Battle of Gol-Zarriun
560 CE.
Shown on the map at 39.767°, 64.433°.
The Battle of Gol-Zarriun, also known as Battle of Bukhara, took place around 563 when the Sasanian Empire and the First Turkic Khaganate allied with each other against the Hephthalite Empire.
Text from the Wikipedia article Battle of Gol-Zarriun, licensed CC BY-SA 4.0.