Yang Jian ascended the throne in the Linguang Hall, built an altar in the southern suburbs to report to Heaven, and adopted the era name Kaihuang. The Sui dynasty was founded. (Book of Sui (Suishu), Imperial Annals 隋書 卷001 帝紀 大定1年2月)
Chen general Zhou Luohou took Hushu, and Xiao Mohe attacked the north bank of the Yangtze. (Book of Sui (Suishu), Imperial Annals 隋書 卷001 帝紀 開皇1年9月)
Yang Jian, Prince of Sui, takes a royal title (founding the Sui); Emperor Jing retreats to a separate palace, ending Northern Zhou at age 33. The Sui enfeoffs Emperor Jing as Duke of Jie (Book of Zhou (Zhoushu), Imperial Annals 周書 卷8 大定1年2月)