Battle of Vittsjö
1612 CE.
Shown on the map at 56.350°, 13.650°.
The Battle of Vittsjö was a battle between a Swedish force under Gustavus Adolphus and a Dano-Norwegian force under Breide Rantzau that took place in 1612; it was more a case of the Swedes retreating from the Danes than a full-scale battle.
Text from the Wikipedia article Battle of Vittsjö, licensed CC BY-SA 4.0.