Battle of Doliana
1821 CE.
Shown on the map at 37.386°, 22.498°.
The Battle of Doliana occurred on 30 May 1821 N.S. during the Greek War of Independence when Greek revolutionaries defeated the forces of the Ottoman Empire at Doliana (today called Ano (upper) Doliana to distinguish from nearby Kato (lower) Doliana) in the Morea province of the Ottoman Empire.
Text from the Wikipedia article Battle of Doliana, licensed CC BY-SA 4.0.