868px portrait menzies 1950s

Robert Menzies sworn in as Prime Minister 26 April 1939 for the first time.

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    Australia declares war on Germany 

    After German troops invaded Poland on 1 September, Britain declared war. The Dominions, including Australia, followed.
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    Resigned as Prime Minister

    He made the decision after losing the confidence of his Cabinet.
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    Elected Prime Minister for the 2nd time

    Robert Menzies became Prime Minister for the second time, starting a 16-year term that set a record in Australian politics.
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    Australia joins Korean War

    The Menzies Government announced that Australia would send troops to fight in Korea.
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    National Service begins

    Menzies announces the first call-up notice for military service under the National Service Act.
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    Queen Elizabeth II 

    Elizabeth II was proclaimed Queen after the death of her father, King George VI.
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    ANZUS Treaty 

    The security treaty between Australia, New Zealand and the United States, signed in Canberra on 1 September 1951 came into effect.
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    The Queen in Australia

    Queen Elizabeth arrived in Sydney aboard the royal yacht Gothic, making her the first reigning monarch to visit Australia.
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    Maralinga atomic tests 

    The first nuclear tests took place at Maralinga, South Australia. 
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    Melbourne Olympic Games

    Prince Philip, Duke of Edinburgh, opened Australia’s first Olympic Games in Melbourne.
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    ASIO Act 

    The Australian Security Intelligence Organisation Act made ASIO a statutory authority. 
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    US space tracking

    Australia signed an agreement to allow the United States to establish satellite tracking stations. 
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    War in Vietnam

    Prime Minister Robert Menzies announced Australian troops would be sent to Vietnam to support United States forces.
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    End of an era

    Menzies declares his intention to retire and resigns as Prime Minister bringing an end to the term of Australia's longest serving Prime Minister.