Battle of Ösel Island
1719 CE.
Shown on the map at 58.417°, 22.500°.
The Battle of Ösel Island took place on May 24(4 June), 1719 (O.S.), during the Great Northern War. It was fought near the island of Saaremaa (Ösel). It led to a victory for the Russian captain Naum Senyavin, whose forces captured three enemy vessels, sustaining as few as eighteen casualties. It was the first Russian naval victory which did not involve ramming or boarding actions.
Text from the Wikipedia article Battle of Ösel Island, licensed CC BY-SA 4.0.