Arizona and U.S. History By afarrand Jul 4, 1776 Declaration of Independence was Adopted Sep 17, 1787 U.S. Constitution signed Sep 17, 1847 Harriet Tubman Escapes Slavery Apr 12, 1861 American Civil War Began May 9, 1865 Civil War Ended Dec 17, 1903 Wright Brothers First Flight Picture of Wright Brothers First Flight Feb 14, 1912 Arizona became a State Arizona Flag Jul 28, 1914 Start of World War I Nov 11, 1918 End of World War I Aug 26, 1920 19th Ammendment passed allowing Women had the rigth to vote Sep 1, 1939 Star of World War II Sep 2, 1945 End of World War II Dec 1, 1955 Rosa Parks refused to give up her bus seat Rosa Parks refused to give up her bus seat to a Caucasian man. Nov 22, 1963 Assassination of President John F. Kennedy President John F. Kennedy was Assassinated on November 22, 1963 around 12:30 p.m. Mar 15, 1965 Equal Voting Rights were Passed Apr 4, 1968 Assassination of Martin Luther King Jr. Sep 26, 1981 Sandra Day O'Connor First Female Supreme Court Justice Jan 20, 2009 President Barack Obama first took office as President President Obama Offical portrait