalogues Naogeddon from orbit.
| Codex: Necrons (3rd Edition)
|
| 888.M32
| The Astropath Wars.
| Warhammer 40,000 5th Edition Rulebook
|
| 909.M32
| The 3rd Black Crusade of Abaddon the Despoiler begins.
| Codex: Chaos Space Marines (3rd Edition, 2nd Codex)
|
| 910.M32
| 'The Firestorm'
| Warhammer 40,000 5th Edition Rulebook
|
