Nineteen years later , he had reunified most of China .
In 960 , the Later Zhou general Zhao Kuanyi overthrew his imperial master and established the Song dynasty , the sixth in fifty - three years .
Nineteen years later , Later Zhou had reunified most of China .
In 960 , the Later Zhou general Zhao Kuanyi overthrew his imperial master and established the Song dynasty , the sixth in fifty - three years .