20th Century By sophiecapson Jul 28, 1914 World War One Oct 20, 1927 First talking film Oct 29, 1930 Great Depression Sep 1, 1939 World War 2 Jan 1, 1954 Civil Rights Movement Aug 13, 1961 Berlin Wall Sep 5, 1972 Munich Olympics Massacre May 18, 1980 Mount St. Helens Erupts Apr 24, 1990 Hubble Telescope Launched Dec 25, 1991 Collapse of Soviet Union