Battle of Mount Cadmus
1148 CE.
Shown on the map at 37.635°, 29.217°.
The Battle of Mount Cadmus took place near Laodicea at Chonae on 6 January 1148 during the Second Crusade. The French Crusader army, led by Louis VII of France, was defeated by the Seljuks of Rum.
Text from the Wikipedia article Battle of Mount Cadmus, licensed CC BY-SA 4.0.