1884 - Birth of Alessandro Marchettí, Italian engineer and airplane designer.
1887 - Birth of Silvio Pettirossi, Paraguayan airplane pilot and aviation pioneer.
1890 - Birth of Benno Fiala von Fernbrugg, Austro-Hungarian WWI fighter ace.
1890 - Birth of Frederick Frank Reilly Minchin, British WWI pilot, Airliner pilot and raid pilot.
1894 - Birth of Waldo Dean Waterman, American inventor and aviation pioneer which contributions to aviation were the 1st tailless monoplane (the precursor to the flying wing), the 1st aircraft with modern tricycle landing gear and the 1st successful low cost and simple to fly flying car.
1908 - Birth of Karl-Heinz Bringer, German rocket engineer
1911 - Edouard Nieuport set a world speed record of 133.13 km/h over a closed course of 10 km with his Nieuport II N
1912 - Birth of Gordon M. Gollob, WWII German fighter pilot and flying ace, 1st pilot in aviation history to claim 150 aerial victories.
1915 - Birth of Jackie Linwood "Jack" Ridley, aeronautical engineer, USAF test pilot and chief of the air force's Flight Test Engineering Laboratory. He helped develop and test many cold war era military aircraft but is best known for his work on the Bell X-1.
1916 - 1st flight of The Port Victoria P.V.2, British small single engined biplane floatplane fighter prototype.
1917 - Zeppelin LZ88 (L40) is damaged beyond repair in a failed landing in Nordholz.
1917 - Birth of Aurelio Lampredi, Italian automobile and aircraft engine designer.
1917 - Scottish WWI fighter ace William Charles Campbell scores 3 victories with his Nieuport Scout in a 1 hour mission, earning him the Military cross.
1921 - 1st flight of The Bleriot-SPAD S.46, French small biplane airliner developed from the S.33, which seated 4 passengers in an enclosed cabin while the pilot and occasionally a 5th passenger rode in an open cockpit.
1922 - A hybrid aircraft - part airplane (three fixed wings) and part helicopter (twin rotor blades) designed by American inventor Emile Berliner - makes a short vertical flight.
1923 - Birth of Ron Flockhart, Scottish racing driver and raid pilot.
1924 - 1st flight of the Blériot-SPAD S.51, French biplane fighter.
1929 - Evelyn "Bobbi" Trout flew a 90 horse power Golden Eagle Chief to an altitude of 15,200 feet breaking the light class aircraft altitude record.
1930 - Death of Elmer Ambrose Sperry, American inventor and entrepreneur, most famous as co-inventor, with Herman Anschütz-Kaempfe of the gyrocompass.
1931 - 1st flight of The Macchi-Castoldi M.C.72, Italian racing seaplane designed for the Schneider Trophy race.
1932 - The Lockheed Aircraft Corp. finally closes down eight months after the receivers were called in to its parent company, Detroit Aircraft Corp.
1933 - 1st flight of the Bernard H-52, French floatplane fighter, single engine, single-seat monoplane prototype.
1935 - 1st flight of The Tupolev ANT-37 (or DB-2), Soviet twin-engined long-range bomber.
1936 - Norwegian Air Lines Junkers Ju 52 crashed into the mountain Lihesten in Hyllestad, Norway killing all 7 on board. Pilots were unaware that they were flying a parallel to the planned course, 15 to 20 kilometers (9.3 to 12 mi) further east in cloudy weather.
1940 - Birth of Taylor Gun-Jin Wang, American scientist and 1st ethnic Chinese person to go into space.
1940 - 1st fligth of The Shavrov Sh-7, Soviet prototype civil transport amphibian flying-boat.
1941 - National Airport (today Ronald Reagan Washington National Airport) opens on land along the western shore of the Potomac River, 1st US federally owned airport.
1943 - Death of Yoshio Oki, Japanese Sino-japanese war and WWII fighter ace, killed in action over Russels Islands.
1943 - Death of Zenjiro Miyano, Japanese Sino-Japanese and WWII fighter ace, killed in his Zero while escorting 'Val' dive-Bombers over Lunga.
1944 - A total of 144 V1 flying bombs cross the English Channel, 21 are shot down by fighters or anti-aircraft fire and 73 reach the London area. During the next 10 days, an average of 100 V1 Flying Bombs fell on England every 24 hours.
1946 - 1st flight of The Lavochkin La-9 (NATO reporting name Fritz), early post-WWII Soviet fighter aircraft.
1951 - 1st flight of the Mikojan-Gurewitsch I-350, soviet Experimental jet fighter.
1952 - A Swedish PBY-5 Catalina searching a Douglas DC-3A-360 Skytrain shot down 3 days before by Soviet MIG-15 is also shot down.
1954 - 1st civil production Max Holste MH.1521 Broussard, French six-seat utility monoplane, is flown.
1954 - Birth of Jeffrey Shears "Bones" Ashby, engineer, former American naval aviator and astronaut.
1954 - 1st flight (official) of The American Lockheed XFV (sometimes referred to as the Salmon), American experimental tailsitter prototype aircraft built to demonstrate the operation of a vertical takeoff and landing fighter for protecting convoys.
1955 - 34 Argentine Naval Aviation and Air Force airplanes, consisting of 22 North American AT-6, 5 Beechcraft AT-11, 3 Consolidated PBY Catalina flying boats, and 4 Air Force Gloster Meteors, strafed and bombed Plaza de Mayo square in Buenos Aires at was to be the 1st step in an eventually aborted coup d'état.
1958 - Death of Harold Robert Buckley, American WWI flying ace and author.
1959 - A US Navy P4M-1Q Mercator is attacked by North Korean Air Force Mikoyan-Gurevich MiG-17s off the North Korean coast. The Mercator's crew returned the aircraft safely to Japan.
1961 - Launch of Discoverer 25, also known as Corona 9017, American optical reconnaissance satellite
1963 - Launch of Vostok 6 , 1st human spaceflight mission to carry a woman, cosmonaut Valentina Tereshkova, into space.
1966 - 1st flight of the Mikoyan-Gurevich MiG-21 PD, test bed for VTOL version.
1967 - Death of Pierre Marie Gabriel Vincent Ernest Leroy de Boiseaumarie, French WWI flying ace
1969 - Death of Maurice Brochet, French light aircraft designer.
1972 - 1st flight of The Hertfordshire Pedal Aeronauts (HPA) Toucan, British two-seat man-powered aircraft, 1st two-man man-powered aircraft to fly.
1977 - Death of Wernher Magnus Maximilian, Freiherr von Braun, German rocket scientist, aerospace engineer, space architect, and one of the leading figures in the development of rocket technology
1977 - Launch of GOES 2, known as GOES-B, American geostationary weather satellite.
1978 - Launch of GOES 3, known as GOES-C, American geostationary weather satellite.
1983 - Ariane 1 launches satellites Oscar 10 and ESCI (Eutelsat 1).
1984 - Frontier Airlines pilot Emily Warner and co-pilot Barbara Cook make history by directing the 1st all-female commercial airline crew, on a flight from Denver to Lexington, Kentucky.
1993 - Launch of Kosmos-2251, Russian Strela-2M communications satellite.
2000 - Soyuz TM-30, 1st privately funded manned space expedition, is back on earth.
2005 - Launch of Progress M-53, (Progress 18 or 18P), russian Spacecraft used to resupply the ISS.
2012 - Launch of Shenzhou 9, flight of China's Shenzhou program, 2nd spacecraft and 1st manned spacecraft to dock with the Tiangong 1 space station, with the 1st Chinese female astronaut: Liu Yang.
2012 - OTV2, Boeing X-37 (also known as the X-37 Orbital Test Vehicle), 2nd mission of the American reusable unmanned spacecraft to test new space technologies, landed autonomously at Vandenberg AFB.