Anniversaries in June
- 1 June
- 1864 – London, Chatham and Dover Railway extends from Elephant & Castle to Blackfriars Bridge.
- 1877 – District Railway extends from Hammersmith to Ravenscourt Park where it connects to the London and South Western Railway and extends to Richmond.
- 1910 – District Railway starts an excursion service over the London, Tilbury and Southend Railway from Barking to Southend.
- 1910 – Metropolitan Railway begins operating Pullman carriages on selected trains between Baker Street and Amersham, Aylesbury, Chesham or Verney Junction.
- 1916 – Passenger services through the Snow Hill tunnel end.
- 1919 – The Royal Air Force turns over Hounslow Heath Aerodrome to civilian use.
- 1964 – British Rail goods services between Finsbury Park and Edgware stations end.
- 2016 – Tramlink routes appear on the standard Tube Map for the first time.
- 2 June
- 1902 – District Railway extends from Whitechapel to Bromley-by-Bow and connects to the London, Tilbury and Southend Railway.
- 1902 – District Railway extends over the London, Tilbury and Southend Railway to Upminster.
- 2002 – First articulated buses operate in London.
- 3 June
- 1889 – District Railway extends over London and South Western Railway from Putney Bridge to Wimbledon.
- 1900 – City and South London Railway extends from Stockwell to Clapham Common.
- 1903 – Great Western Railway opens first section of New North main line and the Greenford branch line from Old Oak Common to West Ealing via Greenford.
- 4 June
- 1816 – First Vauxhall Bridge over the River Thames opens.
- 1838 – Great Western Railway opens from its London terminus at Paddington station to Taplow.
- 1901 – South Eastern and Chatham Railway extends Chipstead Valley Railway from Tadworth to Tattenham Corner.
- 5 June
- 1839 – London and Croydon Railway opens line from Southwark to West Croydon.
- 6 June
- 1921 – Current Southwark Bridge over the River Thames opens.
- 7 June
- There are no anniversaries today
- 8 June
- 1902 – Underground Electric Railways Company of London takes over the Metropolitan District Electric Traction Company, owner of the District Railway.
- 9 June
- 1883 – Death of Lewis Cubitt architect of Bricklayers Arms and King's Cross stations.
- 1978 – Airlink, a helicopter shuttle service between Heathrow and Gatwick Airports, begins operations.
- 2006 – East London line closes between Whitechapel and Shoreditch.
- 10 June
- 2000 – Millennium Bridge over the River Thames opens.
- 11 June
- 1887 – Second Hammersmith Bridge over the River Thames opens.
- 1972 – Eltham Well Hall rail crash kills 6 when a train derails when taking a curve too fast due to driver error through intoxication.
- 12 June
- 1908 – Rotherhithe Tunnel opens under the River Thames between Limehouse and Rotherhithe.
- 2005 – Heathrow Connect services begin between Paddington and Heathrow Central stations.
- 13 June
- 1864 – Metropolitan Railway extends from Paddington (Bishops Road) to Hammersmith.
- 1905 – District Railway extends from Acton Town to South Acton.
- 14 June
- 2014 – New Terminal 2 opens at Heathrow Airport.
- 15 June
- 1906 – Baker Street and Waterloo Railway extends from Marylebone to Edgware Road.
- 16 June
- There are no anniversaries today
- 17 June
- 1871 – Brill Tramway extends to Wood Siding.
- 18 June
- 1817 – Original Waterloo Bridge over the River Thames opens.
- 1972 – A crash of a BEA passenger plane at Staines due to pilot error kills 118.
- 19 June
- There are no anniversaries today
- 20 June
- 1839 – Eastern Counties Railway opens between a temporary terminus at Devonshire Street and Romford.
- 21 June
- 1898 – A wave from the launch of HMS Albion at Leamouth collapses a stand occupied by spectators, leading to the drowning of 34 people.
- 22 June
- 1907 – Charing Cross, Euston and Hampstead Railway opens between Charing Cross and Golders Green and Archway.
- 1922 – Great Eastern Railway War Memorial unveiled at Liverpool Street station.
- 23 June
- 1903 – District Railway extends from Ealing Common to Park Royal & Twyford Abbey.
- 1998 – Heathrow Express services begin between Paddington and Heathrow Central and Heathrow Terminal 5 stations.
- 24 June
- There are no anniversaries today
- 25 June
- 1837 – Birth of Charles Yerkes, chairman of the Underground Electric Railways Company of London.
- 26 June
- 1968 – Neasden Power Station closes.
- 27 June
- There are no anniversaries today
- 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.
- 29 June
- 1984 – London Transport Executive is replaced by London Regional Transport.
- 2015 – Terminal 1 closes at Heathrow Airport.
- 30 June
- 1879 – Metropolitan Railway extends from Swiss Cottage to Finchley Road.
- 1894 – Tower Bridge over the River Thames opens.
- 1947 – Central line extends from North Acton to Greenford.
- 2003 – Oyster card tickets are launched to the general public.
