Original sentence: Cloud at an early morning hour of August 1, 1589, with a group of time travllers preparing to prevent the King's assasination as part of a complicated series of interventions in French history aimed at preventing the French Revolution and keeping France a monarchy into the 21st Century.The appearnace of Time Police agents foils the plot, and Henry III's assasination goes ahead - a protagonist remarking "A pity, but history should not be tampered with"
Edited sentence: Cloud at an early morning hour of August 1, 1589, with a group of time travelers preparing to prevent the King's assassination as part of a complicated series of interventions in French history aimed at preventing the French Revolution and keeping France a monarchy into the 21st Century.The appearance of Time Police agents foils the plot, and Henry III's assassination goes ahead - a protagonist remarking "A pity, but history should not be tampered with"