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{{main|Hive Fleet Naga}}The [[Ybaric Cluster]] worlds of the Uluméathic League would be ravaged by the [[Tyranid]] [[Hive Fleet]] [[Naga]]. Beginning its invasion in 801.[[M41]], four of the Uluméathic outer colonies colony worlds were devoured in a matter of days while [[Genestealers]] managed to stowaway on fleeing refugee ships, leading to a Genestealer infestation on the [[Varryean Space Docks]] space docks.{{Fn|2a}} Several other minor alien races were devoured on the edges of Ulumeathi space in 807.M41, but Naga's advance doesn't noticeably slow. In 809.[[M41]], the throne world of the Uluméathic League was devoured by the advancing Tyranids and the remaining Uluméathi colony worlds declared a state of quarantine. Fortunately for the Uluméathi, [[Eldar]] forces from the [[Malan'tai]], [[Iyanden]], and [[Idharae]] [[Craftworlds]] managed to destroy the Hive Fleet by 812.M41.{{Fn|2b}} In light of the devastation suffered by the [[Uluméathic League]] it is unlikely they will pose anywhere near the same threat that they did before the arrival of the Hive Fleet. Indeed, it seems humanity considers the Uluméathic all but destroyed by the end of the [[M41|41st Millennium]].{{Fn|3}}