Russian Revolution 1830 to 1918 By Hamza Barkat 1894 Start of Nicholas II reign 1903 Social democratic Party splits into Bolsheviks and Mensheviks Period: 1904 to 1905 Russian - Japanese war 1905 October manifesto Jan 22, 1905 Bloody sunday 1914 Russia enters WW1 1915 Tsar takes personal control of army 1917 Kornilov revolt 1917 April thesis Mar 15, 1917 Tsar abdicates Period: Jul 3, 1917 to Jul 7, 1917 July days 1921 Lenin announces New Economic Policy 1921 Mutiny at Kronstadt naval base