Battle of Leontion
216 BCE.
Shown on the map at 38.120°, 21.792°.
The Battle of Leontion in 217 BC was the last battle of the Social War, fought between the Achaean League and the Aetolian League. The battle is mentioned by the historian Polybius and by the Achaean poet Damagetus, who calls it the "Battle at the Achaean Trench".
Text from the Wikipedia article Battle of Leontion, licensed CC BY-SA 4.0.