Complex sentence: Created in 1974 by the Local Government Act 1972, metropolitan boroughs are defined in English law as metropolitan districts, however all of them have been granted or regranted royal charters to give them borough status (as well as some with city status).
Split into simpler sentences: Created in 1974 by the Local Government Act 1972, metropolitan boroughs are defined in English law as metropolitan districts. However all of them have been granted or regranted royal charters to give them borough status (as well as some with city status).