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  1. 1921 in aviation. Aviation portal. This is a list of aviation -related events from 1921: Events. Mexicana de Aviación begins service. The Imperial Japanese Navy acquires its first rigid and semi-rigid airships. [1] The Italian General Giulio Douhet publishes his highly influential book Command of the Air.

  2. Aviation portal. This is a list of aviation -related events from 1920: Events. Juan de la Cierva y Cordoniu invents the autogyro. His first autogyro, the Cierva C.1, fails to become airborne, but is the first aircraft to demonstrate the principle of autorotation as it taxis on the ground.

  3. La historia de la aviación se remonta al día en el que el ser humano prehistórico se paró a observar el vuelo de las aves y de otros animales voladores. El deseo de volar está presente en la humanidad desde hace siglos, y a lo largo de la historia del ser humano hay constancia de intentos de volar que han acabado mal.

  4. January 16 – Royal Air Force Major A. S. C. MacLaren and Captain Robert Halley arrive in Delhi, completing the first England-to-India flight. Their aircraft is a Handley Page V/1500. January 19 – Jules Védrines claims a FF25,000 prize by landing an aircraft – a Caudron G-3 – on the roof of a department store in Paris.

  5. June 21 — First flight of the Bristol Ten-Seater. July 1921. July — Douglas Aircraft Company founded. July 16 — First flight of the Avro 552. August 1921. August 11 — Schneider Trophy race flown at Venice, Italy. In an all-Italian field, Giovanni De Briganti won the race in a Macchi M-7. Speed 189.7 km/h (117.9 mph).

  6. 1921 in aviation list of aviation-related events in 1921. Upload media Wikipedia. Instance of: events in a specific year or time period; Facet of: aeronautics;