Section from the painting Portraits of the Emperors by Yan Liben. (Ink and color on silk.) Emperor Sui Wendi is pictured in the right foreground and is followed by his son and successor Emperor Sui Yangdi. Wendi and Yangdi were the only emperors of the short-lived (thirty-seven-year-long) Sui dynasty.
Military campaigns—against the Chen to reunify north and south China, against Turks north of the Great Wall, and against Koguryô in