Battle of Marstrand
1677 CE.
Shown on the map at 57.886°, 11.581°.
The Battle of Marstrand was a successful Dano-Norwegian siege of the harbor town of Marstrand, Sweden which took place between 6–23 July 1677, during the Scanian War.
Text from the Wikipedia article Battle of Marstrand, licensed CC BY-SA 4.0.