Accession of Emperor Yang of Sui

Timeline

1. 604Renshou Palace · GuanzhongEmperor Wen of Sui, Yang Jian, died of illness at Renshou Palace; Crown Prince Yang Guang immediately took control of the court, and his cause of death is disputed as patricide in official histories and later historiography.
2. 604–605Luoyang · Central PlainsYang Guang ascended the throne with the temple name Emperor Yang, changed the era name to Daye the following year, and began major policies such as building the eastern capital, digging canals, and personally leading several campaigns.