6 events the sources record for this year, grouped by region.
What happened
China (4)
Guo Yi beheaded Liu Zhen and welcomed Shi Xiong, and five prefectures including Ze and Lu were pacified. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書 卷18上 會昌4年)
He Hongjing of Wei and Wang Yuankui of Jin report that three prefectures, Xingzhou, Mingzhou and Cizhou, have surrendered. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷248)
Japan (2)
In the sixth month, the Dazaifu presented a white crow. (Shoku Nihon Kōki 續日本後紀 卷第十四 (원문 39번째 단락))
In the seventh month, Minamoto no Tsune was appointed Minister of the Left and Tachibana no Ujikimi Minister of the Right; the same day, gold of 200 small ryō was ordered sent through Ninkō to the Tendai learning-visit monk Ennin and the student monk Enzai in Tang. (Shoku Nihon Kōki 續日本後紀 卷第十四 (원문 43번째 단락))