Battle of Wadi al-Khaznadar
1299 CE.
Shown on the map at 34.737°, 36.716°.
The Battle of Wadi al-Khaznadar, also known as the Third Battle of Homs, was a Mongol victory over the Mamluks in 1299.
Text from the Wikipedia article Battle of Wadi al-Khaznadar, licensed CC BY-SA 4.0.