1894 - Birth of Walter George Raymond Hinchliffe, British WWI flying ace, pioneering military and civilian aviator.
1896 - Birth of Walter Göttsch, German WWI fighter ace.
1897 - Birth of John Herbert Towne Letts, British WWI flighter ace.
1908 - The Aeronautical Society of New York, the 1st flying club, opens with facilities at Morris Park Racetrack.
1909 - 1st flight of the Fernandez No.2, early spanish biplane, based of the No 1 frame, reengined and with a single propeller and 4 wheels.
1910 - The world's youngest flyer, 16-year-old Frenchman Marcel Hanriot, gets his pilot's brevet, no. 95.
1911 - Birth of Otto-Heinrich von Houwald, Spanish War german flying ace, who also served in WWII.
1912 – The Austro-Hungarian submarine U-5 tows a kite balloon, apparently to determine the best coloration for submarines to avoid detection while underwater.
1912 - 1st German airmail is flown by airships Zeppelin 'Schwaben' and 'Gelber Hund' from Darmstadt to Frankfurt/Main.
1913 - Marcel Georges Brindejonc des Moulinais wins the Pommeroy cup in Warsaw for the longest flight between sunrise and sunset, flying 900 miles from Paris.
1918 - The Petroczy-Karman-Zurovec PKZ 2, Austro-Hungarian early helicopter using counter-rotating rotors to cancel torque effects, is destroyed in a crash.
1918 - Death of John Gerald Manuel, Canadian WWI flying ace, in a mid air collision with another Sopwith Camel
1919 - Death of Mieczyslaw Sylwester Garsztka, Polish WWI flying ace, Instructor, killed in a crash flying a captured SPAD S VII during the polish-Ukrainian war.
1919 - American aviatrix Ruth Bancroft Law (Oliver) sets an altiture record of 14,700 feet (4,481 m).
1925 - 1st flight of the Polikarpov PM-1, Russian large single engine passenger Biplane aircraft.
1926 - 1st flight of the Lioré et Olivier LeO H-15, French 3 engine biplane flying boat prototype.
1929 - Birth of James Alton McDivitt, USAF test pilot and NASA astronaut.
1931 - French Marcel Doret, Joseph Marie Le Brix and René Mesmin, with the 3 seat record aircraft Dewoitine D-33 'Trait d'union', set a world close course record of 10520 km in 70 hrs.
1933 - The Cuatro Vientos, a specially built Br.19 TF Super Bidon, takes off from Seville, Spain with Mariano Barberán y Tros de Ilarduya, Joaquín Collar Serra and Modesto Madariaga for a transatlantic flight to Cuba.
1939 - 1st flight of The Yatsenko I-28, Soviet single-seat fighter prototype, low-wing cantilever monoplane of mixed construction.
1940 – Italy declares war on Britain and its allies and begins an aerial assault on Malta.
1940 - Canadian Defence Minister Norman McLeod Rogers and 3 crew were killed in the crash of a Hudson Mk. I, a military version of the Lockheed 14-F62 airliner.
1942 - 1st flight of the pre-production prototype Polikarpov I-185 Etalon (Standard), Soviet fighter aircraft.
1942 - Birth of Pyotr Ilyich Klimuk, Soviet pilot, cosmonaut and 1st Belarusian to perform space travel.
1943 - Operation Corkscrew : 14,203 bombs amounting to 4,119 tons are dropped over Pantellaria island for clearing the way for the invasion of Sicily.
1944 - 1st flight of the SAAB 18B, Daimler-Benz powered prototype of the Swedish twin-engine bomber and reconnaissance aircraft.
1944 – Flying from Italy carrying one 1,000-lb (454-kg) bomb each, 46 P-38 Lightning fighters of the USAF 82nd Fighter Group make a very-long-range fighter-bomber attack on the Romanian-American Oil Refinery at Ploesti, Romania. They destroy 23 German aircraft in exchange for the loss of 22 P-38s.
1947 - 1st flight of the Arsenal AIR 100, French high wing single seat competition glider.
1950 - 1st flight of the SNCASE SE-3110, French single seat helicopter prototype.
1953 - 1st flight of the Potez 75, French light ground attack pusher configuration monoplane prototype.
1953 - The final experimental test flight for the turbojet powered #3 Douglas D-558-I Skystreak is flown by A. Scott Crossfield.
1956 - Death of Thomas Melling "Tommy" Williams, British WWI flying ace, High ranking officer during and post WWII.
1959 - 1st flight of the SNCASE SE.3200 Frelon, french Prototype transport helicopter powered by three 597 kW) (800 hp) Turbomeca Turmo IIIB engines diving four bladed rotor of 15.2 m (50 ft) diameter.
1960 - Trans Australia Airlines Flight 538 Fokker F-27 Friendship 100 crashed into the ocean south-east of Mackay, Australia, on final approach to land at night and in foggy conditions, killing all 29 on board.
1964 – 1st Lockheed XV-4A Hummingbird crashed, killing the pilot, after it had just transitioned from conventional to vertical flight at 3,000 feet (914 m) when control was lost.
1965 - 1st automatic landing by a civil airliner in scheduled passenger service is done by a Hawker Siddeley HS 121 Trident.
1967 - 1st flight of The Mikoyan-Gurevich MiG-23 (NATO reporting name: "Flogger"), soviet variable-geometry fighter aircraft.
1972 - Death of Herbert Joseph "Jimmy" Larkin, Australian WWI flying ace, Pionneering australian aviator, airmail pilot, raid pilot who setted the Larkin Aircraft Supply Company. He served also in WWII.
1972 - Death of John Lucian Smith, USMC WWII fighter ace, who worked later for Grumman Aerospace and Rocketdyne.
1973 - 1st flight of The IAR-823, romanian civil and military side by side trainer aircraft, conventional low-wing monoplane with retractable tricycle undercarriage which could be fitted with 2 more seats.
1978 - Launch of Chalet 1 (Vortex), 1st of a serie of American spy satellites to collect signals intelligence (SIGINT) from high Earth orbit.
1987 - A Sukhoi Su-27 (T10-15 or P-42, Special version built to beat climb time records), flying as a STOL-class aircraft, set a record for the level flight altitude that amounted to 19,335 m.
1987 - 1st flight of The Boeing Model 360, American experimental medium-lift tandem rotor cargo helicopter .
1999 - Canadian CF-188 Hornets began Operation Joint Guardian during the Kosovo Air War.
2003 - Launch of Spirit, MER-A (Mars Exploration Rover - A), US robotic rover on Mars, active from 2004 to 2010. It was one of two rovers of NASA's ongoing Mars Exploration Rover Mission.
2005 - Death of Curtis Pitts, American aircraft designer, known for a series of popular aerobatic biplanes as the Pitts Special.
2008 - Sudan Airways Flight 109 Airbus A310-300 crash landed at Khartoum International Airport due to bad weather, killing 30 of 214 occupants on board after it broke apart and subsequently caught fire.
2009 - SELENE (Selenological and Engineering Explorer), better known in Japan by its nickname Kaguya, 2nd Japanese lunar orbiter spacecraft, is intentionally crashed on the moon.
2009 - Indian Air Force An-32 transport plane carrying 13 people crashed shortly after it took off from Mechukha in Arunachal Pradesh. All the 13 people on board were reported to have been killed.
2010 - During a test flight, the Lockheed Martin F-35B became the 2nd STOVL aircraft to achieve supersonic speeds.
2012 – A Kenya Police Eurocopter AS350 crashes on a hill in the Kibiku area of the Ngong Forest just outside Nairobi, Kenya, killing all six people on board. Among the fatalities are Kenya's Minister of Interior Security and likely presidential candidate George Saitoti and Assistant Minister of Interior Security Joshua Orwa Ojode.