12 events the sources record for this year, grouped by region.
What happened
China (11)
At a feast in the chancellery, Gao Yan (Prince of Changshan) seized the Shangshu Ling Yang Yin, Yan Zixian, Kezhu Huntianhe and Song Qindao, and in the Yufu he beheaded Zheng Zimo too, taking power. (Juan 5 records the same incident on the day yisi of the second month.) (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷6)
In the eighth month, on the day renwu, Gao Yan ascended the throne in the Xuande Hall at Jinyang (Emperor Xiaozhao) and changed the era name from Qianming to Huangjian. (The deposed emperor was demoted to Prince of Jinan.) (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷6)
Grand Commandant Hou Tian crushed Wang Lin at Liangshan and the Northern Qi forces at Bowang; Wang Lin and Xiao Zhuang fled to Northern Qi. (Book of Chen (Chenshu), Annals 陳書 卷3 天嘉元年 二月)
He Ruodun of Northern Zhou, with ten thousand light troops, raided Wuling; Wu Mingche, governor of Wuzhou, could not stop him and withdrew to Baling. (Book of Chen (Chenshu), Annals 陳書 卷3 天嘉元年 八月)
Hou Tian raided Dugu Sheng of Northern Zhou at Yangye Islet, seized all his boats, and Dugu Sheng landed, built a wall and held on. (Book of Chen (Chenshu), Annals 陳書 卷3 天嘉元年 十月)
Yuchi Xian, the Northern Zhou commander of Baling city, surrendered, and Hou Anding, governor of Bazhou, held the city. (Book of Chen (Chenshu), Annals 陳書 卷3 天嘉元年 十二月)
Grand Commandant Hou Tian defeated Wang Lin at Liangshan and also routed the Northern Qi army at Bowang; Wang Lin and Xiao Zhuang fled to Northern Qi. (History of the Southern Dynasties (Nanshi), Annals 南史 卷9 天嘉1年)
Emperor Ming is poisoned in his food and falls gravely ill; he hands the throne to Yuwen Yong, Duke of Lu, and dies at Yanshou Hall at age 27 (Book of Zhou (Zhoushu), Imperial Annals 周書 卷4 武成2年4月)