Timeline

M303M312M320M330M340M350M360M370M380M390M400M410M420

with a year no year (the millennium or century is known)

1 -- Heresy and before (M30-M31) 5

M30 3
  1. The Fall on Varr Thessin Campaigns 902.M30 by The ThornwingsEnemy: Prophet of Varr Thessin Duration: three months Outcome: Victory
  2. The Night of Kessivar Campaigns 931.M30 by The ThornwingsEnemy: Well Cult of Kessivar Duration: seven months Outcome: Victory, 58 brothers fallen
  3. The Grain Halls of Ulmar Campaigns 974.M30 by The ThornwingsEnemy: Granary Cult of Ulmar Duration: five weeks Outcome: Victory, 61 brothers fallen
M31 2
  1. The Battle of the Felsenfurt Campaigns c. 247.M31 by The Flame-BearersEnemy: Waaagh Brüllgatz (primitive Ork scattering) Duration: nine days Outcome: Pyrrhic victory for the Flame-Bearers; Ork tide destroyed, but heavy losses
  2. Siege of Vhelmarr's Southern Province Campaigns c. 842.M31 by The Sanguine ArcanaEnemy: Ork clans, local heretics Duration: three months Outcome: Pyrrhic victory