Timeline 20th Century By Nash SM Nov 6, 1911 Francisco I. Madero becomes president Feb 22, 1913 Assassination of Madero Jul 28, 1914 Begininng of WWI Period: Jul 28, 1914 to Nov 11, 1918 World War I Period: Mar 8, 1917 to Nov 8, 1917 Socialist Russian Revolution Nov 7, 1917 October Revolution Jan 8, 1918 Publication of Woodrow Wilson's 14 points Nov 11, 1918 End of WWI Dec 1, 1920 Beginning of the Government of Obregón Apr 3, 1922 Stalin arrives to power Dec 1, 1924 First presidency of the Maximato Aug 1, 1926 Beginning of the Cristero movement Sep 4, 1929 Beginning of the Great Depression Jan 30, 1933 Hitler rises to power Dec 1, 1934 Lázaro Cárdenas becomes president Sep 1, 1939 Beginning of WWII Period: Sep 1, 1939 to Sep 2, 1945 WWII Apr 12, 1945 Harry Truman arrives to power Aug 6, 1945 Bombing of Hiroshima Aug 9, 1945 Bombing of Nagasaki Sep 3, 1945 Soviet invasion to Hungary May 14, 1948 Formation of the State of Israel Jun 24, 1948 Berlin Airlift Jun 25, 1950 Beginning of the Korean War Aug 1, 1961 Beginning of the Participation of the US in the Vietnam War Period: Jan 5, 1968 to Aug 21, 1968 Prague Spring Oct 2, 1968 Massacre in Tlatelolco Jan 1, 1980 Latin American debt crisis Jan 20, 1981 Ronald Reagan arrives to power Nov 9, 1989 Fall of the Berlin Wall