The Chongzhen Emperor, personal name Zhu Youjian, courtesy name Deyue (德約), was the 17th and last emperor of the Ming dynasty. He reigned from 1627 to 1644. "Chongzhen", the era name of his reign, means "honorable and auspicious."

The Taichang Emperor, personal name Zhu Changluo, was the 15th emperor of the Ming dynasty. He was the eldest son of the Wanli Emperor and succeeded his father as emperor in 1620. However, his reign came to an abrupt end less than one month after his coronation when he was found dead one morning in the palace following a bout of diarrhea. He was succeeded by his son, Zhu Youjiao, who was enthroned as the Tianqi Emperor. His era name, "Taichang", means "grand prosperity." His reign was the shortest in Ming history.