battery on the western side of the fort at the waterline. It was named after the Chevalier Francesco de Guiral, its commander during the Great Siege. The battery was altered in the 17th and 18th centuries, again by the British. Most of the present configuration of the fort dates back to reconstruction in the 1690s. Among the features added by Grunenbergh were four batteries facing the entrance to the Grand Harbour. No. 1, No. 2 and No. 4 Batteries were heavily altered by the British, while No. 3 Battery retains more of its original features. Gallery Other buildings and art Treasures of the Knights References External links National Inventory of the Cultural Property of the Maltese Islands Video showing the development of Fort St. Angelo from a medieval castle to a gunpowder fortress Video showing a 3D model of Fort St. Angelo Saint Angelo Saint Angelo Saint Angelo World War II sites in Malta Buildings and structures in Birgu Buildings and structures of the Sovereign Military Order of Malta Limestone buildings in Malta Defunct prisons in Malta Castles in Malta Military installations closed in 1979 National Inventory of the Cultural Property of the Maltese Islands 16th-century fortifications 17th-century fortifications Sites managed by Heritage Malta