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Lethe (planet)

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Map Basic Data Planetary Image
px Name: Lethe Unknown.jpg
Segmentum: Segmentum Obscurus
Sector: Coronid Deeps[1a]
Subsector: Unknown
System: Unknown
Population: Unknown
Affiliation: Imperium
Class: Former Adeptus Astartes Homeworld[2]
Tithe Grade: Unknown

Lethe is an Imperial world of the Coronid Deeps region of space.[1a]


By the time of its discovery by the Imperial Rogue Trader Vaspperly Elgin in the Great Crusade, the world was dominated by a decayed pre-industrial civilization that had arisen during the Age of Strife. The mist-shrouded and river-filled world was used as an early staging point in the Great Crusade. By the Horus Heresy, it was undeveloped and lightly populated but still home to several famous light infantry cohorts of the Imperial Army.[1a] In the civil war, it became one of the battle sites of the Manachean War. The loyalist Death Eagles Blackshields clashed with the Emperor's Children on the planet.[1b]

Lethe was occupied by Chaos forces during the 12th Black Crusade, but eventually liberated by the White Consuls under Captain Palatine.[3]

At some point in late M41, Lethe became home to the Flame Falcons Space Marine Chapter before they went renegade.[2]

See also