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Until 24/9/1903 Protectionist Party
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Until 27/4/1904 Protectionist Party
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Until 17/9/1904 Commonwealth Labor
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Until 5/7/1905 Free Trade Party
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Until 13/11/1908 Protectionist Party
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Until 2/6/1909 Commonwealth Labor
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Until 29/4/1910 Protectionist Party
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Until 24/6/1913 Commonwealth Labor
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Until 17/9/1914 Liberal Party
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Until 27/10/1915 Commonwealth Labor
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Until 9/2/1923 Australian Labor, National Labor, National Party
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Until 22/10/1929 National Party
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Until 6/1/1932 Australian Labor Party
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Until 7/4/1939 United Australia Party
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Until 26/4/1939 Country Party
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Until 29/8/1941 United Australia Party
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Until 7/10/1941 Country Party
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Until 5/7/1945 Australian Labor Party
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Until 13/7/1945 Australia Labor Party
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Until 19/12/1949 Australian Labor Party
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Until 26/1/1966 Liberal Party
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Until 19/12/1967 Liberal Party
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Until 10/1/1968 Country Party
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Until 10/3/1971 Liberal Party
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Until 5/12/1972 Liberal Party
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Until 11/11/1975 Australian Labor Party
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Until 11/03/1983 Liberal Party
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Until 19/12/1991 Australian Labor Party
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Until 2/3/1996 Australian Labor Party
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Until 24/11/2007 Liberal Party
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Until 24/6/2010 Labor Party
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Still in office Labor Party