Battle of Ulmor

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Tyranids Portal

The Battle of Ulmor began in 945.M41 when the Ultramarines Chapter pursued Hive Fleet Locust to the Imperium world Ulmor, which had already been invaded by the Tyranids. The Ultramarines were victorious in the battle, but Ulmor was left devastated and most of its population had been consumed.^[1]

Sources

• 1: Index Astartes: Apocrypha, pg. 27