- 28 June
- 1857 – Lewisham rail crash kills 11 when a train runs into the rear of another near Lewisham station.
- 1903 – District Railway extends from Park Royal & Twyford Abbey to South Harrow.
- 2008 – Transport for London buys Tramtrack Croydon Limited PFI operator of Tramlink network.
- 2012 – Emirates Air Line cable car begins operating over the River Thames between Greenwich Peninsula and Royal Docks.