Phraya Phahonphonphayuhasena Phraya Phahonphonphayuhasena Phraya Phahonphonphayuhasena (, ), 29 March 1887 – 14 February 1947), short Phraya Phahon, born as Phot Phahonyothin (), was a Thai military leader and politician. He became the second prime minister of Siam in 1933 after ousting his predecessor in a coup d'état. He retired in 1938 after serving five years as prime minister. Phot was born in Phra Nakhon Province (present-day Bangkok) to a Teochew Thai Chinese father, Colonel Kim Phahonyothin (), and a Thai Mon mother, Chap Phahonyothin (). After attending the Chulachomklao Royal Military Academy, in 1903 he was sent by royal scholarship to
Prime Minister of Vietnam Council of Ministers, the highest executive body of state, from 1981 until it was renamed to Government in the 1992 constitution. The office of prime minister was renamed in the 1980 constitution to that of Chairman of the Council of Ministers. Pham Van Dong, the second Prime Minister of Vietnam, served as North Vietnamese Prime Minister from 1955 until 1976, when he became prime minister of a unified Vietnam, and then until 1987, when he resigned. At his resignation, he was the longest-serving prime minister in Vietnamese history, and the oldest serving prime minister in the world. He often lamented