Battle of Héricourt
1474 CE.
Shown on the map at 47.583°, 6.767°.
The Battle of Héricourt was fought on 13 November 1474 near Héricourt, Burgundy, as part of the Burgundian Wars. It resulted in victory for the Swiss Confederacy and its allies over the Burgundian State.
Text from the Wikipedia article Battle of Héricourt, licensed CC BY-SA 4.0.