Shunzong passed the throne to his crown prince Chun (Xianzong) and became Retired Emperor. (New Book of Tang (Xin Tangshu), Annals 新唐書 卷007 德宗·順宗·憲宗 永貞1年8月)
After Wei Gao, military governor of Western Sichuan, died, the army secretary Liu Pi declared himself acting governor on his own authority. (New Book of Tang (Xin Tangshu), Annals 新唐書 卷007 德宗·順宗·憲宗 永貞1年8月)
The first ship of the Tang embassy reached Tsushima, Shimo-agata district. Ambassador Fujiwara no Kadonomaro reported: last year, on the sixth day of the seventh month, they set out from Tanoura in Matsura district, Hizen; the third and fourth ships lost contact; on the tenth day of the eighth month they reached Chi'an (赤岸鎮) in Chōkei county of Fuzhou. (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷12)
Sugawara no Kiyokimi, judge (hōgan) of the second ship of the Tang embassy, reached Kashima in Matsura district, Hizen Province, and submitted his report by post horse. (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷12)
Report from Dazaifu: the third ship of the Tang embassy set out from Hira-shima in Matsura district, but at once met a south wind and drifted to a remote island; the ship took in water and was wrecked among rocks. The court, blaming the sailors for neglecting their duties, ordered a reprimand. (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷13)
Saichō, the monk who had gone to Tang to seek the Dharma, was summoned to a hall to perform a repentance and sutra-reading rite (kaige dokkyō); Saichō offered Buddha images from Tang. (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷13)
Harun attacks Heraclea and other cities; Nikephoros pays tribute (Al-Tabari, History of the Prophets and Kings Series III tom.2 (Arg.) [india.history.resource.86977], Annus 190 (Annus 191 앞))
Western Europe (1)
The emperor sends his son Charles with the army into the land of the Bohemian Slavs, devastates the whole country and kills their leader Lecho. Charles joins the emperor at the Kamp in the Bohemian forest (Royal Frankish Annals ARF a.805, Kurze 1895 p.120)