21 events the sources record for this year, grouped by region.
What happened
China (7)
Hou Jing and Gao Ang besieged Dugu Xin at Jinyong, and Emperor Wen of Western Wei and Yuwen Tai came to relieve him. In the 8th month, at Heyin, they won a major victory and captured tens of thousands (Situ Gao Ang died in battle). Yuwen Tai burned his camp and withdrew, as Gao Huan had left Jinyong empty. (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷2)
In the battles of Heqiao and Mangshan he kills Gao Aocao of Eastern Wei and captures 15,000; but the left army is at a disadvantage, so he loses Luoyang and withdraws (Book of Zhou (Zhoushu), Imperial Annals 周書 卷2 大統4年8月)
Western Wei kills Song Xian, Governor of Xiyan of Eastern Wei, and captures 15,000 armored soldiers; those who drown in the Yellow River number in the tens of thousands (Hejiao battle at Mang Mountain). (Zizhi Tongjian (Comprehensive Mirror) 卷158)
Gao Huan attacks Jinyong city; Zhangsun Ziyan abandons and burns it, and Gao Huan demolishes Jinyong and returns. (Zizhi Tongjian (Comprehensive Mirror) 卷158)
The barbarians, struck by plague and hunger, gave up the war and discussed ways to withdraw. (Procopius, History of the Wars 6.6.1)
The Isaurian fleet arrived at the port of Rome, and John's army reached Ostia; fortifications were built without enemy interference. (Procopius, History of the Wars 6.7.1)
John, with two thousand cavalry, plundered Picenum and killed Ulithaeus, an uncle of Witigis. (Procopius, History of the Wars 6.10.1)
Witigis marched with his army toward Ravenna and stationed garrisons at Clusium and other places. (Procopius, History of the Wars 6.11.1)
Witigis surrounded Ariminum with his whole army and set wheeled siege towers against the walls. (Procopius, History of the Wars 6.12.1)
Belisarius marched at midsummer to Witigis's camp, leaving only a small force in Rome. (Procopius, History of the Wars 6.13.1)
The forces of Belisarius and Narses joined near Firmum, and they held a council on the plan to relieve Ariminum. (Procopius, History of the Wars 6.16.1)
The Goths abandoned their camp at Ariminum and fled; Ildiger took over the encampment, and Belisarius entered. (Procopius, History of the Wars 6.18.1–6.18.2)