 In 1381, Queen Joanna I of Naples was also imprisoned there for a time after forced to surrender to her enemy Charles of Durazzo, the future Charles III of Naples, before her assassination.The current appearance dates from the Aragonese domination (15th century).It was struck by French and Spanish artillery during the Italian Wars; in the Neapolitan Republic of 1799 its guns were used by rebels to deter the philo-Bourbon population of the city.