Battle of Nerva Island
1944 CE.
Shown on the map at 60.267°, 28.283°.
The Battle of Nerva Island took place in the Gulf of Finland during World War II on 19–20 June 1944 between the Soviet Union and Germany, which occurred amid the 1944 Soviet offensive against Finland. It was one of the few engagements in the Baltic theater with large surface ships.
Text from the Wikipedia article Battle of Nerva Island, licensed CC BY-SA 4.0.