Eras
Discover the defining ages of the Imperium, from the Great Crusade to the Indomitus Crusade.
The War Begins by Eduardo González Dávila
The Great Crusade & Horus Heresy
M30–M31
Covers the Emperor's reconquest of humanity, the betrayal of Horus, and the cataclysmic civil war that ends the dream of a unified Imperium.
Between Post-Heresy & Classic 40k
M31–M40
Spanning the long millennia between the Heresy and the modern era.
Classic 40k
M41
The hallmark setting of Warhammer 40,000. Countless wars rage across a decaying galaxy ruled by a dying god.
Post Rift (Modern 40k)
M42
After the formation of the Great Rift divides the galaxy in two, Roboute Guilliman launches the Indomitus Crusade to reclaim the Imperium.