Zhengde

Zhengde (24 January 1506 – 27 January 1522) was the era name (nianhao) of the Zhengde Emperor, the 11th emperor of the Ming dynasty, lasting for 16 years.

On 27 May 1521 (Zhengde 16, 22nd day of the 4th month), the Jiajing Emperor ascended to the throne and continued to use the Zhengde era name. The following year, the era was changed to Jiajing.

Other regimes' era names that existed during the same period

 * China
 * Mingzheng (, 1511): Ming period—era name of Cao Fu
 * Dashunpingding (, 1520): Ming period—era name of Duan Chang
 * Shunde (, 1519): Ming period—era name of Zhu Chenhao
 * Vietnam
 * Đoan Khánh (, 1504–1509): Later Lê dynasty—era name of Lê Uy Mục
 * Hồng Thuận (, 1509–1516): Later Lê dynasty—era name of Lê Tương Dực
 * Quang Thiệu (, 1516–1522): Later Lê dynasty—era name of Lê Chiêu Tông
 * Đại Đức (, 1518): Later Lê dynasty—era name of Lê Bảng
 * Thiên Hiến (, 1519): Later Lê dynasty—era name of Lê Do
 * Thống Nguyên (, 1522–1526): Later Lê dynasty—era name of Lê Cung Hoàng
 * Tuyên Hòa (, 1516–1521): Later Lê dynasty—era name of Trần Xương
 * Japan
 * Eishō (永正, 1504–1521): era name of Emperor Go-Kashiwabara
 * Daiei (大永, 1521–1528): era name of Emperor Go-Kashiwabara and Emperor Go-Nara