11 November – At the end of the First World War, the RAF was the largest air force in the world with 27,333 officers, 263,837 other ranks, 22,647 aircraft, 103 airships, 133 front-line squadrons, 15 flights and 270 aerodromes overseas, 55 front-line squadrons, 75 training squadrons/depots, 401 aerodromes at home and 25,000 WRAF members.
July – the R34 airship becomes the first aircraft to make an east to west transatlantic flight
22 February – Allied Air Forces launch Operation Clarion, a concerted effort to destroy German transportation within 24 hours.
1945–1990: The Cold War years
28 June 1948 to 30 September 1949 – The RAF conducts Operation Plainfare, the British contribution to the Berlin Airlift.
June – The RAF conducts Operation Firedog against Malayan terrorists during the Malayan Emergency. Two Spitfires of No. 60 Squadron fly the first offensive mission on 6 July, destroying an enemy base at Perak. Involvement continues until 1960.