The world in 786 AD — what happened that year

11 events the sources record for this year, grouped by region.

What happened

Li Xilie was killed by his subordinate Chen Xianqi, who took Huaixi with him and surrendered. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書卷12 貞元2年 4月)
The Tibetans attacked Jing, Long, Bin and Ning; the several garrisons shut their gates, and martial law was declared in the capital. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書卷12 貞元2年 7月)
The Tibetans took Yanzhou and then also took Xiazhou and Yinzhou. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書卷12 貞元2年)
Li Xilie was killed by his subordinates, ending the Huaixi rebellion. (New Book of Tang (Xin Tangshu), Annals 新唐書卷007 德宗·順宗·憲宗貞元2年4月)
The Tibetan Empire captured Yanzhou; Xiazhou fell in the twelfth month. (New Book of Tang (Xin Tangshu), Annals 新唐書卷007 德宗·順宗·憲宗貞元2年11月)
Chen Xianqi sends a physician to poison Li Xilie. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑卷232)
Tibetan minister Shang Jiezan launches a large raid on Jingzhou, Longzhou, Binzhou and Ningzhou. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑卷232)
Tibetans invade Yanzhou and occupy it. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑卷232)
Tibetans take Linzhou. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑卷232)

The Dewa Province reports that 65 persons, including the Bohai envoy Yi Wontae, drifted ashore in one ship, and that twelve of them were seized and plundered by the Emishi. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第39 「九月甲辰。出羽國言。」)

Charles, entering Italy in a harsh winter, spends Christmas at Florentia in Tuscany and hurries on to Rome (Royal Frankish Annals ARF(Einhard판) a.786, Kurze 1895 p.73)