History Timeline By HIstorians Jan 1, 1895 Guglielmo Marconi sent the first radio signal Jan 1, 1898 Spanish-American war Dec 17, 1903 Wright Brothers, first manned and gas-powered airplane Jan 1, 1912 Alfred Wegener; Continental drift Apr 15, 1912 Titanic sinks Period: May 1, 1914 to May 1, 1918 World War I Jan 1, 1917 Russian revolutions give way for communism Nov 11, 1918 World War I Ends Apr 28, 1919 League of Nations founded The League of Nation's task was simply to ensure that war never broke out again Jun 28, 1919 Treaty of Versailles signed Mar 4, 1921 Warren G. Harding elected Jun 29, 1921 Adolf Hitler becomes Leader of Nazi Party Aug 2, 1923 Calvin Coolidge elected Jan 1, 1924 Edwin Hubble discovers that the Milky Way galaxy is not alone Jul 10, 1925 Scopes Monkey Trial begins Sep 8, 1927 Georges Lemaitre; the Big Bang Jan 1, 1931 Ernst Ruska and Max Knoll build first electron microscope Nov 8, 1932 FDR elected President Jan 27, 1933 German Reichstag burns down Jan 30, 1933 Hitler elected Chancellor of Germany Aug 19, 1934 Hitler elected Fuhrer of Germany Sep 15, 1935 Numerberg Race Laws implemented in Germany http://www.youtube.com/watch?v=xcudlm6tPa0 Oct 30, 1938 War of the Worlds radio broadcast creates nationwide panic Period: May 1, 1939 to May 1, 1945 World War II Dec 1, 1944 Battle of the Bulge Feb 1, 1945 Battle of Iwo Jima Aug 6, 1945 “Little Boy” atomic bomb dropped on Hiroshima http://www.youtube.com/watch?v=2lDFLLKSkUg&t=2m51s Aug 9, 1945 “Fat Man” atomic bomb dropped on Nagasaki Oct 8, 1945 First microwave oven patented, based on Percy Spencer’s design Nov 21, 1945 Nuremberg Trials begin Period: May 1, 1950 to May 1, 1953 Korean War Jan 1, 1953 James D. Watson and Francis Crick discover the helical structure of DNA Jan 20, 1953 Dwight D. Eisenhower elected Period: May 1, 1960 to May 1, 1975 Vietnam War Jan 1, 1961 Bay of Pigs Invasion Jan 20, 1961 Dwight D. Eisenhower elected Jan 20, 1961 John F. Kennedy elected Nov 22, 1963 Lyndon B. Johnson elected Nov 22, 1963 JFK assassinated http://www.youtube.com/watch?v=rEVfKKjODBg&t=2m39s Jan 1, 1965 James Russell invents the compact disc Jan 20, 1967 Richard Nixon elected Jun 20, 1969 Humans walk on the surface of the moon http://www.youtube.com/watch?v=RMINSD7MmT4 Jan 1, 1989 US invasion of Panama Apr 15, 1989 Tiananmen Square protests
