Göktürk civil war

Göktürk civil war
The khaganate in 552
Gokturk khaganates at their height, c. 600 AD:
  Western Gokturk: Lighter area is direct rule, darker areas show sphere of influence.
  Eastern Gokturk: Lighter area is direct rule, darker areas show sphere of influence.

The Göktürk civil war or Turkic interregnum was a number of political crises in the Turkic Khaganate first between 583 and 603, which resulted in the split of the khaganate into Western and Eastern.