TIMELINE NOTES FROM THE HORUS HERESY HARDBACK JOURNAL
870.M30
Dulan is brought to compliance, followed by the infamous duel between Leman Russ and Lion El'Jonson that gives rise to their Legions' longstanding feud.
882.M30
Sotha is discovered as Ultramar expands, but the presence of xenos technology at Mount Pharos leads Guilliman to restrict access to the entire planet.
905.M30
Luther is returned to Caliban for unknown reasons, a century before Isstvan III.
944.M30
The compliance of Davin by the 63rd Expedition.
963.M30
The razing of Monarchia by the Ultramarines, to punish Lorgar for his worship of the Emperor.
981.M30
Alpharius, the last primarch, is assigned to his Legion command.
000.M31
Perturabo punishes Olympia by decimating the population.
000.M31
The conclusion of the Ullanor campaign, and the great Triumph where Horus is named as Warmaster and proxy to the Emperor.
000.M31
The Alpha Legion make their accord with the Cabal.
001.M31
The Council of Nikaea forbids the use of Librarian psykers within the Legions.
003.M31
The Luna Wolves become the Sons of Horus.
004.M31
Horus falls on Davin's moon, and is reborn after his healing in the Serpent Lodge.
004.M31
Magnus contacts the Emperor, and Russ is dispatched to Prospero.
004.M31
Horus contacts Sanguinius at the Kayvas Belt, and sends him to the Signus Cluster.
Late 005.M31
The battle on Isstvan III begins.
006.M31
The Eisenstein reaches Terra, with Nathaniel Garro bringing word of Horus' betrayal.
006.M31
The supposedly loyal taskforce of seven Legions, led by Corax, Vulkan and Ferrus Manus, leaves to confront the traitors on Isstvan V.
006.M31
The Mechanicum of Mars rebels against Terra.
566.006.M31
The Dropsite Massacre on Isstvan V begins.
568.006.M31
After the mortally wounded Vulkan is revived, Konrad Curze imprisons him torturing him both physically and mentally.
835.006.M31
Corax and his surviving legionary forces are evacuated from Isstvan V.
108.007.M31
The White Scars are contacted by Russ, who is being harangued at the Alaxxes Nebula by Alpha Legion forces after withdrawing from Prospero, and the Khan learns of the Dropsite Massacre.
Mid 007.M31
Kor Phaeton and the Word Bearers launch their attack on Calth.
Mid 007.M31
The Ruinstorm begins, precipitating a new wave of impenetrable warp storms across the galaxy.
007.M31
Angron and Lorgar begin their Shadow Crusade into Ultramar, after which Angron returns to his home world and is shepherded into daemon princedom by Lorgar.
007.M31
Garro reaches Calth and recruits Tylos Rubio, the first of twenty Knights Errant.
002.008.M31
Captain Ventanus destroys the remaining forces loyal to Hol Beloth on the surface of Calth and banishes the newly ascended daemon prince Maloq Kartho.
Mid-late 008.M31
Garro recovers Loken from Isstvan III, the last of the Knights Errant.
Early 009.M31
Perturabo and Fulgrim join forces in pursuit of the legendary 'Angel Exterminatus'.
290.009.M31
Gherith Arendi and his band of Raven Guard survivors finally escape from Isstvan V after 630 days of guerrilla fighting, having been left behind by their Legion.
Mid 009.M31
Fulgrim ascends to daemonhood and his Legion scatters, leaving the iron Warriors to be sucked into a black hole singularity at the heart of the Eye of Terror.
009.M31
The Thramas Crusade ends disastrously for the Night Lords, with Konrad Curze and many of his officers left aboard the Dark Angels flagship, the Invincible Reason.
787.009.M31
Horus and Mortarion are attacked on Dwell by Shattered Legions forces led by Shadrak Meduson.
906.009.M31
Horus leads his Legion in the invasion of Molech, disappearing after the city of Lupercalia is conquered, only to come back vastly empowered.
Early 010.M31
Sanguinius, having fought all manner of daemons at Signus Prime and now arrived at Imperium Secundus, is named by Guilliman as the new Emperor.
326.010.M31
Tallarn is virus bombed by the Iron Warriors, driving the survivors underground.
Late 010.M31
Vulkan is finally afforded Nocturnean funerary rites, his body cast into Mount Deathfire. Bereft of hope Artellus Numeon follows his primarch into death.
408.011.M31
The Iron Warriors withdraw from Tallarn, prompting the defenders to declare total Imperial victory.
Mid-late 011.M31
The Emperor re-enters the webway before withdrawing his forces and abandoning the project as a failure.
011.M31
The world of Davin is destroyed, the Dark Angels' first act in their judgement upon the galaxy, and the Ruinstorm begins to dissipate.
Late 011.M31
Guilliman renounces Imperium Secundus and vows to aid Sanguinius and the Blood Angels in reaching Terra.
029.012.M31
The Dark Angels destroy Chemos, the home world of the Emperor's Children.
876.012.M31
Leman Russ abandons the Space Wolves counter-attack against the Alpha Legion to attempt to execute Horus.
398.013.M31
The Dark Angels destroy Barbarus, home world of the Death Guard.
120.014.M31
On 'the Thirteenth of Secundus', the Traitor fleet's bombardment of Terra begins, signalling the start of the final siege.
755.014.M31
Emperor teleports His closest warriors to the Vengeful Spirit, Horus slays Sanguinius.
757.014.M31
The Emperor, mortally wounded by Horus, ascends to the Golden Throne.
121.M31
Roboute Guilliman is mortally wounded by Fulgrim at the battle of Thessala.