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Death of Valens

Two-thirds of the Eastern army were killed, according to Ammianus, putting an end to 16 divisions. Valens was among the casualties.

Some 20,000 of 30,000 men were killed, including Emperor Valens. The decisive Visigoth victory at the Battle of Adrianople left the Eastern Roman Empire nearly defenseless and established the supremacy of cavalry over infantry that would last for the next millennium.
Combatants: Byzantine Empire