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
States of Guernsey States of Guernsey The States of Guernsey () is the parliament of the British Crown dependency of Guernsey. Some laws and ordinances approved by the States of Guernsey also apply to Alderney and Sark (the other component parts of the Bailiwick of Guernsey) as "Bailiwick-wide legislation" with the consent of the governments of those islands. All enactments of the States of Guernsey apply to Herm as well as Guernsey, since Herm is wholly owned by the States of Guernsey. When constituted as a legislature, it is officially called the "States of Deliberation". When constituted as an electoral college, it is