Battle of Othée
1408 CE.
Shown on the map at 50.721°, 5.465°.
The Battle of Othée was fought between the citizens of Liège and a professional army under command of John the Fearless on 23 September 1408. The militia of Liège suffered a heavy defeat.
Text from the Wikipedia article Battle of Othée, licensed CC BY-SA 4.0.