Horus Heresy · atlas

Dispute in the canon · 3 positions

The Imperium Secundus window

Positions

  1. Position 1

    The coronation on Macragge — around 009.M31.

    • Lexicanum: Imperium Secundus

  2. Position 2

    Guilliman’s abdication and the breach of the Ruinstorm — closer to 011.M31.

    • The Unremembered Empire / Ruinstorm

  3. Position 3

    The primarchs’ departure was not simultaneous: the Lion, Guilliman and Sanguinius leave Secundus by different routes and at different times.

    • Ruinstorm (David Annandale)

Our position

We hold the window 009.M31 → ~011.M31: the start is the Pharos and the proclamation of Secundus (+28 months from Calth, “Unremembered Empire”), the end is the dissolution and Davin (~011.M31). The dating “014.M31” found at Fandom is an error: 014 is the Siege, not the dissolution.

  • The Unremembered Empire (D. Abnett)
  • Ruinstorm (D. Annandale)

Marks on the map

  • 009.M31 Macragge: The coronation on Macragge — around 009.M31.
  • 011.M31 Macragge: Guilliman’s abdication and the breach of the Ruinstorm — closer to 011.M31.

Events of the dispute

  1. 009.M31 Imperium Secundus Proclaimed Loyalist victory

    With the galaxy cleaved by the Ruinstorm and no word of the Emperor, Guilliman founded a second Imperium centred on Ultramar in order to preserve the Emperor’s legacy.

  2. 011.M31 Guilliman Renounces Imperium Secundus Loyalist victory

    Having received signs that the Emperor was still alive, Guilliman renounced the second Imperium and swore to help Sanguinius return to Terra.

  3. 011.M31 Second Battle of Davin · breach of the Ruinstorm Loyalist victory

    Pressing through the Ruinstorm, the combined fleets of the Ultramarines, Blood Angels and Dark Angels shattered a daemonic host at Davin — the world where Horus had once fallen — and with cyclonic…

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Permalink: https://astart.es/en/disputes/disp-secundus-date/