Battle of Vingeanne
51 BCE.
Shown on the map at 45.708°, 3.125°.
The Battle of the Vingeanne was a mainly cavalry engagement between Roman legions under the command of Gaius Julius Caesar and the coalition of Gaulic tribes led by Vercingetorix. It occurred near the river of Vingeanne. It was one of the major battles of the Gallic Wars and was won by the Romans.
Text from the Wikipedia article Battle of the Vingeanne, licensed CC BY-SA 4.0.