Battle of Hazir
637 CE.
Shown on the map at 35.996°, 37.057°.
The Battle of Hazir or Ma'arakah al-Haadhir (Arabic: معركة الحاضر) took place between the Byzantine army and the Rashidun army's elite cavalry, the Mobile guard. It took place in June 637, three miles east of Qinnasrin at Al-Hadher in present-day Syria.
Text from the Wikipedia article Battle of Hazir, licensed CC BY-SA 4.0.