• 18631st wartime conscription law in US goes into effect
  • 1865-9] Battle at Blakely Alabama
  • 1918 United Kingdom: the Royal Air Force is created from the Royal Naval Air Service and the Royal Flying Corps.
  • 1924 Imperial Airways forms in Britain
  • 1924 The Royal Canadian Air Force is formed.
  • 1941US Navy takes over Treasure Island1945 US forces invade Okinawa during WW II
  • 1952 Big Bang theory proposed in Physical Review by Alpher, Bethe & Gamow
  • 1960 1st weather satellite