GCU time line By hltucker Jul 4, 1776 Declaration of Independence Mar 1, 1846 U.S. Mexico War Jul 9, 1868 14th Amendment of US Constitiution May 6, 1882 Chinese Excusion Act Jun 29, 1906 Naturalization Act of 1906 Feb 14, 1912 Arizona becoming a State of the United States May 26, 1924 Immigration Act of 1924 Oct 29, 1929 Wall Street Crash of 1929 Dec 17, 1943 Magnuson Act Jun 30, 1965 Immigration and Nationality Act or 1965 Nov 6, 1968 Immigration Reform and Control Act Nov 29, 1990 Immigration Act of 1990 Oct 26, 2006 Secure Fence Act of 2006 Apr 23, 2010 Arizona SB 1070 Apr 17, 2013 The Gang of 8