Minh Mạng ([mïŋ˧ maːŋ˧˨ʔ]; 25 May 1791 – 20 January 1841), personal name Nguyễn Phúc Đảm, also known as Nguyễn Phúc Kiểu, was the second emperor of the Nguyễn Dynasty in Vietnamese History. His reign lasted 21 years, from 1820 until his death in 1841.