1893 – Birth of Tenente Silvio Scaroni, Italian World War I fighter pilot. Credited with 26 victories, he becomes the second-ranking Italian ace of the war.
1940 – The first bombing raid over Germany by the Royal Air Force takes place.
1941 – First flight of the Platt-LePage XR-1, also known by the company designation PL-3, early American twin-rotor helicopter.
1959 – Capital Airlines Flight 75, a Vickers Viscount 745D flying from New York City to Atlanta, Ga., breaks up in flight over Chase, Md., due to loss of control in severe turbulence; all 31 on board are killed.
2002 – Death of Alfred Vogt, German glider designer.
2011 – A Eurocopter X3 (shown), French experimental compound helicopter, flies at 267 mph while using less than 80 percent of available power.