Prime Minister of Australia prime minister, otherwise William McMahon63. Robert Menzies was the oldest person to ever be prime minister, leaving office at 71 years old. The longest-serving Prime Minister was Sir Robert Menzies, who served in office twice: from 26 April 1939 to 28 August 1941, and again from 19 December 1949 to 26 January 1966. In total Robert Menzies spent 18 years, 5 months and 12 days in office. He served under the United Australia Party and the Liberal Party respectively. The shortest-serving Prime Minister was Frank Forde, who was appointed to the position on 6 July 1945 after the death of
Prime Minister of the Czech Republic Prime Minister of the Czech Republic The Chairman of the Government of the Czech Republic (Czech: "Předseda vlády České republiky", normally referred to in English as the Prime Minister), is the head of the Government of the Czech Republic. The Prime Minister and Cabinet (consisting of all the most senior ministers, who are government ministries heads) are collectively accountable for their policies and actions to the Chamber of Deputies. The current Prime Minister, Andrej Babiš, leader of the ANO 2011, was appointed by the President on 6 December 2017, and serves as 12th person in the office. The Prime Minister