The Roaring 20s Project By gretsuk.t Mar 4, 1913 Woodrow Wilson begins his presidency Aug 15, 1914 Panama Canal opens Oct 14, 1914 Signs the Clayton Anti-trust Act Nov 7, 1916 Woodrow Wilson is reelected President Mar 1, 1917 White House releases content of the Zimmerman Note Apr 6, 1917 United States declares war on Germany Mar 4, 1921 Warren G. Harding begins his presidency May 19, 1921 Signs the Emergency Quota Act Feb 27, 1922 The Supreme Court finds the 19th Amendment constitutional Jan 2, 1923 Teapot Dome Scandal begins to unfold Jun 20, 1923 Harding and his wife leave for his transcontinental tour Aug 2, 1923 Calvin Coolidge begins his presidency after Harding's death Aug 30, 1924 The Dawes Plan is signed by the United States, France, Great Britain, Italy, and Belgium Nov 4, 1924 Calvin Coolidge wins presidential election Jul 2, 1926 Congress establishes the Army Air Corps Feb 23, 1927 Congress creates the Federal Radio commission to regulate national and international communication Aug 27, 1928 The Kellogg-Briand Pact is signed by the US and 15 other nations Mar 4, 1929 Herbert Hoover begins his presidency Sep 22, 1929 The construction contract for the Empire State Building is awarded Oct 29, 1929 "Black Tuesday" marks the beginning of the Great Depression Sep 17, 1930 Construction of the Hoover Dam begins in Las Vegas Jan 22, 1932 Hoover establishes the Reconstruction Finance Corporation Mar 4, 1933 Franklin D. Roosevelt begins his presidency Mar 9, 1933 Roosevelt's "Hundred Days" begins, during which Congress enacts many of the programs of FDR's "New Deal." Jun 28, 1934 Establishes Federal Housing Administration Aug 14, 1935 Signs the Social Security Act Aug 23, 1935 Signs Neutrality Act which imposes a mandatory arms embargo on all belligerents Apr 15, 1939 Sends messages to Hitler and Mussolini seeking assurance that they will not invade 31 independent nations