19th Century (1900-1939) By Nightcore Period: Jan 1, 1900 to Dec 31, 1939 19th Century (1900-1939) Jun 12, 1901 Platt Amendment Created Sep 14, 1901 Theodore Roosevelt takes office Nov 18, 1901 Hay-Pauncefote Treaty Created Sep 2, 1903 Theodore Roosevelt implements the Big Stick Policy Nov 13, 1903 Alaskan Boundary Treaty created Mar 4, 1909 William H. Taft takes office Feb 27, 1911 Mexican revolution causes hundreds of refugees to flee to America Mar 4, 1913 Woodrow Wilson takes office Jun 28, 1914 Assassination of Archduke Franz Ferdinand of Austria Jul 28, 1914 world war 1 begins May 7, 1915 RMS Lusitania torpedoed and sunk Jun 11, 1916 Pancho Villa raid into america Jun 16, 1917 Zimmerman Telegram Jun 8, 1918 Wilson states his "Fourteen Points" Sep 27, 1918 allies begin intervention in the russian civil war Nov 11, 1918 world war 1 ends Jun 28, 1919 Versailles treaty signed Jun 28, 1919 league of nations proposed Mar 4, 1921 Warren Harding takes office Nov 12, 1921 Washington Naval Conference Aug 2, 1923 Calvin Coolidge takes office Jan 22, 1927 Naval Disarmament Conference in Geneva (failure to reach an agreement) Aug 27, 1928 Kellogg–Briand Pact Mar 4, 1929 Herbert Hoover takes office Jun 7, 1932 Stimson Doctrine Mar 4, 1933 Franklin D. Roosevelt takes office Jun 12, 1933 London Economic Conference Aug 31, 1935 Neutrality Acts of 1935 Feb 22, 1936 Neutrality Act of 1936 Jun 9, 1937 Neutrality Act of 1937 Sep 30, 1938 Munich Agreement reached Sep 1, 1939 World War 2 Begins Nov 4, 1939 Neutrality Act of 1939
