Background
He was the son of his predecessor, King U. King U was forced from power after Yi Seonggye mutinied in 1388, and Chang was put on the throne in his stead.
He was the son of his predecessor, King U. King U was forced from power after Yi Seonggye mutinied in 1388, and Chang was put on the throne in his stead.
As Yi Seonggye took full control of the military, Chang was driven to Ganghwado and replaced on the throne by Gongyang of Goryeo on the grounds that Gongyang was of true royal blood. Chang was assassinated, together with his father, shortly after the ascension of Prince Gongyang. Chang was not yet ten years old.