Sabena 1923 as the national carrier of Belgium. The airline was created by the Belgian government after its predecessor SNETA ("Syndicat national pour l'étude des transports aériens", National Syndicate for the Study of Aerial Transports) - formed in 1919 to pioneer commercial aviation in Belgium - ceased operations. Sabena operated its first commercial flight from Brussels to London (UK) on 1 July 1923, via Ostend. Services to Rotterdam (Netherlands) and Strasbourg (France) were launched on 1 April 1924. The Strasbourg service was extended to Basle (Switzerland) on 10 June 1924. Amsterdam (Netherlands) was added on 1 September 1924, and Hamburg (Germany)
Sabena Douglas DC-7C was introduced for long-haul routes but this plane would begin to be supplanted after only three years by the jet age. It remained in service on the transatlantic route until 1962. On 3 June 1954, a Soviet Air Force Mikoyan-Gurevich MiG-15 (NATO reporting name "Fagot") attacked a Sabena-operated Douglas DC-3 on a cargo flight from the United Kingdom to Yugoslavia, killing the radio operator and wounding both the captain and engineer. Co-pilot Douglas Wilson managed to land in Austria but the plane suffered significant damage. For the 1958 world exposition in Brussels, Sabena leased two Lockheed Super Constellations