Conquest of the Khanate of Sibir
1581 CE.
Shown on the map at 60.000°, 105.000°.
The Khanate of Sibir was a Muslim state located just east of the middle Ural Mountains. Its conquest by Yermak Timofeyevich in 1582 was the first event in the Russian conquest of Siberia.
Text from the Wikipedia article Conquest of the Khanate of Sibir, licensed CC BY-SA 4.0.