Overview
Su Qaghan is the fourth Yaonian qaghan in the Liao History's list. No personal name or event of his reign is recorded with certainty.
Rise to Power
He followed Hula Qaghan; how he was related to him is not known.
Rule and Achievements
- Ruled the Khitans as vassals of the Uyghur Khaganate
- In this period the Tang histories record regular Khitan embassies to Chang'an
Legacy
His dates are a modern estimate. He was followed by Xianzhi Qaghan.