5 events the sources record for this year, grouped by region.
What happened
China (4)
Jesang went to Wa and helped Mihae escape at foggy dawn; he himself was burned to death on Namu island, saying: I would rather be a dog or pig of Gyerim than a vassal of Wa. (Samguk Yusa (Memorabilia of the Three Kingdoms) 紀異第一 奈勿王 金堤上)
Western Qin captured at Linsong the Hexi Zhennan General Juqu Baiti and moved five thousand households to Puxia (in the fourth month). (Zizhi Tongjian (Comprehensive Mirror) 卷120)
Xia Wuliedi Helian Bobo died, and his crown prince Chang ascended the throne and set the reign title Shengguang (in the eighth month). (Zizhi Tongjian (Comprehensive Mirror) 卷120)
Northern Wei Taiwudi launched a great five-route campaign against the Rouran, crossing the desert and attacking (in the tenth month). (Zizhi Tongjian (Comprehensive Mirror) 卷120)
Korean Peninsula (1)
Jesang entered Goguryeo and on the fifteenth day of the fifth month escaped with Bohae through the Goseong Sugu gate; struck by a blunt arrow from a pursuer's bow, he returned safely. (Samguk Yusa (Memorabilia of the Three Kingdoms) 紀異第一 奈勿王 金堤上)