1863 - 1st flight of the Aereon N°1, American dirigible airship.
1895 - Birth of Louis-Antoine Chartoire, French WWI flying ace
1899 - Birth of William Gordon Claxton, Canadian WWI flying ace.
1902 - Birth of Rear Admiral Clarence Wade McClusky, Jr., US Navy aviator during WWII. He is credited with playing a major part in the Battle of Midway
1907 - Birth of Frank Whittle, British Royal Air Force (RAF) engineer officer. He is credited with independently inventing the turbojet engine and is hailed by some as the father of jet propulsion.
1908 - 1st flight of the R.E.P. II (Robert-Esnault-Pelterie II), French experimental high wing monoplane.
1912 - 1st military aeroplane flight in Norway (an Etrich Taube) is made by Lt Hans Dons in a HNoMS Start.
1912 - Birth of Lambert Konschegg, Austrian WWII Bomber pilot, Airliner pilot, president of Austrian Airlines and of IATA.
1912 - Henry Harley "Hap" Arnold sets an altiture record of 6,540 feet (1,990 m)
1912 - Death of Philip Orin Parmelee, American early aviator credited with several early world aviation records and "firsts" in flight, Killed in a crash due to turbulences at an air show in Yakima, Washington.
1914 - Birth of Herbert Ihlefeld, German fighter ace of Spanish war and WWII.
1915 - Birth of Enzo Omiccioli, WWII italian pilot
1915 - 1st flight of The Airco DH.2, British single-seat biplane "pusher" aircraft which operated as a fighter during WWI, 2nd pusher design by Geoffrey de Havilland for Airco, based on his earlier DH.1 two-seater, 1st effectively armed British single-seat fighter.
1917 - 1st flight of The Austin-Ball A.F.B.1, WWI British fighter prototype built by car manufacturer Austin with input from Britain's leading fighter ace at the time, Albert Ball.
1918 - Death of Roderic Stanley "Bréguet" Dallas, Australian WWI fighter ace shot down in his S.E.5a by a Fokker Triplane. He never saw the message from headquarters that same day advising him of a promotion to Lieutenant Colonel and ordering him to cease flying.
1918 - Death of George Hubert Kemp, British WWI observer flying ace, killed in action by an Albatros scout.
1918 - 1st flight of the Breguet Bre 16 Bn2, French single engine bomber biplane issued from the Breguet XIV.
1918 - 2nd prototype Royal Aircraft Factory A.E.3 (Armed or Armoured Experimental), also known as the Farnborough Ram, British prototype armoured ground attack aircraft makes its 1st flight.
1918 - Death of William Jameson Cairnes, Irish WWI flying ace, killed in action in his S.E.5a.
1919 - A permanent flight of aircraft is stationed in San Diego to serve as a forest fire patrol. The machines are war-surplus Curtiss JN-4s.
1921 - 1st flight of the SPAD S-39, French twin seat biplane scout aircraft prototype.
1928 - Birth of Georgiy Timofeyevich Dobrovolsky , Soviet cosmonaut.
1930 - Death of Constant Emmanuel Plessis, French WWI flying ace, killed in the crash of his Caudron C 60.
1937 - 1st flight of the Arado Ar 196, german shipboard reconnaissance low-wing monoplane seaplane aircraft, standard aircraft of the Kriegsmarine (German Navy) throughout WWII.
1937 - Amelia Mary Earhart starts her world flight with the Lockheed Electra 10E from Miami.
1938 - 5 Italian bombers of the Aviazione Legionaria, bombed the city of Granollers, Spain, despite the fact that there were no military targets.
1939 - 1st flight of The Focke-Wulf Fw 190 Würger (Shrike), German single-seat, single engine fighter aircraft.
1940 - 1st flight of the Bloch MB.162 , French four-engine, long-range bomber prototype issued from the MB-160, used as a transport by the german forces after the french capitulation.
1941 - HMS Calcutta (D82) is sunk by German Junkers 88 bombers approximately 100 nautical miles (190 km) off Alexandria, Egypt.
1942 - Death of Gitaro Miyazaki, Japanese WWII flying ace, killed in his zero while escorting Betty Bombers over Port Moresby
1943 – British Overseas Airways Corporation Flight 777 Douglas DC-3-194 'Ibis' is shot down over the Bay of Biscay by German Junkers Ju 88s, killing actor Leslie Howard and leading to speculation the downing was an attempt to kill British Prime Minister Winston Churchill.
1944 - K-123 and K-130, K-class blimps of the United States Navy (USN) Airship Patrol Squadron 14 completed the 1st transatlantic crossing by non-rigid airships, flying from South Weymouth, MA to Port Lyautey (Kenitra), French Morocco.
1948 - British European Airways (BEA) establishes the first public airmail service in the United Kingdom using helicopters. They use Westland S51s between Peterborough in Cambridgeshire and various points in East Anglia.
1948 - 1st flight of The Cessna 170, American light, highwing, single-engined general aviation aircraft.
1950 - Birth of Gennadi Mikhailovich Manakov , Soviet cosmonaut.
1950 - British European Airways Corporation inaugurates an experimental passenger service with Westland Sikorsky S51 helicopters between Cardiff and Liverpool.
1950 - Frontier Airlines was formed from a merger of Arizona Airways, Challenger Airlines, and Monarch Airlines.
1951 - British European Airways' London to Birmingham helicopter service using Westland/Sikorsky S51s is officially opened and the British Overseas Airways Corporation (BOAC) reintroduces a New York to Bermuda service with Lockheed Constellations.
1956 - 1st flight of the Jurca MJ-2 'Tempête', French single-seat sport/ Aerobatic aircraft for homebuilding.
1956 - A Handley Page HP.80 Victor B.1, flown by test pilot Johnny Allam inadvertently exceeded the speed of sound after Allam let the nose drop slightly at a higher power setting. It was the largest aircraft to have broken the "sound barrier" at that time
1960 - Trans-Canada Air Lines begins transatlantic services, flying between Montreal and London
1961 - 1st flight of the Breguet Br 941, French 4-engine STOL transport aircraft, evolution of the Breguet 940 Integral prototype.
1961 - United Air Lines absorbs Capital Airlines to become the largest airline in the West, with a fleet of 267 aircrafts.
1964 - Kenyan Air Force is formed.
1964 - Jacqueline Cochran flew the 100-kilometer circular course at Edwards AFB. California, at 1,302 mph (2 097.27 km/h).
1970 - Launch of Soyuz 9 , Soviet manned space flight
1976 - Aeroflot Flight 418 Tupolev Tu-154A, struck a mountain 750 metres (2,460 ft) high at Bioko, Equatorial Guinea killing all 46 on board.
1976 - 1st flight of the Robin R-2160 'Acrobin', French two-seat training and general aviation aircraft.
1980 - The Dutch Fokker company changes its name to Fokker BV with the end of the merged activities of VFW-Fokker.
1981 - 1st flight of The Short 360 (also SD3-60), British twin turboprop commuter aircraft Developed from the Short 330.
1988 - Per Lindstrand establishes a new balloon altitude record, reaching an altitude of 19,810 metres (65,000 feet) over Texas. His balloon has a capacity of 17,000 cubic metres (6,000,000 cubic feet).
1989 - Death of Aurelio Lampredi, Italian automobile and aircraft engine designer.
1989 - Death of Robert Leslie Chidlaw-Roberts, British WWI flying ace
1990 - Launch of ROSAT, German Aerospace Center-led satellite X-ray telescope.
1992 - The Strategic Air Command (SAC), both a Major Command (MAJCOM) of the USAF and a "specified command" of the US Department of Defense is disestablished.
1995 - 1st flight of The Dassault Falcon 900EX, French-built corporate jet aircraft long range version of the original 900.
1998 - MetroJet operated by US Airways, begins operations.
1999 – American Airlines Flight 1420 McDonnell Douglas MD-82 slides and crashes while landing at Little Rock National Airport, killing 11 people on a flight from Dallas to Little Rock.
2003 - Death of Siegfried Freytag "The Malta Lion", WWII german fighter ace and member of the French Foreign Legion.
2005 - 1st flight of The Alenia Aermacchi M-311, Italian turbofan-powered military trainer aircraft, development of the Aermacchi S-211.
2009 – Air France Flight 447 Airbus A330-203 crashes into the Atlantic Ocean off the coast of Brazil on a flight from Rio de Janeiro to Paris. All 228 passengers and crew are killed.
2012 - Launch of Intelsat 19, geostationary communications satellite.
2012 - 1st flight of The Boeing Phantom Eye, American high altitude, long endurance (HALE) unmanned aerial vehicle hydrogen-powered spy plane.