1899 – Birth of George Raby Riley, British World War I fighter ace.
1921 – American James Herbert Knight, part of a relay team that flew 2,629 miles across the U.S., lands his de Havilland DH-4B in Chicago, completing the first overnight transcontinental air mail delivery.
1929 – First flight of the Breguet 27 (model 274 shown), French all-metal observation biplane.
1937 – Douglas delivers its first production B-18 Bolo, a medium bomber.
1944 – Death of Yoshio Wajima, Japanese World War II flying ace, killed in action.
2011 – Two U.S. Marine Corps helicopters, a Bell UH-1Y Venom and a Bell AH-1W SuperCobra, collide at night on the Yuma training range in Arizona All seven crew members perish.