Yorkshire, former county, N England. From 1889 to 1974 it formed three counties, the East Riding, North Riding, and West Riding of Yorkshire. In 1974, Yorkshire was divided into the nonmetropolitan counties of Humberside, Cleveland, North Yorkshire, and partially into the metropolitan county of West Yorkshire. All but North Yorkshire have since been dissolved as units of local elected government, but the the East Riding of Yorkshire was reestablished as a unitary authority in 1996.
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