Entry
The Battle of the Catalaunian Plains — The battle of 451 in which Aetius and the Visigoths stopped Attila in Champagne
Attila had crossed the Rhine, destroyed Metz, spared Paris where Geneviève held firm, and raised the siege of Orléans; the master of the soldiers Aetius, with the Visigothic king Theodoric, caught him on the plain of Champagne. The melee was fierce, and the Huns recrossed the Rhine — the last great battle of the Western Empire, whose exact field no one knows. (Editorial synthesis)
The Battle of the Catalaunian Plains ended in Attila defeated by Aetius and the Visigoths. (source: Encyclopædia Britannica)
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