Prior to 1974, Great Grimsby was a county borough, independent from any county council. Under the Local Government Act 1972 it became a non-metropolitan district, with Humberside County Council providing county-level services in the borough. The first election to the reconstituted borough council was held in 1973, initially operating as a shadow authority before coming into its revised powers on 1 April 1974. Political control of the council from 1973 until its abolition in 1996 was held by the following parties:[1]
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