Yangdi | emperor of Sui dynasty | Britannica
Yangdi, Wade-Giles romanization Yang-ti, personal name (xingming) Yang Guang, or Yang Ying, (born 569, China—died 618, Jiangdu [now Yangzhou, Jiangsu province]), posthumous name (shi) of the second and penultimate emperor (604–617/618) of the Sui dynasty (581–618). Under the Yangdi emperor canals were built and great palaces erected. He acceded to the throne in …