7 events the sources record for this year, grouped by region.
What happened
China (6)
In the twelfth month, Zhou general Yang Zhong led over 200,000 men, including Ashina Mugan and other Tujue, in three columns from Hengzhou. On the day jiwei the Zhou army pressed Bingzhou (Jinyang); Dahexi Wu went toward Dongyong and Jinzhou. (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷7)
Yang Zhong of Northern Zhou, with more than a hundred thousand Tujue including Ashina Mukehan, invaded in three columns and pressed Bingzhou. (History of the Northern Dynasties (Beishi), Annals 北史 卷8 河清2年)
Zhou Di abandoned his city and fled; Chen Baoying, governor of Minzhou, took him in, and Linchuan Commandery was pacified. (Book of Chen (Chenshu), Annals 陳書 卷3 天嘉4年 正月)
Protector General Zhang Zhaoda was ordered to attack Jian'an and Chen Baoying, and Yu Xiaoqing was to join him from the eastern route. (Book of Chen (Chenshu), Annals 陳書 卷3 天嘉4年 十二月)
With the Turks, they plan to attack Qi: Yang Zhong leads 10,000 cavalry in front, while Daxi Wu goes out to Pingyang with 30,000 cavalry to coordinate (Book of Zhou (Zhoushu), Imperial Annals 周書 卷5 保定3年12月)