Battle of Irmen
1598 CE.
Shown on the map at 54.579°, 82.242°.
The Battle of Irmen was the final engagement fought between the forces of the Khanate of Sibir, led by Kuchum Khan, and the Tsardom of Russia, led by Andrey Voyeykov.
Text from the Wikipedia article Battle of Irmen, licensed CC BY-SA 4.0.