5 events the sources record for this year, grouped by region.
What happened
Korean Peninsula (1)
Beommun, son of Kim Heonchang, tried to make Pyongyang the capital and attacked Bukhansan fortress, but was captured and killed by Governor Chongmyeong. (Samguk Sagi (History of the Three Kingdoms) 卷10 憲德王 17年)
Japan (1)
The province of Oki reports by post horse the arrival of the Balhae envoy Gao Chengzu and others, 103 persons in all. (Nihon Kōki (Later Chronicles of Japan) 日本後紀 卷33)
Western Europe (3)
At the May Aachen assembly he receives Bulgar envoys (the Bulgar-Frankish border question is decided). The chiefs of the Britons and Viomarcus submit, and the emperor pardons them, but he breaks his promise, plunders his neighbors, and is killed at his home by the men of Count Landbert (Royal Frankish Annals ARF a.825, Kurze 1895 p.167)
At the August Aachen assembly he receives envoys from various regions and from the sons of Godofrid in Northman land, and has the peace they requested confirmed at the frontier in October (Royal Frankish Annals ARF a.825, Kurze 1895 p.168)
After the assembly the emperor goes with his eldest son to Noviomagus and sends his younger son Ludovicus to Bavaria. He returns to Aachen at the beginning of winter, after finishing the autumn hunt (Royal Frankish Annals ARF a.825, Kurze 1895 p.168)
Changes of power ◆
Places where the world territory data shows a change of borders in this year.
◆ Shirvan appears
◆ Pala Empire takes 247,900 km² of former Pratihara dynasty land
◆ Pratihara dynasty loses 247,900 km² to Pala Empire