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 Australia the Fourth Deakin Ministry (June 1909 to April 1910), when it was known as "Prime Minister (without portfolio)". If a government cannot get its appropriation (budget) legislation passed by the House of Representatives, or the House passes a vote of "no confidence" in the government, the Prime Minister is bound by convention to immediately advise the Governor-General to dissolve the House of Representatives and hold a fresh election. Following a resignation in other circumstances or the death of a Prime Minister, the governor-general generally appoints the Deputy Prime Minister as the new Prime Minister, until or if such time as