Flag of Guernsey cross by Pope Alexander II and flew it on his standard in the Battle of Hastings. Since 2000, a red ensign with the cross in the fly has been used as the government's civil ensign and as a blue ensign. Prior to 1985, Guernsey had no official unique flag and instead used the St George's Cross (the flag of England) as its flag when one was officially required. This came about after King Edward VIII granted consent for Guernsey to use the flag of England in 1936; during the German occupation of the Channel Islands, the residents were prevented from
History of Guernsey and Jersey were given certain privileges as the English crown needed the Islands to be loyal, not least of which was the Islands neutrality, allowing trade to be pursued with France and England, even when these were at war. The trade creating revenue from taxes to pay for the Island garrisons. During the English Civil War, Guernsey sided with the Parliamentarians, while Jersey remained Royalist. Guernsey's decision was mainly related to the higher proportion of Calvinists and other Reformed churches, as well as Charles I's refusal to take up the case of some Guernsey seamen who had been captured by