Changes

*[[M1]] - The '''[[Age of Terra]]''' (also called the '''Golden Age''') begins.{{CMEFn|3}}

*[[M30]] - The [[Fall of the Eldar]], the birth of [[Slaanesh]], and the formation of the '''[[Eye of Terror]]''' occurs. The '''Ages of Strife''' ends. The '''[[Unification Wars]]''' occur. The '''[[Great Crusade]]''' begins.{{CMEFn|1}}*[[M31]] - The '''[[Great Crusade]]''' ends. The '''[[Horus Heresy]]''' occurs. The first '''[[Age of the Imperium]]''' era, the '''[[Age of Rebirth]]''', begins.{{CMEFn|1}}*[[M32]] - The '''Age of Rebirth''' ends. '''[[The Forging]]''' begins.{{CMEFn|3}}

*[[M35]] - '''The Forging''' ends. The '''[[Nova Terra Interregnum]]''' begins.{{CMEFn|3}}*[[M36]] - The '''Nova Terra Interregnum''' ends. The '''[[Age of Apostasy]]''' begins.{{CMEFn|3}}*[[M37]] - The '''Age of Apostasy''' ends. The '''[[Age of Redemption]]''' begins.{{CMEFn|3}}*[[M38]] - The '''Age of Redemption''' ends.{{CMEFn|3}}*[[M39]] - '''[[The Waning]]''' begins.{{CMEFn|3}}

*[[M41]] - '''The Waning''' ends. The '''[[Time of Ending]]''' occurs. The '''[[Great Rift]]''' is formed. The '''[[Age of the Dark Imperium]]''' begins.{{CMEFn|4}}

*{{Endn|1}}: [[Warhammer 40,000 6th Edition Rulebook]], pgpgs. 166-167