Original sentence: Historically part of Lancashire, Rochdale rose to prominence in the 19th century as a major centre of textile manufacture.Rochdale is a large town on the River Roch in Greater Manchester, England
Edited sentence: Rochdale is a large town on the River Roch in the historic County Palatine of Lancashire, England.Since the 1970s it has been administered as part of the Metropolitan and Ceremonial County of Greater Manchester, and gives its name to one of the constituent boroughs.The Lancashire town rose to prominence in the 19th century as a major centre of textile manufacture