9 events the sources record for this year, grouped by region.
What happened
China (3)
The Huichang Suppression of Buddhism: across the realm 4,600 monasteries were demolished and 260,500 monks and nuns were returned to lay life as taxpayers. (Old Book of Tang (Jiu Tangshu), Annals 舊唐書 卷18上 會昌5年 8月)
In the ninth month, heavy rain and great winds uprooted trees and collapsed houses; that day the rules for inspectors of damaged fields and unfarmable fields were set for the first time. (Shoku Nihon Kōki 續日本後紀 卷第十五 (원문 71번째 단락))
Japan (5)
In the second month, the emperor went hunting at the Kawayō palace; the Minister of Military Affairs, Prince Tadayoshi, and the Kudara kings presented tributes of game. (Shoku Nihon Kōki 續日本後紀 卷第十五 (원문 22번째 단락))
In the third month, Musashi Province reported that the seven-story pagoda of the Kokubunji, burned by divine fire in the second year of Jōwa, had not been rebuilt; Mibu no Kishi Fukumasa asked to rebuild it and was permitted. (Shoku Nihon Kōki 續日本後紀 卷第十五 (원문 27번째 단락))
In the third month, Fujiwara no Yoshino, supernumerary Governor of the Dazaifu, was exiled to Yamashiro Province, forbidden to enter the capital. (Shoku Nihon Kōki 續日本後紀 卷第十五 (원문 28번째 단락))
In the third month, a fire broke out at the east eaves of the Jinjū-den; people put it out. (Shoku Nihon Kōki 續日本後紀 卷第十五 (원문 30번째 단락))
In the twelfth month, the Dazaifu urgently reported that a Silla man had arrived with two letters from Kang Province, bringing over fifty castaways of this country. (Shoku Nihon Kōki 續日本後紀 卷第十五 (원문 82번째 단락))
Western Europe (1)
The people of Somerset and Dorset defeated the Danish army at the mouth of the Parrett river. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 845 항 (pg657.txt 줄 2606))