1876 - The Southampton Tramways Company is formed1879 - Southampton Tramway Company commenced operations with horses1898 - Southampton Corporation purchased Tramways
1900 - Southampton Corporation Tramways electrified
1901 - Southampton Corporation Tramways commenced experimental operation with a Daimler Motorbus
1923 - Top Covered Bargate trams constructed.
- Introduction of one man operated buses as an experiment
1934 - Southampton Corporation purchased Floating Bridge Company
1935 - Southampton Tramways at full extent
1937 - The Southampton Corporation Act of 1937 gives the Corporation powers to abandon trams in favour of trolley buses, This option was never exercised
1945 - Introduction of dark red livery for buses. Standardisation of Guy Arab chassis with Park Royal bodywork for Southampton Corporation motorbus purchases
1948 - Preservation of Southampton Tram Number 45
1949 - Total abandonment of tramways in Southampton on 31st December
1952 - Guy Arab UF Standee chasis purchased by Southampton Corporation Transports
1954 - Last Guy Arab double deck purchased for Southampton Corporation Transports
1964 - Southampton Corporation Transport is renamed City of Southampton Transport Department
1967 - AEC Swift purchased, the first One Man Operated bus
1968 - Leyland Atlantean introduced with front entrance and rear engine
1976 - Solent Transport Trust formed. No. 255 - JOW 928 preserved
1977 - Opening of Itchen Bridge, closure of Floating Bridge
1981 - Last operation of rear platform bus for Southampton City Transport
1986 - Bus Deregulation Act
- Southampton City Transport becomes Southampton Citybus, a private entity owned by the City Council
1993 - Southampton Citybus is bought from the City Council by its employees and is known as
Southampton Citybus (1993) Co. Ltd
1997 - Southampton Citybus (1993) Co. Ltd purchased by First Group
1999 - First Southampton amalgamate into First Hampshire Ltd.
2000 - Present Day
2001 - Formation of the Southampton & District Transport Heritage Trust thereby incorporates and replaces Solent Transport Trust & 7164 Group
2005 - Leyland Atlanteans withdrawn after 37 years in service.
2010 - Portswood Depot closed
2012 - 1 - JOW 499E returns to the road after 20 years
2016 - 40th Anniversary of the start of the Solent Transport Trust and the 15th Anniversary of the establishment of the S&DTHT
The history of Southampton Corporation Transport can be found Here.