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 Iran Prime minister of Iran in 1965 and remained in office until 1977. Shapour Bakhtiar was the last prime minister of Pahlavi era. After the Iranian Revolution of 1979, Ayatollah Khomeini installed Mehdi Bazargan as the Prime Minister of an interim government, which served until November 1979. The government resigned during the Iran hostage crisis, but mentioned that it has not been the sole reason, and the decision for mass resignation had been reached one day before the invasion of the United States embassy by the Iranian students. The post was left empty until Abolhassan Banisadr became president in January 1980