paragraph_text: Jean Pelletier, (; February 21, 1935 – January 10, 2009) was a Canadian politician who served as the 37th mayor of Quebec City, Chief of Staff in the Prime Minister's Office, and chairman of Via Rail. He was a leading organizer of the Liberal Party of Canada.

paragraph_text: Israel operates under a parliamentary system as a democratic republic with universal suffrage. A member of parliament supported by a parliamentary majority becomes the prime minister—usually this is the chair of the largest party. The prime minister is the head of government and head of the cabinet. Israel is governed by a 120-member parliament, known as the Knesset. Membership of the Knesset is based on proportional representation of political parties, with a 3.25% electoral threshold, which in practice has resulted in coalition governments.

paragraph_text: The Lyons Government was the federal Executive Government of Australia led by Prime Minister Joseph Lyons. It was made up of members of the United Australia Party in the Australian Parliament from January 1932 until the death of Joseph Lyons in 1939. Lyons negotiated a coalition with the Country Party after the 1934 Australian Federal election. The Lyons government stewarded Australia's recovery from the Great Depression

paragraph_text: The Second Filat Cabinet was the Cabinet of Moldova from 14 January 2011 to 30 May 2013. The Cabinet consisted of ministers from the Liberal Democratic Party of Moldova, the Democratic Party of Moldova, and the Liberal Party, who together formed the Alliance for European Integration. It was the second government to be led by Vlad Filat who was Prime Minister from 2009 until 2013. The Cabinet was installed after a successful vote of confidence held in the Parliament of Moldova on 14 January 2011.

paragraph_text: The Barton Government was the first federal Executive Government of the Commonwealth of Australia. It was led by Prime Minister Sir Edmund Barton, from 1 January 1901 until 24 September 1903, when Barton resigned to become one of the three founding judges of the High Court of Australia.

paragraph_text: The contemporary Liberal Party generally advocates economic liberalism (see New Right). Historically, the party has supported a higher degree of economic protectionism and interventionism than it has in recent decades. However, from its foundation the party has identified itself as anti-socialist. Strong opposition to socialism and communism in Australia and abroad was one of its founding principles. The party's founder and longest-serving leader Robert Menzies envisaged that Australia's middle class would form its main constituency.

paragraph_text: Solidarnost (Солидарность, Russian for "Solidarity", named after the Polish Solidarność) is a Russian liberal democratic political movement founded on 13 December 2008 by a number of well-known members of the liberal democratic opposition, including Garry Kasparov, Boris Nemtsov and others from the Yabloko and Union of Right Forces (which had just merged with two pro-Kremlin parties, the Democratic Party of Russia and Civilian Power, to form the pro-Kremlin liberal democratic Right Cause) parties, leaders of the Dissenters March events, the Committee 2008, the People's Democratic Union, the United Civil Front, The Other Russia and other politicians and political groups.

paragraph_text: Declining support for the major parties in recent times is leading to more non-majoritarian outcomes at elections.  At the 2010 federal election, which resulted in an exact 72-72 seat tie between Labor and The Liberal-National Coalition, incumbent Prime Minister Julia Gillard secured the support of four out of six Independent and Green Party crossbenchers and continued to govern.

paragraph_text: The People's Congress Party is a political party in Solomon Islands. It was founded by outgoing deputy Prime Minister Fred Fono during the campaign for the 2010 general election.

paragraph_text: Born in Ameliasburg, Ontario, he was first elected to the House of Commons of Canada as a Liberal Member of Parliament representing the rural Ontario riding of Prince Edward—Hastings in 1988. He was considered a strong supporter of Prime Minister Jean Chrétien, and was removed from the Canadian Cabinet when Paul Martin succeeded Chrétien as Liberal leader and prime minister in 2003.

paragraph_text: John Patrick Amama Mbabazi, SC (simply known as Amama Mbabazi, born 16 January 1949) is a Ugandan politician who served as the ninth Prime Minister of Uganda from 24 May 2011 to 19 September 2014. He played an instrumental role in Uganda's protracted liberation struggle from several tyrannical governments (1972-1986) and is a founding member of the National Resistance Movement, the ruling political party in Uganda.

paragraph_text: David Lloyd George, 1st Earl Lloyd-George of Dwyfor, (17 January 1863 – 26 March 1945) was a British statesman and Liberal Party politician. He was the last Liberal to serve as Prime Minister of the United Kingdom.

paragraph_text: The Liberal government of Australia, led by Prime Minister Robert Menzies, immediately responded to the UN resolution by offering military assistance. 17,000 Australians served in the Korean War between 1950 and 1953, and they suffered 339 dead, and 1200 wounded.

paragraph_text: The current, and 23rd, Prime Minister of Canada is the Liberal Party's Justin Trudeau, who was appointed on November 4, 2015, by Governor General David Johnston, following the general election that took place that year.

paragraph_text: The Prime Minister's executive office is usually called the Office of the Prime Minister in the case of the Canada and other Commonwealth countries, it is called Cabinet Office in United Kingdom. Some Prime Minister's office do include the role of Cabinet. In other countries, it is called the Prime Minister's Department or the Department of the Prime Minister and Cabinet as for Australia.

paragraph_text: The Basotho National Party is a political party in Lesotho, founded in the 1959 as the Basutoland National Party by Leabua Jonathan. He was Prime Minister from 1965 until the coup of 1986.

paragraph_text: The party's leader is Malcolm Turnbull and its deputy leader is Julie Bishop. The pair were elected to their positions at the September 2015 Liberal leadership ballot, Bishop as the incumbent deputy leader and Turnbull as a replacement for Tony Abbott, whom he consequently succeeded as Prime Minister of Australia. Now the Turnbull Government, the party had been elected at the 2013 federal election as the Abbott Government which took office on 18 September 2013. At state and territory level, the Liberal Party is in office in three states: Colin Barnett has been Premier of Western Australia since 2008, Will Hodgman Premier of Tasmania since 2014 and Mike Baird Premier of New South Wales since 2014. Adam Giles is also the Chief Minister of the Northern Territory, having led a Country Liberal minority government since 2015. The party is in opposition in Victoria, Queensland, South Australia and the Australian Capital Territory.

paragraph_text: The UAP had been formed as a new conservative alliance in 1931, with Labor defector Joseph Lyons as its leader. The stance of Lyons and other Labor rebels against the more radical proposals of the Labor movement to deal the Great Depression had attracted the support of prominent Australian conservatives. With Australia still suffering the effects of the Great Depression, the newly formed party won a landslide victory at the 1931 Election, and the Lyons Government went on to win three consecutive elections. It largely avoided Keynesian pump-priming and pursued a more conservative fiscal policy of debt reduction and balanced budgets as a means of stewarding Australia out of the Depression. Lyons' death in 1939 saw Robert Menzies assume the Prime Ministership on the eve of war. Menzies served as Prime Minister from 1939 to 1941 but resigned as leader of the minority World War II government amidst an unworkable parliamentary majority. The UAP, led by Billy Hughes, disintegrated after suffering a heavy defeat in the 1943 election.

paragraph_text: Politically, Robert Menzies and the Liberal Party of Australia dominated much of the immediate post war era, defeating the Labor government of Ben Chifley in 1949, in part over a Labor proposal to nationalise banks and following a crippling coal strike led by the Australian Communist Party. Menzies became the country's longest-serving Prime Minister and the Liberal party, in coalition with the rural based Country Party, won every federal election until 1972.

paragraph_text: MacTavish was a millionaire and one of Canada's leading corporate lawyers. He was a chief Liberal Party strategist and fundraiser and was an advisor to three Liberal Prime Ministers - William Lyon Mackenzie King, Louis St. Laurent and Lester Pearson and had also known Sir Wilfrid Laurier, a friend of his father, as a youth.

Question: What event caused the founder of Australia's liberal party to become Prime Minister?
Answer: Lyons' death in 1939