Modernism Timeline By dtaylor2019 Jan 5, 1914 Basic Wage Rates are Increased from $2.40 to $5 Apr 20, 1914 Colorado Coalfield Massacre Jul 11, 1914 Babe Ruth makes first major debut Jan 26, 1915 Establishment of Rocky Mountain National Park Apr 6, 1917 United States declares war on Germany Mar 19, 1918 Time zones are established Jun 28, 1919 Treaty of Versailles signed, end of World War I Jan 10, 1920 League of Nations Established Sep 17, 1920 American professional football league established Feb 5, 1922 Readers Digest founded Mar 2, 1923 Time Magazine published for the first time Jan 25, 1924 First winter Olympics held Jul 10, 1924 The Scopes Trial begins Apr 10, 1925 The Great Gatsby published Jun 17, 1928 Amelia Earhart becomes first women to fly over the Atlantic Jan 15, 1929 Martin Luther King is born Apr 22, 1930 London Naval Reduction Treaty is signed Jun 17, 1930 Smoot-Hawley Tariff Act is signed Dec 5, 1933 21st Amendment is Passed Aug 14, 1935 Social Security Act passed May 30, 1936 Gone with the Wind is published Apr 14, 1939 The Grapes of Wrath published Sep 16, 1940 U.S. Congress enacts peacetime conscription draft Mar 11, 1941 Lend Lease Act Approved Dec 7, 1941 Attack on Pearl Harbor Jun 4, 1942 Battle of Midway Feb 4, 1945 Yalta Conference Apr 12, 1945 President Roosevelt dies, and Harry S. Truman takes his place Jul 16, 1945 Trinity Test in New Mexico
