Battle of Visby
1361 CE.
Shown on the map at 57.633°, 18.283°.
The Battle of Visby was fought in 1361 near the town of Visby on the island of Gotland, Sweden, between the forces of the Danish king and the Gutnish country yeomen. The Danish force was victorious.
Text from the Wikipedia article Battle of Visby, licensed CC BY-SA 4.0.