Chai Zongxun (柴宗訓) or Guo Zongxun (郭宗訓) (14 September 953 – 973), also known by his posthumous name Gongdi (恭帝; `Emperor Gong`), was the third and last emperor of ancient China`s short-lived Later Zhou during the Five Dynasties and Ten Kingdoms period. He reigned from July 959, when he succeeded his father Chai Rong, until Feb......