Diamat

Galaxy Portal

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Map	Basic Data		Planetary Image
	Name:	Diamat
	Segmentum:	Ultima Segmentum
	Sector:	Unknown
	Subsector:	Unknown
	System:	Unknown
	Population:	unknown
	Affiliation:	Imperium
	Class:	Forge World
	Tithe Grade:	Unknown

Diamat is a Forge World of the Imperium. During the Horus Heresy, Warmaster Horus moved its Titan Legion, the Legio Gladius, to the galactic south to leave it vulnerable for his upcoming rebellion.^[1]

When word of the Heresy spread, the Dark Angels under Lion El'Jonson led a small force to the world to secure its powerful siege engines against traitor forces. A brief battle broke out between Dark Angels and Horus' forces and both tried to secure the world, one where the loyalists eventually prevailed.^[1]

Sources

• 1: Fallen Angels (Novel), ^{[Needs Citation]}