Battle of Varkaus
1918 CE.
Shown on the map at 62.317°, 27.893°.
Battle of Varkaus was a battle of the 1918 Finnish Civil War, fought 19–21 February between the Finnish Whites and the Finnish Reds in Varkaus, Leppävirta. The victory was important for the Whites, giving them control of all of Northern Finland. The battle is best known for the bloody Lottery of Huruslahti held afterwards, where the Whites executed up to 180 Reds who had surrendered.
Text from the Wikipedia article Battle of Varkaus, licensed CC BY-SA 4.0.