The First Pacification of Luna (790)
Luna is conquered by the IIIrd, VIIIth and XIVth Legions.
Unity proclaimed on Terra and the Great Crusade is launched (798)
The Liberation of Sol (803)
Eight Space Marine Legions are deployed to destroy the alien “nemesis world” of Sedna. The nascent Imperium's hold on the Sol System is now secure.
The Emperor locates Alaric and Childeric (c. 810)
Kozja Darzalas located on Strela (830)
Icarion found on Madrigal (832)
Razing of Ultymnor (836-7)
The Warbringers and the Novadeka destroy the Eldar “Kingdom of Torment”.
Daer’dd and the Three Fires are discovered (839)
Leonfrik (c. 844) in the Commena Cluster
Ur-Suresh (c. 845) in the Nerska March
The Red Winter of Norodmar (848)
The Iron Bears intervene in a conflict fought by the Knight House Harkon against the Turjuksei witches. The House is subsequently brought into the Imperial fold and a firm alliance cemented between them and the Bears
August Veramn is found by Icarion in southern Segmentum Tempestus (c. 850)
War of the Manglar Horde (862-3)
An enormous Ork Waaagh! attacks the Nerska March, causing great damage before it is destroyed. The Anvil Bearers lead the defence, while the Lightning Bearers, Thunder Talons, House Harkon, Chelica Scorpions and Holothurn Chasseurs are among the relieving forces.
Raktra discovered on Uran (870)
The Mexicatii Debacle (873)
Ixiptlan Travier is located on Mexicatii Prime, but he violently resists his Father’s overture and raises up his blood-cults against the Imperium advance. The Lightning Bearers and Custodians crush the resistance, and Travier is taken into captivity.
Nomus found on Saepio (877)
The Catastrophe on Batu (879)
The Apostles suffer a severe defeat on Batu against an Ork horde, forcing a rescue by the VIIIth Legion and a humiliating retreat.
Travier’s Command (883)
Ixiptlan Travier, renamed Socraes by his father, is formally placed in command of the XIIIth Legion.
Andezo Samedi is found on Mardum (914)
The Scourging of Sarum and the Conquest of the Golgothan Wastes (922-7)
Sarum is relieved by the Lightning Bearers under Susanoo Empyon, but its ruling Redjak Cult are found to be irredeemably corrupted. A brutal battle sees the Forge World destroyed, but the Lightning Bearers are unable to complete the campaign and Socraes Travier is left to finish it in their absence.
The Defeat of the Ligoram Empire (825-7)
Andezo leads a large Imperial armada in the conquest of a powerful human interstellar polity. The victory is emphatic, but conducted with little of the excessive violence which was previously the XXth Legion’s hallmark.
The Gresk Xenocide (M30. 914-5)
The Monarchs of Denaus open the way for a massive offensive into the Loiva Cluster in the Galactic southwest with a campaign against the alien Gresk.
K'awil is located (c. 970)
The Vremalkyr Incursions (c. 970)
The Southern Imperium comes under attack by the Vremalkyr, an alien race of godlike power and unspeakable malevolence. Scores of worlds are ruined, and the homeworld of the Thunder Talons comes under direct assault before the xenos are destroyed.
Participants in the defence:
Thunder Talons (the majority, led by August)
A Chapter or two of the Dream Walkers?
1 other Legion force, not led by the Primarch
Participants in the counter-attack, led by the Emperor:
The Doljen Conquest (c. 980)
Kozja leads a massive Imperial armada, including two other Legions against the sector-spanning Doljen Freehold.
The Triumph and the Emperor's Return to Terra
The Emperor holds a great Triumph for His armies on (TBD). To the surprise of all, He declares his intention to withdraw to Terra and continue His great works there. Yucahu is appointed Warmaster, to lead the Crusade in his father's stead.