823
823 — China: The Tang-Bo huimeng bei (Stele of the Tang-Tibetan alliance) is set up in Lhasa / Japan: Emperor Junna ascends to the throne
2 events. The text is the source chronology verbatim; the terms are in Sources & licenses. The grey lines above and below are the surrounding 2 years.
| KoreaNorthern and Southern States period 698–918 | ChinaTang dynasty 618–907 | JapanHeian period 794–1185 | United States |
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- No events recorded for this year
| - The Tang-Bo huimeng bei (Stele of the Tang-Tibetan alliance) is set up in Lhasa
- 821Princess Taihe, 17th daughter of Emperor Xianzong of Tang, marries Kün tengride ülüg bulmïsh alp küchlüg bilge of the Uyghur Khaganate
- 821Tibetan Empire attacks Tang but are driven off by the governor of Yan Prefecture
- 821Tang and the Tibetan Empire sign a treaty of non-aggression with the Tang recognizing Tibet's ownership of the Western Regions as well as the Longyou and Hexi regions in what is now Gansu Province
- 822The Uyghurs send troops to help the Tang fight against rebels, but their aid is refused; the Tang pay them 70,000 pieces of silk to go home.
- 824Han Yu died.
- 824February — Emperor Muzong of Tang dies; his son Li Zhan succeeds him and becomes Emperor Jingzong of Tang
- 824February — Muzong died.
- 824February — Muzong's young son Emperor Jingzong of Tang became emperor of the Tang dynasty.
| - Emperor Junna ascends to the throne.
| covered from 1607 |