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 Cambodia to 1998. Elected as prime minister in his own right in 1998, he is the longest serving prime minister in Cambodian history. The position was first held by King Norodom Sihanouk in March 1945, during the French colonial administration. Cambodia's first parliamentary elections were held on 1 September 1946. The Democratic Party remained the dominant-party in Cambodian politics throughout the 1940s until the formation of the Sangkum Reastr Niyum in 1955. Sangkum was the dominant-party in Cambodia from 1955 to 1970 following a military coup by General Lon Nol. Until 1993, it was not an elected position. Merely few prime