Sack of Sebaste
1400 CE.
Shown on the map at 39.751°, 37.015°.
The Sack of Sebaste in 1400 was one of Timur's campaigns in Anatolia. It was one of the first events of the Ottoman-Timurid War, which led to a famous massacre in the city of Sivas. This was also part of Timur's campaigns across the Middle East.
Text from the Wikipedia article Sack of Sebaste (1400), licensed CC BY-SA 4.0.