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 Ghana Progress Party (PP), led by Kofi Abrefa Busia, won parliamentary elections and he became Prime Minister on 1 October 1969. Busia's government was deposed in a military coup on 13 January 1972. A presidential system was instituted in 1979 when civilian rule was re-established. The post of Prime Minister was never revived. <br> Prime Minister of Ghana The Prime Minister of Ghana was the head of government of Ghana from 1957 to 1960 and again from 1969 to 1972. The country's first leader and Prime Minister was Kwame Nkrumah of the Convention People's Party (CPP). He held that post from