Battle of Antioch on the Meander
1211 CE.
Shown on the map at 37.873°, 28.574°.
The Battle of Antioch on the Meander (also known as the Battle of Alaşehir) was a military engagement near Antioch-on-the-Meander between the forces of the Empire of Nicaea and the Seljuk Sultanate of Rûm. The Turkish defeat ensured continued Nicaean hegemony of the Aegean coast of Asia Minor. The Seljuk sultan, Kaykhusraw I, was killed on the field of battle. The battle took place near the modern town of Yamalak in Kuyucak district in Aydın Province.
Text from the Wikipedia article Battle of Antioch on the Meander, licensed CC BY-SA 4.0.