Complex sentence: Henry Fielding established the Bow Street Runners in 1749; between 1754 and 1780, Sir John Fielding reorganised Bow Street like a police station, with a team of efficient, paid constables.
Split into simpler sentences: Henry Fielding established the Bow Street Runners in 1749. Between 1754 and 1780, Sir John Fielding reorganised Bow Street like a police station, with a team of efficient, paid constables.