Prime Minister of Thailand sixteen out of twenty-nine, including the incumbent General Prayut Chan-o-cha. Military dominance began with the country's second Prime Minister, Phot Phahonyothin, who ousted his civilian predecessor in a coup in 1933. The longest serving Prime Minister was Field Marshal Plaek Pibulsonggram at 14 years, 11 months and 18 days. The shortest was Tawee Boonyaket at just 18 days. Nine were removed by coups d'état, three were disqualified by court order, and eleven resigned from office. The youngest ever to occupy office was M.R. Seni Pramoj at 40 years old. Thailand received its first female prime minister, Yingluck Shinawatra, in 2011.
Prime Minister of Brazil appointment) could sometimes come into conflict. 19th century abolitionist leader and historian Joaquim Nabuco said: The shortest prime-ministership was the first of the three periods of Zacarias Góis e Vasconcellos in office, when he occupied the presidency of the Council for just a few days in May 1862 before being replaced. The longest continuous prime-ministership corresponded to the period when the Viscount of Rio Branco was in office: he served as President of the Council from March 1871 until June 1875. The Viscount of Rio Branco served as Prime Minister only once, however, and his period of service as Prime