History of Thailand (1932–1973)
The history of Thailand from 1932 to 1973 was dominated by military dictatorships which were in power for much of the period. The main personalities of the period were the dictator Plaek Phibunsongkhram, who allied the country with Japan during the Second World War, and the civilian politician Pridi Banomyong, who founded Thammasat University and was briefly prime minister after the war.
Source: Wikipedia — History of Thailand (1932–1973) (CC BY-SA 4.0)