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Outer Colonies

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The Outer Colonies are the human-colonized planets farthest from the Inner colonies such as Earth and Reach, with colonies founded after. Until the Human-Covenant war, disorder and rebellion were commonplace. By 2531, the majority of the Outer Colonies had been glassed by the Covenant.[1]


Beginning in 2525, Harvest was the first world to fall to the Covenant's genocidal wrath. In 2535, after ten years of war, most of the Outer Colonies had been lost, with Jericho VII being among the last major ones to fall. By 2552, though some Outer Colonies still remained in UNSC hands (mostly remote outposts), most were small and rather insignificant worlds. The few significant colonies still under UNSC control lived in constant fear of Covenant invasion. Some of the remaining colonies were bases for outlaws. By the time the Human-Covenant war ended on March 3, 2553, tensions in the remaining worlds had presumably died down significantly, however some colonies refused to negotiate with the UNSC and Venezia did not allow a UNSC ship to land, thus leading to the UNSC ships destruction, which then Captain Osman vowed to avenge.

Known systemsEdit

Unknown System



  1. Halo: First Strike, pages 98-99: And what did the citizens of the Outer Colonies think? Those who hadn't fled to remote outposts and hidden privateer bases weren't in any position to make trouble. The Covenant didn't take prisoners.

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