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Communist revolution in Russia and its empire creates several new countries that are known as the Union of Soviet Socialists Republics (USSR) and under the leadership of Vladimir Lenin
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The Comintern, a international communist organisation was formed.
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Australias first radio broadcast takes place in Sydney
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Death of Vladimir Lenin; Joseph Stalin (the general secretary of the Communist Party) takes over power in the USSR
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The Jazz Singer begins the era of ‘talking pictures’ and the end of silent movies
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28 October, Wall Street stock market crash; beginning of global depression
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Hitler becomes Chancellor of Germany
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World War II begins when Germany invades Poland
