1877 - Birth of Hélène Dutrieu, Belgian - French cycling world champion, stunt cyclist, stunt motorcyclist, automobile racer, stunt driver, pioneer aviator, wartime ambulance driver, and director of a military hospital.
1898 - Birth of Alexander Zenzes, German WWI fighter ace who later served with the Marine Freikorps in the Baltic .
1910 - Walter Brookins attains an altitude of 6,175 feet in a Wright biplane, becoming the 1st to fly a mile high and wins a prize of $5,000 for his feat.
1914 - Reinhold Böhm takes off in his Albatros-biplane for a 24 hours and 12 minutes nonstop flight without refueling.
1916 - 1st flight of The Savoia-Pomilio SP.2, Italian biplane reconnaissance and bomber aircraft, refined version of the SP.1, basic configuration from the Farman MF.11.
1918 - Death of James John Scaramanga, British WWI flying ace (as observer), from wounds received in his Bristol F.2b during a dogfight. Regaining consciousness and with his one good arm shoot down the attacking Pfalz D.III.
1919 - British rigid airship, R-34, takes off from Long Island, New York, for a trip back to Pulham, Norfolk, for the 1st Atlantic double-crossing (return flight).
1919 - Death of Jean Marie Dominique Navarre, French WWI fighter ace and test pilot. While practicing for a flight through the Arc de Triomphe, Navarre crashed his Morane-Saulnier and died at Villacoublay.
1920 - Birth of Rudolf Božík, Slovak WWII flying ace who served on the Eastern front with the Axis Forces until The Slovak National Uprising (armed insurrection organized by the Slovak resistance movement during WWII).
1922 - Aircraft Development Corporation (later renamed Detroit Aircraft Corporation) is incorporated.
1924 – Japanese aircraft sink a ship for the 1st time, when Imperial Japanese Navy bombers use level bombing from an average height of 1,000 m (3,281 feet) over the course of four hours to sink the retired coast defense battleship Iwami off Yokosuka.
1926 - Hubert Standford Broad wins the King's Cup Race, annual British handicapped cross-country air race , with a de Havilland DH.60 Moth.
1929 - 1st flight of The Macchi M.67, Italian racing seaplane designed for the Schneider Trophy race.
1929 - 1st flight of the Albert A-10, French High wing monoplane 4 seat single engine transport prototype.
1929 - 1st flight of the Blériot Bl-127/4, French twin engine 5 seat bomber prototype.
1933 - The 2nd Breda Ba.27 prototype (Italian low-wing braced monoplane fighter) flew from Milan to Rome-Montecelio in 90 min at an average speed of 334km/h.
1935 - Air Bleu starts daily mail operations in France using Caudron C.630 Simoun.
1935 - The Bell Aircraft Company is formed.
1938 - Howard Hughes takes off in a Lockheed Super Electra from Floyd Bennett Field, New York, for a global circumnavigation flight with four crewmates (Harry Connor, copilot and navigator; Tom Thurlow, navigator; Richard Stoddart, radio operator; and Ed Lund, flight engineer)
1939 - 1st flight of the Dewoitine D-720, French 3 seat twin engine army cooperation aircraft prototype.
1939 - 1st flight of the SNCAC NC-410, French twin engine torpedo bomber prototype.
1939 - The Willoughby Delta 8 (or delta F), british small twin-engined aerodynamic test bed for a proposed flying wing airliner, crashes killing pilot Hugh Olley and the Delta's designer, Percival Willoughby.
1940 - The preliminary phase of the Battle of Britain, the Kanalkampf, or Channel battle, begins with German attacks on convoys in the English Channel and the ports along Britain's southern coast.
1942 - American PBY Catalina piloted by Lieutenant William "Bill" Thies spotted the wreckage of a Mitsubishi A6M Zero Japanese fighter plane that crash-landed on Akutan Island, Alaska Territory. Later captured intact, it became the 1st flyable Zero acquired by the United States during the war and flown by American test pilots.
1942 - Birth of Pyotr Ilyich Klimuk, Soviet cosmonaut and 1st Belarusian to perform space travel
1942 - 1st flight of The Douglas A-26 Invader (B-26 between 1948–1965), American twin-engined light attack bomber.
1943 - Death of Guido Nobili, Spanish war Italian flying ace and WWII pilot, killed in action in his Reggiane Re2002.
1944 - The Messerschmitt Me-262 becomes the world's 1st turbojet-powered aircraft to enter operational service at Juvincourt, France
1947 - 1st flight of The Airspeed AS.57 Ambassador, British twin piston engined airliner.
1950 - Avro Canada TR.5 Orenda, 1st production jet engine from Avro Canada's Gas Turbine Division, makes it's 1st flight with a converted Avro Lancaster of which the 2 outboard Merlin engines were replaced with the Orendas.
1952 - Prototype Supermarine Swift (British single-seat swept-wing fighter) established an international point-to-point record between London and Brussels, covering 320km in 18 minutes 3.3 seconds, representing a speed of 1,071.7km/h.
1953 - New York Airways becomes the 1st scheduled helicopter carrier in the USA and the 1st passenger helicopter carrier in the world
1955 - Death of Étienne Oehmichen, French engineer and helicopter designer.
1959 - 1st flight of the Mikoyan-Gurevich Ye-152A, prototype single-seat fighter/interceptor , part of the Mikoyan-Gurevich Ye-150 family.
1961 - Death of Francis May Simonds, American WWI flying ace
1962 - Launch of Telstar 1, 1st satellite to relay television signals. It successfully relayed through space the 1st television pictures, telephone calls, fax images and provided the 1st live transatlantic television feed.
1964 - 1st flight of the Dassault 'Mystère' 20, French business jet.
1965 - Skyways Coach-Air Avro 748-101 Series 1 crashed on landing at Lympne Airport, Kent, UK, due to the grass runway being unable to support the weight of the aircraft during a heavy landing. This caused the nose wheels to dig in and the aircraft to overturn, losing both wings and the starboard tailplane in the process. All 52 people on board survived. A concrete runway was later installed at Lympne.
1965 - 1st USAF aerial victories of the Vietnam War are scored by F-4C Phantoms of the 45th Tactical Fighter Squadron against North Vietnamese MiG-17s.
1967 – Air Pacific, Fijian airline (later Air Fiji), begin operations.
1968 - 1st flight of The Mil V-12 (also referred to as the Mi-12, NATO reporting name "Homer"), largest helicopter ever built.
1985 - Aeroflot Flight 7425 Tupolev Tu-154B-2 stalled at high altitude and entered a flat spin, crashing near Uchkuduk, Uzbek SSR, Soviet Union, killing all 200 on board
1991 - L'Express Airlines Flight 508 Beech C99 crashed while attempting to make an ILS approach at Birmingham Municipal Airport (now Birmingham-Shuttlesworth International Airport) in Birmingham, Alabama, in the Fairview area near Five Points West in the Ensley neighborhood, Killing 13 over 15.
2000 - EADS is formed by the merger of Aérospatiale-Matra, Dornier, DaimlerChrysler Aerospace AG (DASA), and Construcciones Aeronáuticas SA (CASA).
2004 - 1st flight of The Comp Air Jet, American eight-seat, low-wing, pressurized, tricycle undercarriage, turbofan-powered civil utility aircraft for amateur construction.
2005 - Launch of Suzaku (formerly ASTRO-EII), Japanese X-ray astronomy satellite
2006 - Pakistan International Airlines PIA Flight 688, operated by a Fokker F.27, crashes in Pakistan after bursting into flames a few minutes after takeoff, with the loss of all 45 on board.
2013 - 1st ever landing of UAV/RPA on an aircraft carrier : A Northrop Grumman X-47B, American unmanned combat air vehicle, succesfully landed on the carrier USS George H.W. Bush.