An Inspector Calls By madele1ne Dec 18, 1907 Oklahoma entering the union Dec 18, 1907 Baring Japanese and Korean laborers from the U.S. Dec 18, 1908 National Conservation Commission Dec 18, 1909 Dawes Act.18 Dec 1909 Dec 15, 1910 Work for Women. 15 Dec 1910 Dec 16, 1910 Electricity was used in homes Dec 16, 1910 "Big Bill" Dec 18, 1914 Ludlow Massacre Dec 18, 1916 Boeing Airplane Company Dec 18, 1916 World leads to violence Apr 2, 1917 U.S. declares war on Germany Apr 2, 1917 U.S. declares war on Germany Dec 16, 1920 The Teapot Dome Scandal Oct 24, 1930 Black Thursday Mar 21, 1933 The Civilian Conservation Corps. Dec 19, 1933 The Home Owner's Loan Corporation Apr 9, 1940 Hitler attacks Denmark and Norway. Sep 14, 1940 Burke Wadsworth Act Dec 16, 1940 Farming from WW2 Dec 19, 1941 The Atlantic Charter. Dec 19, 1942 Revenue Act Dec 19, 1945 Franklin Roosevelt dies.