Russia during the XIX and XX centuries By Wacho Period: 1850 to 1930 Russia during the XIX and XX centuries 1861 Emancipation of serfs 1904 Ruso-Japanese War 1905 Bloody Sunday 1910 First attempt of an helicopter 1914 Battle of Tannenberg Period: 1914 to 1918 First World War 1917 Revolution of February 1917 Revolution of October 1918 Execution of the tsar and his family 1918 Treaty of Brest-Litovsk Period: 1918 to 1921 Russian Civil War 1922 Birth of the Soviet Union