6 events the sources record for this year, grouped by region.
What happened
China (5)
He gave troops to his younger brother Yelü Lihu and ordered him to subdue the unsubmitted counties of Yunzhong, the Datong region. (History of Liao (Liaoshi) 遼史 卷3 天顯4年 10月)
Gyeon Hwon invades Uiseong-bu with five thousand armored soldiers; the castle lord Hong Sul is killed. (Goryeosa (History of Goryeo) 世家 卷1 太祖 十二年)
Ma Rangneng, commander of the Dingzhou capital, opens the gates and receives the government troops. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷276 제167단(TOC 이후 비공백 줄))
Gao Congwei calls himself Military Advisor of Jingnan and Prefect of Guizhou, and submits a memorial to the court asking for inner approval. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷276 제205단(TOC 이후 비공백 줄))
Korean Peninsula (1)
Gyeon Hwon besieges Gochang district, and Taejo goes in person to relieve it. (Goryeosa (History of Goryeo) 世家 卷1 太祖 十二年)