Prime Minister of Thailand Rajanubhab took over this role. In fact, the office most considered the precursor of that of the prime minister was the ancient office of "Samuha Nayok" (สมุหนายก), which was run by an "Akkhra Maha Senabodi" (อัครมหาเสนาบดี) or "chief minister in charge of civilian affairs". The first Prime Minister of Siam was Phraya Manopakorn Nititada, a judge. The title of the office was changed from "Prime Minister "of Siam"" to "Prime Minister "of Thailand"" in 1945 and then permanently with the renaming of Siam to Thailand in 1949. For most of its existence the office has been occupied by Army leaders;
Prime Minister of Crimea Prime Minister of Crimea The Chairman of the Council of Ministers of the Republic of Crimea (; ; ) is the head of government of the Republic of Crimea, (previously the Autonomous Republic of Crimea located in the southern region of Ukraine). Until 2014 Prime Minister, whose nomination was proposed by the Speaker of the Verkhovna Rada of Crimea (Crimean parliament) with the approval of the President of Ukraine and then approved by the Crimean parliament, presided over the Council of Ministers of Crimea. Since 2014, Prime Minister is appointed by the Head of the Republic of Crimea, once a