NOTES: The cathedral which is on the site of the city's Almohad Mosque was constructed in 1402-1506. In 1511 the dome collapsed and was repaired, but collapsed again in 1888 following an earthquake. The tomb of carved alabaster dates from 1458, by the sculptor Lorenzo Mercadente de Bretana.
SOURCE: Sir Banister Flight Fletcher (revised by R. A. Cordingly). A History of architecture on the comparative method, 17th ed. (London: Athlone Press, 1961), p.296 NOTES: San Constanza was erected in 330 AD by the emperor Constantine as a mausoleum to his daughter Constantia. It was converted into a church in 1256. The tomb of Galla Placida, Ravenna dates from 420 AD and the tomb of Theodoric, Ravenna, dates from 530 AD.