Heresy - Timeline

First Battle of Olympia

Council Of Nikaea

Council of Ctesiphon

Construction of the Cathedral of Ctesiphon/ Primus Cathedral begins

Destruction and rebuilding of Olympia

Arrival of the Thousand Sons, Salamanders, White Scars-Traitors

Arrival of the Word Bearers, Imperial Fists, Iron Hands- Loyalists

Arrival of Sanguinius, Truce of Lochos

Sanguinius Departs for the Vengeful Spirit

Horus orders loyalists on campaign, confers with Terra

Arrival of Sanguinius & Horus, second battle of Olympia

Lion'el Jonson arrives, assumes command of Loyalist Forces

Retreat of Traitors from Olympia, Purge of Olympia

Iron Warriors, Thousand Sons, White Scars, Blood Angels, Sons of Horus arrive at Isstvan V

Arrival of Dark angels, Space Wolves, Raven Guard, Iron Hands, Word Bearers, Ultramarines, Alpha Legion at Isstvan V

Arrival of World Eaters, Death Guard at Isstvan V

Death of Alpharius

Ferrus Manus rendered Comatose by Perturabo