The Hongzhi Emperor (Chinese: 弘治; pinyin: Hóngzhì) (30 July 1470 – 9 June 1505) was the 10th Emperor of the Ming dynasty, reigned from 1487 to 1505. Born Zhu Youcheng, he was the eldest surviving son of the Chenghua Emperor and his reign as emperor of China is called the "Hongzhi Silver Age". His era name, "Hongzhi", means "great government." A peace-loving emperor, the Hongzhi Emperor also had only one empress and no concubines, granting him the distinction of being the sole perpetually monogamous emperor in Chinese history, besides Emperor Fei. He was emperor during the middle years of the Ming dynasty.