Notes: The castle was built between 1279 and 1282 by order of Charles I of Anjou. It was called the "new" castle after extensive renovations commissioned by Alfonso of Aragon, following his victory over the French. The marble entrance arch of the castle is of interest: numerous artists participated in creating this celebratory declaration of the Aragonese victory. Within the castle are housed the Neapolitan Society of National History (founded in 1875), possessing roughly 170 thousand volumes, drawings, prints, and manuscripts; and also the Civic Museum, which houses a rich collection of art works originally in Neapolitan churches.