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 Spain which remained until 1939, when the Second Spanish Republic ended. Before 1834 the figure was known as ("Secretary of State"), a denomination used today for junior ministers. On 19 November, 1823, after a brief liberal democratic period called the Liberal Triennium between 1820 and 1823, King Ferdinand VII re-established the absolute monarchy and created the Council of Ministers that continues to exist today. This Council was chaired by the Secretary of State, who acted as Prime Minister. The Spanish Royal Statute of 1834 replaced the chair with a President of the Council of Ministers invested with executive powers. During the