1821 CE.
Shown on the map at 38.853°, 22.459°.
The Battle of Alamana was fought between the Greeks and the Ottoman Empire on 22 April 1821, during the Greek War of Independence.
Text from the Wikipedia article Battle of Alamana, licensed CC BY-SA 4.0.
HistoryLayer draws the world as it was in any year from 123,000 BCE to 2026. Move the slider and the borders redraw for that year; the map carries 23,890 events, 12,790 people, 837 wars and 13,183 cities, each one readable in place. Signing in is optional and lets you keep what you find.