Bailiwick of Guernsey history of the Bailiwick of Guernsey goes back to 933, when the islands came under the control of William Longsword, having been annexed from the Duchy of Brittany by the Duchy of Normandy. The island of Guernsey and the other Channel Islands formed part of the lands of William the Conqueror. In 1204 France conquered mainland Normandy – but not the offshore islands of the bailiwick. The islands represent the last remnants of the medieval Duchy of Normandy. Initially there was one governor, or co-governors working together, of the islands making up the Channel Islands. The title "Governor" has changed
External relations of Guernsey more integrated relationship with the Commonwealth of Nations, including more direct representation and enhanced participation in Commonwealth organisations and meetings, including Commonwealth Heads of Government Meetings, however with no right to vote in the Ministerial or Heads of Government meetings. Both Alderney and Guernsey are members of the Commonwealth Parliamentary Association. The Bailiwick of Guernsey which includes Alderney, Sark, Herm and the other smaller islands is a member of the Commonwealth Games Federation and has attended every games event since the inauguration in 1970. In 2011 Guernsey, which had previously been unrated, was awarded a AAA credit rating by Standard