Modern World (1918-1939) By amiramarwan Period: Jan 28, 1918 to Jan 28, 1939 Modern World (1918-1939) Jan 28, 1919 1919-The treaty of Versailles is signed. 1919-The treaty of Versailles is signed and revolutionary outbreak takes place accross Europe. Jan 28, 1921 1921-The Bolsheviks win the Russian Civil War Jan 28, 1922 1922-Mussolini and his fascists take power in Italy.