It was briefly interrupted by the rule of Empress Wu Zetian, who founded her own Zhou Dynasty, and it was greatly weakened by the An Lushan rebellion.
This dynasty's first ruler abdicated after his second son, Shimin, seized the northern entrance to his palace and killed his brothers. One member of this dynasty, Ruizong, returned to the throne with the help of his son Longji and his sister Taiping, who was later forced to commit suicide. Longji, later known as Xuanzong, had as a consort Yang Guifei, who adopted a Turkic general who would later rebel against this dynasty. It was briefly interrupted by the rule of Empress Wu Zetian, who founded her own Zhou Dynasty, and it was greatly weakened by the An Lushan rebellion. Du Fu and Li Po were active during this dynasty. For 10 points, name this dynasty preceded by the Sui, the cultural high point of Chinese civilization.
This dynasty's first ruler abdicated after his second son, Shimin, seized the northern entrance to his palace and killed his brothers.
Tang dynasty