Battle of Haraker
1464 CE.
Shown on the map at 59.786°, 16.432°.
The Battle of Haraker was fought on 17 April 1464 at the village of Haraker, Västmanland, approximately 20 kilometers north of the city of Västerås in Sweden. The Swedish separatist army, under the command of the Bishop of Linköping, Kettil Karlsson, defeated King Christian I's Danish army.
Text from the Wikipedia article Battle of Haraker, licensed CC BY-SA 4.0.