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port arthur massacre
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federation of australia
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queen victoria dies
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first airplane flies
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world war 1 breaks out
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world war 1 ends
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wall street crash triggers great depression
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world war 2
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United nations forms, replacing league of nations
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world war 2 ends
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Melbourne hosts olympic games
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vietnam war
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Cuban Missile Crisis Brings world to brink of nuclear war
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Harold Holt drowns
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Apollo 11 lands on the moon
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Australia goes metric
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Australia adopts decimal currency
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cyclone tracy flattens darwin
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Tiananmen Square Massacre
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Berlin wall collapses
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Nelson Mandela Released from prison
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Operation Desert storm launched
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princess diana dies in car crash
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Strikes on twin towers
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Aboriginal Australians given citizenship status