History of the Northern Dynasties: The Duke of Tang entered the capital, Daxing City, honored Emperor Yang as Taishang Huang and enthroned Yang You…
The Duke of Tang entered the capital, Daxing City, honored Emperor Yang as Taishang Huang and enthroned Yang You, Prince of Dai.
丙辰，唐公入京師
Location: 北史 卷12 大業13年
The Duke of Tang (Li Yuan) entered the capital, Chang'an.
丙辰，唐公入京師
Location: 隋書 卷004 帝紀 大業13年11月
Emperor Yang was honored as Taishang Huangdi (Retired Emperor), and Yang You, Prince of Dai, was enthroned as emperor, with the era changed to Yining. Emperor Yang planned to build a palace at Danyang and withdraw to the lands south of the Yangtze.
遙尊帝為太上皇，立代王侑為帝，改元義寧
Location: 隋書 卷004 帝紀 大業13年11月
He took Chang'an, the capital, then made Emperor Yang of Sui Taishang Huangdi and set up the Prince of Dai as emperor, changing the era to Yining.
丙辰，克京城
Location: 新唐書 卷001 高祖 義寧1年11月
Place: 長安
Show on the map — open History of the Northern Dynasties (Beishi), Annals