819年

819年 — 中国: 全國節度使服從。藩鎮割據局面暫告結束

事件2条。正文照录原始年表原文，来源见来源与许可。上下灰色行是前后2年的脉络。

韩国南北国时代 698–918	中国唐朝 618–907	日本平安时代 794–1185	美国
本年无收录事件 817발해 간왕 즉위 818발해 선왕 즉위	全國節度使服從。藩鎮割據局面暫告結束。 Tibetan Empire attacks Qing PrefectureEN 817Wu Yuanji is captured and killed 820February — Emperor Xianzong of Tang dies, probably from being poisoned by eunuchs; his son Li Heng succeeds him and becomes Emperor Muzong of Tang 820Dương Thanh rebels and seizes Đại La 820February — Xianzong died, possibly after being poisoned by one of his eunuch officers. 820February — Xianzong's son Emperor Muzong of Tang became emperor of the Tang dynasty. 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	本年无收录事件	1607年起收录

韩国南北国时代 698–918

中国唐朝 618–907

日本平安时代 794–1185

美国

817Wu Yuanji is captured and killed
820February — Emperor Xianzong of Tang dies, probably from being poisoned by eunuchs; his son Li Heng succeeds him and becomes Emperor Muzong of Tang
820Dương Thanh rebels and seizes Đại La
820February — Xianzong died, possibly after being poisoned by one of his eunuch officers.
820February — Xianzong's son Emperor Muzong of Tang became emperor of the Tang dynasty.
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

1607年起收录