This category contains all pages related to the battles and other events of the great galactic civil war of the early 31st Millennium known as the Horus Heresy.
All items (29)
- Schism of Mars
- Scouring of the Ollanz Cluster
- Shadow Crusade
- Siege of Epsilon-Stranivar IX
- Siege of Terra
- Signus Campaign
- Signus Prime
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