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
Law of Guernsey the sale and purchase of real estate in Guernsey were written in French until 1971. Alderney enjoys full autonomy in law (except in matters of foreign affairs and defence, as the other Channel Islands); however, in 1948 Alderney adopted a new constitution which created a fully elected government and changed the courts. Under the terms of an agreement (known as "the 1948 Agreement") entered into between the Government of Alderney and the Government of Guernsey, certain matters were delegated to Guernsey. These are known as "the transferred services" which include policing, customs and excise, airport operations, health, education and social