1894 - Frederick William Lanchester, British aeronautical and automobile pioneer, announces his theory of circulatory air-flow to the Birmingham Natural History and Philosophical Society in England. This theory is later to become of pivotal importance in aerodynamics.
1895 - Birth of Adrian Lindley Trevor "King" Cole, Australian WWI flying ace and RAAF WWII high ranking officer.
1901 - American experimenter Samuel Pierpont Langley tests a quarter-scale model of his Aerodrome, a gasoline-driven flying machine. It makes 4 disappointingly short flights.
1912 - 1st fatal mid-air collision in history : Capt. Marcel Dubois and Lt. Albert Peignan of the French Army are killed near Douai when their planes collided in mid-air
1917 - Death of Yevgraph Nikolaevich Kruten, Russian WWI flying ace, killed in the crash of his Nieuport 17 while returning from a combat mission.
1918 - Major William Avery "Billy" Bishop, O/C 85 Squadron, is credited with 5 enemy aircrafts destroyed on this date on a last solo flight before returning to England that same day.
1918 - Death of Count Francesco Baracca , Italy's top fighter ace of WWI, killed in action in his SPAD VII by ground fire.
1918 – Lt. Frank Stuart Patterson, son and nephew of the co-founders of National Cash Register, is killed in the crash of his DH.4M, at Wilbur Wright Field during a flight test of a new mechanism for synchronizing machine gun and propeller, when a tie rod breaks during a dive from 15,000 feet (4,600 m), causing the wings to separate from the aircraft.
1924 - 1st flight of the Blériot Bl-117, French twin engine monoplane heavy bomber prototype.
1926 - 1st flight of The Blackburn R.>B.1 Iris I, British three-engined biplane flying boat used as a long-ranged maritime reconnaissance aircraft which carried out a number of notable long-distance flights
1930 - The all-metal Polish fighter, the PZL P-1, is the star of the International competition for fighter airplanes in Bucharest, Romania, winning 8 of the 15 prizes. This is a triumph for the brilliant designer Zygmund Pulawski, whose aircraft consistently out-performed those of his rivals.
1931 - 1st cross-Channel flight in a glider is made by Canadian opera singer Lissant Beardmore. He takes off from Lympne in a Professor glider (sailplane) and is towed by an aircraft to an altitude of 14,000 ft (4,300 m), landing at Saint-Inglevert after a flight of one and a half hour.
1933 - Birth of Viktor Ivanovich Patsayev, Soviet cosmonaut.
1935 - 1st flight of The Vickers Wellesley, British single engine light bomber.
1936 - 1st flight of the Farman F-220-0 , french high wing 4 tandem engine 5 seat monoplane transport aircraft developped from the F-220.
1937 - 1st flight of The Airspeed AS.10 Oxford, twin-engine aircraft used for training British Commonwealth aircrews in navigation, radio-operating, bombing and gunnery during WWII
1942 - 1st flight of The SAAB 18, Swedish twin-engine bomber and reconnaissance aircraft,
1943 - Death of Per-Johan Erik Salwén, Swedish WWII top biplane fighter ace and test pilot, killed in the crash of the FFVS J22 fighter prototype he was test-flying.
1944 - The Battle of the Philippine Sea begins, 5th of 5 major "carrier-versus-carrier" engagements between American and Japanese naval forces. The battle was nicknamed the "Great Marianas Turkey Shoot" by American aviators for the severely disproportional loss ratio inflicted upon Japanese aircraft by American pilots and anti-aircraft gunners.
1944 - Death of Ichiro Yamamoto, Japanese Navy WWII flying ace, killed in action during the Battle of the Philippine Sea.
1944 - Death of Kozaburo Yasui, Japanese WWII flying ace, killed in action
1944 - David McCampbell with his F6F Hellcat shot down five Japanese 'Judy' dive-bombers, becoming an "ace in a day", during the "Marianas Turkey Shoot,"
1947 - Death of Jacques Toussaint François Ortoli, French WWI flying ace who also served in WWII.
1947 - The Lockheed P-80B Shooting Star prototype, modified as a racer and designated XP-80R, piloted by Colonel Albert Boyd sets a world air speed record of 623.73 mph (1,004.2 km/h)
1950 - 1st flight of The Hawker P.1081, also known as the "Australian Fighter", prototype British jet aircraft to meet a specification put out by the Australian government
1950 - 1st fligth of The Avro Canada CF-100 Canuck (affectionately known as the "Clunk"), Canadian jet interceptor/fighter.
1952 - 1st flight of The Yakovlev Yak-120 (later renamed Yak-25 - NATO designation Flashlight-A / Mandrake), Soviet swept wing, turbojet-powered interceptor aircraft and reconnaissance aircraft.
1954 - Carina Massone Negrone flies 2.987 km in 13h34m at an average speed of 299 km/h, beating 1936 record of General Andrews.
1954 - Swissair Convair CV-240 ditched in the English Channel off Folkestone, Kent having run out of fuel. Although all on board survived the ditching of the aircraft, three people drowned, as they could not swim and there were no lifejackets carried on board the aircraft.
1960 - Birth of Heike Walpot (Born Heike John), member of German Team at Olympic Games 1976 (swimming), Former astronaut and Airliner pilot.
1960 - Death of William Henry Hubbard, Canadian WWI flying ace
1962 - USAF superpressure unmanned research balloon lands near Iwo Jima, coming from Bermudas, covering 9,300 miles at a constant altitude of 68000ft after 19 days.
1962 - A formation of 4 Lockheed F-104F Starfighter, practicing for the type's introduction-into-service ceremony, crashed together after descending through a cloud bank. Three Germans and one USAF pilot were killed, and the four aircraft destroyed. This accident was explained as probable spatial disorientation of the lead pilot, and formation aerobatic teams were consequently banned by the Luftwaffe from that day on
1963 - Vostok 5 and Vostok 6 are back on earth
1965 - Death of Otto Fruhner, German WWI fighter ace, WWII Luftwaffe high ranking officer, one of the 1st aviators to parachute from a stricken aircraft.
1967 - Introduction of the PA-28-180R Cherokee Arrow, Four place, retractable landing gear landplane.
1970 - Soyuz 9, Soviet manned space flight, re-enters earth breaking the five-year-old space endurance record with their nearly 18-day flight
1995 - Death of Peter Wooldridge Townsend, RAF WWII flying ace and author also known for his ill-fated romance with Princess Margaret.
1999 - Launch of QuikSCAT (Quick Scatterometer), American Earth observation satellite carrying the SeaWinds scatterometer. Its primary mission is to measure the surface wind speed and direction over the ice-free global oceans.
2002 - Steve Fossett starts a fly around the world alone, nonstop, in a balloon. He launched the 10-story high balloon Spirit of Freedom from Northam, Western Australia,
2002 - STS-111, NASA space shuttle Endeavour mission to the International Space Station (ISS) is back on earth.
2006 - 1st flight of The Lockheed C-5M 'Super' Galaxy, Upgrade version of the Ameridan large military transport aircraft.
2010 - Air Service Berlin Douglas C-47 Skytrain 'Rosinenbomber' crashed shortly after take-off from Berlin Schönefeld Airport to a sightseeing flight over Berlin after the left engine failed. There were no fatalities, but seven out of the 28 passengers and crew were injured.
2010 - Aero Service CASA C-212 Aviocar crashed in the Republic of the Congo killing all 11 people on board, including Australian mining magnate Ken Talbot