King Yimouxun of Yunnan swears an alliance with Tang envoy Cui Zuoshi at the shrine on Mount Diancang. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷234)
Liu Yong, chased by his elder brother Liu Ji, heads for the capital with 1,500 soldiers and some ten thousand family members. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷234)
On the first day of the New Year the morning audience (chōga) was abolished, as demolition of the palace had just begun. The same day, the Seii Taishōgun Ōtomo no Otomaro was given the sword of command (setto). (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷2)
The general Ōtomo no Otomaro reports: 457 heads cut off, 150 prisoners, 85 horses, and 75 villages burned. (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷3)
By imperial edict Yamashiro Province was renamed Yamashiro, and the new capital was named Heian-kyō (in Ōmi, Furutsu was renamed Ōtsu). (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷3)
Western Europe (2)
At the beginning of summer Charles holds a general assembly at Frankfurt and convenes a council of bishops of the whole kingdom. At this council, attended by papal legates, Felix's heresy is condemned and the Seventh Ecumenical Council (Nicaea II) is declared invalid. Queen Fastrada dies there and is buried beside St Alban at Mainz (Royal Frankish Annals ARF(Einhard판) a.794, Kurze 1895 p.95)
The king divides his army in two and marches on Saxony: he goes from the south, while his son Charles crosses the Rhine at Cologne and comes from the west. The Saxons camped on the Sintfeld plain give up fighting and surrender with hostages and oaths (Royal Frankish Annals ARF(Einhard판) a.794, Kurze 1895 p.97)