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 South Korea as official English title. The short title in Korean is just "Chongni". The position was created on 31 July 1948, two weeks before the government of South Korea was founded, and was held by Lee Beom-seok until 1950. The title was Chief Cabinet Minister from 1961 until 1963. On 27 April 2014, Prime Minister Chung Hong-won announced his desire to resign. However, due to unsuccessful nominations, Chung remained in office until February 2015. On 23 January 2015, President Park Geun-hye named Saenuri's Floor Leader Lee Wan-koo as the new Prime Minister. Lee was confirmed by the National Assembly as Prime