• 1861 Arizona Territory votes to leave the Union (US Civil War)
  • 1865 Battle of Averasboro NC (1,500 casualities)
  • 1882 US Senate ratifies treaty establishing the Red Cross
  • 1922 Sultan Fuad I crowned king of Egypt, England recognizes Egypt
  • 1922 WKY-AM in Oklahoma City OK begins radio transmissions
  • 1926 Robert Goddard launches 1st liquid fuel rocket, goes 184′ (56 meters)
  • 1929 WHP-AM in Harrisburg PA begins radio transmissions
  • 1955 President Eisenhower upheld the use of atomic weapons