The Age of Strife

M28

First Founding

780.M30

The Great Crusade

789-999.M30

The Horus Heresy

004-014.M31

The Great Scouring

015.M31

The Iron Cage

M28

The Age of Strife

M31

The Codex Astartes

021.M31

Battle of Thessala

121.M31

The Forgotten Wars

580.M31-635.M32