Teesside the four independent unitary authority boroughs of Hartlepool, Stockton, Middlesbrough and Redcar and Cleveland (a renamed Langbaurgh). At this time they were returned to the counties of North Yorkshire and County Durham for ceremonial purposes, with Stockton-on-Tees becoming the only district in England split between two ceremonial counties. In 1998 the neighbouring Borough of Darlington also became an independent unitary authority and this along with the four former Cleveland boroughs form the sub-region of the Tees Valley which is used for statistical purposes and governmental organisation. The name Tees Valley is increasingly promoted for economic and cultural connections, though Teesside,
Teesside University the College's prospectus were validated by the University of London. Disciplines included metallurgy, engineering and chemistry. Five rooms were also reserved for an art department, until cramped accommodation forced the School of Art to split from its parent site for the 1950s. The 1960s were years of sweeping change – as well as political sting – for the still comparatively fledgling College. By the end of the decade the first two "Teesside University" campaigns had begun: the first, from the early 1960s to 1966, and the second, from 1967 to 1972. Spates of enthusiasm were killed off on each occasion