5 events the sources record for this year, grouped by region.
What happened
China (5)
Wang Kan blocked Liu Yuanhai but was defeated at Yanjin; more than 30,000 men were killed. (Book of Jin (Jinshu), Imperial Annals 晉書 卷005 帝紀 永嘉3年3月)
Liu Cong reached the Ximing Gate of Luoyang, but was utterly defeated by Prince Donghai Yue outside the Xuanyang Gate. (Book of Jin (Jinshu), Imperial Annals 晉書 卷005 帝紀 永嘉3年9月)
Liu Yuan made Zhu Dan the vanguard and Liu Jing the Grand Commander, attacked and took Liyang, and defeated Wang Kan at Yanjin, drowning more than thirty thousand men and women in the Yellow River. (Zizhi Tongjian (Comprehensive Mirror) 卷087 309년 단락6 제2문)
In the eighth month of autumn, Han ruler Yuan sent Prince Cong and others to attack Luoyang; Cao Wu and others resisted, but were all defeated by Cong. (Zizhi Tongjian (Comprehensive Mirror) 卷087 309년 단락14 제1문)