Battle of Maniaki
1825 CE.
Shown on the map at 37.076°, 21.773°.
The Battle of Maniaki was fought on May 20, 1825, in Maniaki, Greece (in the hills east of Gargalianoi) between Egyptian forces led by Ibrahim Pasha and Greek forces led by Papaflessas. The battle ended in an Egyptian victory, during which both Greek commanders, Grigorios Papaflessas and Pieros Voidis, were killed in action.
Text from the Wikipedia article Battle of Maniaki, licensed CC BY-SA 4.0.