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378 Event

August 9

Visigoths Destroy Roman Army: Emperor Valens Killed

Visigoth cavalry encircled and annihilated a massive Roman army at Adrianople, killing Emperor Valens and over half his troops in the deadliest Roman military defeat in four centuries. The catastrophe exposed the empire's inability to contain migrating Germanic peoples and accelerated Rome's reliance on barbarian federates for its own defense.

August 9, 378

1648 years ago

What Else Happened on August 9

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