Overview
Baoyi Qaghan ruled the Uyghur Khaganate from 808 to 821, the years when its wealth and reach were at their height. Before he became qaghan he had been the khaganate's most successful general, the commander who defeated Tibet and the Karluks in 792. As ruler he pressed the advantage, taking territory from Tibet and keeping the silk and horse trade with Tang China flowing to the Uyghur capital, Ordu-Baliq.
The Karabalgasun inscription, a trilingual monument in Old Turkic, Sogdian and Chinese erected at Ordu-Baliq, is generally dated to his reign and records the khaganate's history and its Manichaean faith.
Rise to Power
He succeeded his father, Huaixin Qaghan, in 808, inheriting a stable throne and an army he had led to victory.
Rule and Achievements
- Seized Liang province in the Gansu corridor from Tibet in 808, in the first year of his reign
- Kept up the profitable trade with the Tang, exchanging horses for silk on terms that greatly favoured the Uyghurs
- Defended the capital region when a Tibetan raid in 816 came within two days' march of Ordu-Baliq
- Presided over the khaganate's Manichaean court culture and the commerce of its Sogdian merchants
- Died in 821, passing the throne to his son Chongde
Legacy
Baoyi Qaghan's reign marks the high point of the Uyghur Khaganate. He combined military credibility, a strong trading position and a settled succession. Within two decades of his death, however, the empire had collapsed, a reminder that peak performance is not the same as resilience.