- 5 April
- 1952 – The last tram runs through Kingsway tramway subway.
- 1964 – Full-scale trials of automatic train operation begin between Woodford and Hainault on the Central line.
- 1968 – RAF pilot Alan Pollock flies a Hawker Hunter jet below the upper span of Tower Bridge as part of a protest that the 50th anniversary of the founding of the RAF was not celebrated.
- 1994 – London Underground operation of the Waterloo & City line begins.