Emperor Duy Tân (Hanoi: [zwi˧ tən˧], chữ Hán: 維新, lit. "renovation"; 19 September 1900 – 26 December 1945), born Nguyễn Phúc Vĩnh San, was the 11th emperor of the Nguyễn dynasty in Vietnam, who reigned for nine years between 1907 and 1916.
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