-
1917
Communist revolution in Russia and its empire creates several new countries that are known as the Union of Soviet Socialist Republics (USSR) and under the leadership of Vlodimir Lenin -
1919
The Comintern, an international communist organisation formed -
1923
Australia's first radio broadcast takes place in Sydney -
1924
Death of Vlodimir Lenin; Joseph Stalin (the general secretary of the Communist Party) takes over power in the USSR -
1927
The Jazz Singer begins the era of 'talking pictures' and the end of silent movies -
1929
28 October, Wall Street stock market crash, beginning of global depression -
1933
English cricket team devises 'bodyline bowling' to beat the run'scoring talents of Don Bradman -
1939
World War II begins when Germany invades Poland