Isles of Scilly Isles of Scilly The Isles of Scilly (; or "") is an archipelago off the southwestern tip of Cornwall. One of the islands, St Agnes, is the most southerly point in both England and the United Kingdom, being over further south than the most southerly point of the British mainland at Lizard Point. The population of all the islands at the 2011 census was 2,203. Scilly forms part of the ceremonial county of Cornwall, and some services are combined with those of Cornwall. However, since 1890, the islands have had a separate local authority. Since the passing of the Isles
Duke of Cornwall Anglo-Saxon settlement of Britain, Cornwall formed part of the separate Kingdom of Dumnonia, which included Devon, although there is evidence that it may have had its own rulers at times. The southwest of Britain was gradually incorporated into the emerging Kingdom of England, and after the Norman Conquest in 1066 the new rulers of England appointed their own men as Earl of Cornwall, the first of whom was in fact a Breton of 'Cornwall' in Brittany. Edward, the Black Prince, the eldest son of Edward III, was made the first Duke of Cornwall in 1337, after Edward III had lost