Battle of Peta
1822 CE.
Shown on the map at 39.167°, 21.030°.
The Battle of Peta or Battle of Petta was fought between the Greeks (with Philhellenes) led by Alexandros Mavrokordatos with Markos Botsaris and the Ottomans led by Omer Vrioni on 16 July 1822 (4 July Julian calendar). The conflict occurred on a hillside near the village of Peta in Epirus.
Text from the Wikipedia article Battle of Peta, licensed CC BY-SA 4.0.