Battle of Hova
1275 CE.
Shown on the map at 58.850°, 14.217°.
The Battle of Hova (Swedish: Slaget vid Hova) was fought in Hova, Sweden on 14 June 1275 between peasants commanded by King Valdemar of Sweden and Danish cavalry commanded by Duke Magnus and his brother Erik. The result was that Valdemar had to flee to Norway and Magnus became king of Sweden. It was a part of a series of conflicts between Magnus and his elder brother Valdemar.
Text from the Wikipedia article Battle of Hova, licensed CC BY-SA 4.0.