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 Ghana Progress Party (PP), led by Kofi Abrefa Busia, won parliamentary elections and he became Prime Minister on 1 October 1969. Busia's government was deposed in a military coup on 13 January 1972. A presidential system was instituted in 1979 when civilian rule was re-established. The post of Prime Minister was never revived. <br> Prime Minister of Ghana The Prime Minister of Ghana was the head of government of Ghana from 1957 to 1960 and again from 1969 to 1972. The country's first leader and Prime Minister was Kwame Nkrumah of the Convention People's Party (CPP). He held that post from