Anniversaries in October
- 1 October
- 1860 – Victoria station opens as the terminus of the London, Brighton and South Coast Railway.
- 1868 – St Pancras station opens as the London terminus of the Midland Railway.
- 1868 – Metropolitan Railway extends from Paddington (Praed Street) to Gloucester Road.
- 1868 – London, Brighton and South Coast Railway opens line from Peckham Rye to Sutton via Streatham.
- 1868 – Tooting, Merton and Wimbledon Railway opens between Wimbledon and Streatham.
- 1873 – London and North Western Railway starts the first sleeper service from London to Glasgow.
- 1877 – Metropolitan Railway extends from Hammersmith to Richmond.
- 1884 – Metropolitan Railway and District Railway start services between St Mary's (Whitechapel Road) and New Cross and New Cross Gate over East London Railway.
- 1956 – A crash of an RAF Avro Vulcan attempting to land at Heathrow airport in poor weather kills 4.
- 1962 – British Rail goods services between Highgate and High Barnet stations end.
- 2 October
- 1874 – Liverpool Street station opens as the second London terminus of the Great Eastern Railway.
- 3 October
- 1964 – Northern line Highbury Branch closes between Drayton Park and Finsbury Park for conversion of tunnels for Victoria line use.
- 4 October
- 1793 – Birth of Charles Pearson, promoter of an underground railway for London.
- 1911 – First escalator opens at Earl's Court.
- 1975 – Northern line Highbury Branch closes between Old Street and Drayton Park for conversion to British Rail operation.
- 5 October
- 1964 – British Railways closes the Palace Gates Line to goods services.
- 1964 – British Railways closes the Harrow & Wealdstone to Belmont line.
- 1999 – Ladbroke Grove rail crash kills 31 when a train passes a signal at danger and collides head-on with another.
- 6 October
- 1827 – First Hammersmith Bridge over the River Thames opens.
- 1862 – London, Chatham and Dover Railway opens line between Elephant & Castle and Herne Hill.
- 1869 – Blackfriars Bridge over the River Thames opens.
- 1869 – Holborn Viaduct opens.
- 1884 – Metropolitan Railway and District Railway complete the Inner Circle by connecting Tower of London and Mansion House.
- 1884 – District Railway extends from Mark Lane to Whitechapel.
- 1957 – West London Air Terminal opens in a temporary building on Cromwell Road as a passenger check-in facility and coach station for British European Airways passengers flying from Heathrow Airport. Waterloo Air Terminal closes.
- 1960 – An out-of-service Northern line train runs into the end wall of the siding tunnel at Tooting Broadway injuring the driver.
- 7 October
- 1939 – Pullman carriages are discontinued on the Metropolitan line.
- 8 October
- 1940 – German bombs kills 9 at Charing Cross station and 1 at Embankment Underground station.
- 1952 – Harrow and Wealdstone rail crash kills 112 when three trains collide at Harrow & Wealdstone station.
- 9 October
- 1964 – District line services between Acton Town and Hounslow West end.
- 1975 – The IRA explodes a bomb outside Green Park station killing one.
- 10 October
- 1836 – London and Greenwich Railway extends from Spa Road, Bermondsey to a temporary terminus near London Bridge.
- 1971 – 'New' London Bridge re-opens in Lake Havasu City, Arizona.
- 2004 – Epping Ongar Railway starts operating as a preserved railway.
- 11 October
- 1984 – Wembley Central rail crash kills 3 when a passenger train passes a signal and collides with a freight train causing derailment.
- 12 October
- 1940 – A German bomb kills 7 at Trafalgar Square Underground station.
- 13 October
- 1940 – A German bomb kills 17 when it falls on Bounds Green station.
- 14 October
- 1844 – A large fire destroys carriage and engineer sheds and railway works adjacent to New Cross station.
- 1852 – King's Cross station opens as the London terminus of the Great Northern Railway.
- 1914 – The Royal Flying Corp starts to establish an aerodrome at Hounslow Heath.
- 1940 – A German bomb kills 66 when it ruptures a sewer and water main and floods the platform tunnels at Balham station.
- 1940 – A German bomb kills 5 at Camden Town station.
- 15 October
- There are no anniversaries today
- 16 October
- 1940 – A German bomb destroys the glass roof and the signal box of St Pancras station interfering with operations for several weeks.
- 1940 – A German bomb falls on the Circle line platforms at King's Cross St Pancras closing them until December.
- 17 October
- 1091 – A tornado destroys London Bridge and causes extensive damage across the City of London.
- 18 October
- 1942 – A crash near South Ruislip Underground station of an RAF bomber on final approach to RAF Northolt kills 15 on the plane and six people on the ground.
- 19 October
- 1940 – Metropolitan line services end between Latimer Road and Kensington (Addison Road).
- 20 October
- There are no anniversaries today
- 21 October
- 1896 – Death of James Henry Greathead, designer of the Greathead tunnelling shield.
- 1921 – London and North Western Railway War Memorial is unveiled outside Euston station.
- 2002 – Lots Road Power Station closes.
- 22 October
- 1933 – District line services end between South Harrow and Uxbridge.
- 23 October
- 1933 – Piccadilly line extends from South Harrow to Uxbridge.
- 24 October
- 1947 – South Croydon rail crash kills 32 when a signalling error causes two rush hour commuter trains to collide in fog.
- 25 October
- 1973 – Maplin Development Act receives Royal Assent authorising construction of London's third airport at Maplin Sands, Essex.
- 26 October
- 1912 – Woolwich foot tunnel opens under the River Thames.
- 27 October
- 1997 – Dredger MV Sand Kite runs into the Thames Barrier in thick fog and sinks on top of one of the open gates preventing it from closing.
- 28 October
- There are no anniversaries today
- 29 October
- 1986 – Official opening of the completed M25 motorway.
- 30 October
- 1956 – Official opening of the bus overhaul facility at Aldenham Works.
- 31 October
- 1950 – A crash of a British European Airways passenger plane landing in fog at Heathrow Airport kills 28.
