- 10 May
- 1812 – Birth of William Henry Barlow, railway engineer.
- 1847 – London, Brighton and South Coast Railway opens line from West Croydon to Epsom Town.
- 1886 – The London, Chatham and Dover Railway opens Blackfriars station.
- 1915 – Baker Street and Waterloo Railway extends from Queen's Park to Willesden Junction.
- 1927 – The body of Minnie Alice Bonati is discovered in five parts in a trunk at the cloakroom of Charing Cross station.
- 1984 – Gatwick Express services start operating between Victoria station and Gatwick Airport station.
- 2000 – Croydon Tramlink opens its first route between New Addington and Croydon.