Complex sentence: The square was the site of the execution of Conradin; it was also where Massaniello's revolt broke out and also the site of the executions after the royalist retaking of the kingdom after the fall of the Neapolitan Republic of 1799.
Split into simpler sentences: The square was the site of the execution of Conradin. It was also where Massaniello's revolt broke out and also the site of the executions after the royalist retaking of the kingdom after the fall of the Neapolitan Republic of 1799.