Battle of Issus
194 CE.
Shown on the map at 36.838°, 36.164°.
The Battle of Issus was the third major battle in AD 194 between the forces of Emperor Septimius Severus and his rival, Pescennius Niger, part of the Year of the Five Emperors. The Severan forces, commanded by Publius Cornelius Anullinus, won the battle, and Niger was captured and killed shortly afterwards. A triumphal arch commemorating the Severan victory was erected on the site of the battle.
Text from the Wikipedia article Battle of Issus (194), licensed CC BY-SA 4.0.