History of the Imperium. Part 2: The Great Crusade

The Great Crusade was Emperor of Mankind vision, a mighty endeavor to bring all of humanity's lost worlds back into the fold of the Imperium. The Adeptus Astartes, the Emperor's genetically engineered super-soldiers, were the tip of the spear in this crusade, leading the charge against the Emperor's enemies. But as the crusade swept across the galaxy, the seeds of corruption and betrayal began to take root. 00:00 - The Unification Wars 00:37 - Thunder Warriors 02:29 - The Unification Wars 06:05 - The Imperial Truth 09:44 - Creation of Space Marine Legions and the Imperial Army 10:49 - The Primarchs 12:49 - Expedition Fleets 13:57 - The Iterators 16:34 - The Ullanor Crusade 19:25 - The Imperial Warmaster Horus 21:05 - Webway. Magnus the Red 22:40 - The Cleansing of Laeran. Corruption of Fulgrim