Complex sentence: The Londonderry Borough Police was the police force in the city of Londonderry, County Londonderry, Ireland from 1848 to 1870, nicknamed the Horney Dicks after the bones used in their helmets.
Split into simpler sentences: The Londonderry Borough Police was the police force in the city of Londonderry, County Londonderry, Ireland between 1848 to 1870. The force were nicknamed the Horney Dicks after the bones used in their helmets.