Complex sentence: Between 1889 to 1974 Unsworth lay within the administrative county of Lancashire, though with the passage of the Local Government Act 1972, it became part of the Metropolitan Borough of Bury, of Greater Manchester.
Split into simpler sentences: Between 1889 to 1974, Unsworth lay within the administrative county of Lancashire. With the passage of the Local Government Act 1972, it became part of the Metropolitan Borough of Bury, in Greater Manchester.