Battle of Bergen
1759 CE.
Shown on the map at 50.155°, 8.753°.
The Battle of Bergen on 13 April 1759 saw the French army under de Broglie withstand an allied British, Hanoverian, Hessian, Brunswick army under Prince Ferdinand of Brunswick near Frankfurt-am-Main during the Seven Years' War.
Text from the Wikipedia article Battle of Bergen (1759), licensed CC BY-SA 4.0.