About Thành Thái
Thành Thái (Hanoi: [tʰajŋ̟˨˩ tʰaːj˧˦], chữ Hán: 成泰; 14 March 1879 – 20 March 1954) born Nguyễn Phúc Bửu Lân (阮福寶嶙), was the son of Vietnamese Emperor Dục Đức and Empress Dowager Từ Minh. He reigned as emperor for 18 years, from 1889 to 1907. Thành Thái was one of the three "patriotic emperors" in Vietnamese history, along with Hàm Nghi and Duy Tân (his son), for their actions and views against French colonial rule in Vietnam. To show that he was friendly with Western civilization, Thành Thái was the first Vietnamese monarch to cut his hair in the French style and learn to drive a car. Thành Thái was exiled first to Vũng Tàu in South Vietnam and when Duy Tân rebelled against the French they were both exiled to Réunion Island in 1916. Thành Thái was one of the three "patriotic emperors" in Vietnamese history, along with Hàm Nghi and Duy Tân, for their actions and views against French colonial rule in Vietnam.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.