Region: China · Coordinates: 43.995, 89.175 · 2 events
| Year | Source | Account |
|---|---|---|
| AD 714 | Old Book of Tang (Jiu Tangshu), Annals | Tong'e Tegin, son of Mochuo, invaded the Beiting Protectorate; Guo Qianguan defeated him and beheaded him beneath the city walls. |
| AD 790 | Old Book of Tang (Jiu Tangshu), Annals | The Tibetans took the Beiting Protectorate, and Jiedushi Yang Xigu fled to Xizhou. |