Battle of Tendra
1790 CE.
Shown on the map at 46.200°, 31.833°.
The Battle of Tendra (or the battle of Khadjibey) was a naval action fought on 8 and 9 September 1790 (28 and 29 August, O.S.) in the Black Sea as part of the Russo-Turkish War (1787–1792). It ended in a decisive victory for Ushakov's Russians over the Ottomans.
Text from the Wikipedia article Battle of Tendra, licensed CC BY-SA 4.0.