Menzies Government (1939–41) in December 1944. The formation of a new party – the Liberal Party of Australia – was formally announced at Sydney Town Hall on 31 August 1945. After an initial loss to Labor at the 1946 election, Menzies led the Liberals to victory at the 1949 election against the incumbent Labor government led by Ben Chifley, and the Coalition stayed in office for a record 23 years. Menzies Government (1939–41) The Menzies Government (1939–1941) refers to the federal executive government of Australia led by Prime Minister Robert Menzies. Menzies led the United Australia Party in the Australian Parliament from 1939–1941.
Prime Minister of Australia becomes acting Prime Minister in those circumstances. Three Prime Ministers have died in office – Joseph Lyons (1939), John Curtin (1945) and Harold Holt (1967). In each of these cases, the Deputy Prime Minister (an unofficial office at the time) became an interim Prime Minister, pending an election of a new leader of the government party. In none of these cases was the interim Prime Minister successful at the subsequent election. As of , there are seven living former Australian Prime Ministers. The greatest number of living former Prime Ministers at any one time was eight. This has occurred twice: