Battle of Pteria
546 BCE.
Shown on the map at 39.917°, 35.333°.
The Battle of Pteria (Ancient Greek: Πτερία) was fought in 547 BC between the Persian forces of Cyrus the Great and the Lydian forces of Croesus. Both armies suffered heavy casualties in this indecisive battle.
Text from the Wikipedia article Battle of Pteria, licensed CC BY-SA 4.0.