1908 - The De Pischoff et Koechlin monoplane, early french tandem monopane aircraft, is reported to have hopped once for 500 meters at Villacoublay.
1910 - 1st Gordon Bennett International Air Race at Belmont Park in New York is won by Claude Grahame-White.
1911 - 1st flight of the 1st 'safe' aeroplane, the Short Tandem Twin (The Vacuum Cleaner or Gnome Sandwich, a S.27 rebuilt). Either of its two engines could be switched off during flight.It was fitted with a short nacelle on top of the lower wing with a 50 hp (37 kW) Gnome Omega at either end.
1915 - Argentinian Angel María Zuloaga sets a world distance record with the balloon 'Newbery Eduardo' from Belgrano (Argentina) to Leopoldo & Sao (Brazil) (900 km in 11hr 5 min.
1918 - Death of Michel Joseph Callixte Marie Coiffard, French WWI fighter ace, from wounds received in action.
1918 - Death of John Towlson Morgan, British WWI flying ace, killed in a flying accident.
1918 - Death of Karl John Schoen, American WWI flying ace, killed in action in his SPAD XIII just after scoring his last 2 victories.
1921 - 1st flight of the Wibault 2, French Single engine twin seat night heavy bomber biplane prototype.
1923 - Birth of Lev Kirilovich Shchukin, Soviet WWII instructor and Korean War fighter ace.
1925 - The Royal Observer Corps (ROC), civil defence organisation, is formed
1936 - 1st bombing mission of russians SB-2 during the spanish civil war is made by 4 SB-2 (ANT-40) against Tablada airfield, Seville.
1936 - Jim A. Mollison takes off from Harbour Grace in Newfoundland to Croydon england for a west to east North Atlantic crossing record in a Bellanca 28-90 Flash (evolution of the 28-70).
1944 - Death of Tadashi Shono, Japanese WWII fighter ace, killed in action.
1944 - Death of Yuichi Ema, Japanese WWII flying ace, killed in action.
1944 - Death of Masoa Miyamaru, Japanese WWII instructor and flying ace, killed in action.
1947 - 1st flight of the Piper PA-15 Vagabond, American two seat, high wing, conventional gear light aircraft.
1947 - Birth of Jeffrey Ethell, American aviation author and pilot.
1949 - 1st flight of the Piasecki PV-17 / HRP-2, United States tandem-rotor transport or rescue helicopter, all-metal stressed-skin construction evolution of the HRP-1
1952 - Birth of Valeri Ivanovich Tokarev, Russian air force pilot and Cosmonaut.
1953 - British Commonwealth Pacific Airlines (BCPA) Flight 304/44 Douglas DC-6 'Resolution' crashed because of a radio navigational error during its initial approach towards San Francisco International Airport, killing all 19 people on board, including the American pianist William Kapell
1953 - A world record of 754mph over a 15 kilometre course is set by Lieutenant Colonel F.K. Everest flying the 1st North American YF-100A Super Sabre fighter prototype.
1956 - Operation Kadesh: an Israeli operation to occupy the Sinai Peninsula, begins with strikes by Israeli Air Force F-51 Mustangs against Egyptian forces and facilities throughout the Sinai and the parachute drop by Douglas DC-3s of an 400-man Israeli battalion near the Sinai’s Mitla Pass, where French aircraft drop supplies to them by parachute. Four Israeli Mustangs severely disrupt Egyptian command and control in the Sinai by cutting all overhead telephone lines there with their wings and propellers.
1956 - 1st flight of The Omega BS-12, Canadian utility helicopter with ground clearance designed to carry loads behind the cabin at the center of gravity
1959 - 1st flight of The Antonov An-24 'Coke', soviet 44-seat twin turboprop transport aircraft.
1960 - Arctic Pacific Curtiss C-46F-1-CU Commando crashed on takeoff in bad weather at the Toledo Express Airport in Toledo, Ohio, killing 22 over 48, including 16 players of the California Polytechnic State University football team.
1964 - Death of Benno Fiala von Fernbrugg, Austro-Hungarian WWI fighter ace.
1970 - 1st flight of the Aérospatiale 'Caravelle' 12, French medium twin engine jetliner, evolution of the Sud Aviation 'Caravelle' 10B, last version of the serie.
1972 - A Lufthansa Boeing 727, flying from Beirut to Ankara is hijacked by a terrorist, demanding the release of three Palestinians held for murdering Israeli athletes at the Munich Olympic Games
1975 - Death of Reuben Hollis Fleet, American aviation pioneer, industrialist and army officer, founder of Consolidated Aircraft.
1980 – Demonstration flight of a secretly modified YMC-130H Hercules for an Iran hostage crisis rescue attempt ends in crash landing at Eglin Air Force Base's Duke Field, Florida leading to cancellation of Operation Credible Sport.
1980 - 1st flight of a company-financed General Dynamics F-16 Fighting Falcon (F16/79) multirole jet fighter aircraft , powered by a lower-cost 8165kg thrust General Electric J79-GE-119 afterburning turbojet engine
1986 - Death of Maurice Leblanc-Smith, British WWI flying ace
1991 – A Royal Australian Air Force Boeing 707-368C, crashes into the Pacific Ocean 43 km (27 mi) south of RAAF Base East Sale, Victoria, Australia, while conducting an asymmetric flight demonstration, killing all 5.
1991 – The American Galileo spacecraft makes its closest approach to 951 Gaspra, becoming the first probe to visit an asteroid.
1994 - Aeronika Antonov AN-12A crashes on approach in poor weather to Ust-Ilimsk Kaluga in central Russia, killing all 23
1998 – Space Shuttle Discovery blasts off on STS-95 with 77-year old John Glenn on board, making him the oldest person to go into space.
2003 - Death of Harold E. "Tommy" Thompson, American helicopter aviation pioneer, record setter, test pilot for Sykorski, 1st man to intentionally loop a helicopter and 1st man to land a helicopter in the courtyard of The Pentagon.
2005 - Ghana International Airlines is launched with inaugural flight from Accra to London.
2006 - Aviation Development Company Airlines (ADC) Flight 53 Boeing 737-2B7 crashed shortly after take-off from Nnamdi Azikiwe International Airport in Abuja, Nigeria, killing 97 over 110.
2008 - Launch of venesat-1, also known as Simón Bolívar, 1st Venezuelan satellite.
2008 – Delta Air Lines merges with Northwest Airlines, creating the world's largest airline and reducing the number of US legacy carriers to 5.
2009 - Death of Anna Alexandrovna Timofeyeva-Yegorova, Soviet WWII female pilot
2009 - United States Coast Guard Lockheed HC-130H-7 hercules collided with a USMC Bell AH-1W SuperCobra 15 miles (24 km) E of San Clemente Island, killing all 9 on both aircrafts.