The Thousand Sons and Magnusunbroken chronology · time runs left to right
853.M30900.M30950.M30000.M31date uncertain050.M31250.M31450.M31650.M31date uncertain784.M31date uncertain
≈17 years compressed
≈47 years compressed
≈85 years compressed
M30 / M31
M31 / M32
M32 / M33
The Great Crusade's Primarch CampaignsApproximately 30700–31005 · 2
Nikaea and the Prospero PreludeBefore the Heresy · 1
Prospero: The Road to the BurningApproximately 30930–31005.3 · 1
The Aftermath of the Burning of ProsperoApproximately 31005–31006 · 1
The Crimson King ArcApproximately 31009–31010 · 2
Terra's Immediate Preparations for the SiegeLate 013.M31 — immediately before day 000.014.M31 · 1
Magnus and Ahriman return to TizcaReturn to Tizca after Ahriman: The Crimson King and before the Siege of Terra; exact date unknown · 1
The Siege: Immediately after SaturnineFury of Magnus immediately after Saturnine and before Mortis; no exact day is claimed · 1
The Siege: The End and the Death, and the Frozen Final HoursApproximately days 588–593.014.M31; time does not resume until Horus's death · 1
The Legion Wars and the birth of the Black LegionAfter Extinction and before the First Black Crusade; exact year unknown · 2
The First Black CrusadeAround 781–785.M31 · 2
Battle of the FangM32; exact year not established · 1
After the First RubricAfter the First Rubric; before Ahriman's exile, exact year unknown · 1
Ahriman's exile and escape from the EyeLate M32–early M33 by broad placement; exact year unknown · 7
Ahriman's Return to ProsperoAfter Sorcerer; exact Imperial year unknown · 1
The return to Prospero and the Second RubricAfter Sorcerer; exact Imperial year unknown · 2
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