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 Yugoslavia from Bosnia and Herzegovina by birth, was a politician of Croatia like Špiljak and Planinc, serving (at different times) as both prime minister and president of the presidency of that federal unit. Prime Minister of Yugoslavia The Prime Minister of Yugoslavia was the head of government of the Yugoslav state, from the creation of the Kingdom of Serbs, Croats and Slovenes in 1918 until the breakup of the Socialist Federal Republic of Yugoslavia in 1992. The Kingdom of Serbs, Croats and Slovenes was created by the unification of the Kingdom of Serbia (the Kingdom of Montenegro had united with Serbia