Since the Warhammer 40k verse has an insane amount of lore, what is probably the easiest way to explain about the reason of the current state of the Imperium of Man to
A Warhammer 40k Timeline Fix – Scott's Game Room
40K Lore For Newcomers - The Warhammer 40,000 Timeline: M42 Part 1 - 40K Theories - YouTube
Full Horus Heresy Series Timeline Interactive Chart : r/40kLore
Warhammer 40K: Codex Release Timeline Roadmap - Bell of Lost Souls
Warhammer Map Update – Timeline – jambonium.co.uk
Warhammer 40,00 Timeline by Chris Copeland
Warhammer Map Update – Timeline – jambonium.co.uk
Warhammer 40,000: A timeline | The Star
40K Timeline : r/Warhammer40k
40K Lore For Newcomers - The Warhammer 40,000 Timeline: Prehistory - M30 - 40K Theories - YouTube
Dawn of Fire: Revealed! - Warhammer Community
Black Library: 'New 40k' Reading List – Track of Words
Thousand Sons timeline [UPDATED] : r/ThousandSons
Timeline of the Warhammer 40,000 Universe | Warhammer 40k Wiki | Fandom
Interesting timeline of GW's finances correlated to major releases - /r/ warhammer : r/Warhammer40k
Sciror vs 40K Timeline « Philip Sibbering
Example, Imperial Guard, Painting, Timeline, Warhammer 40,000, Warhammer Fantasy - Proof Of Practice - Gallery - DakkaDakka | Roll the dice to see if I'm getting drunk.
5 Clues That Sanguinius Will Get a Model In FEB
Major events in the Warhammer 40,000 timeline | PC Gamer
Black Library: 'New 40k' Reading List – Track of Words