In the thirteenth century, the French pirate Eustace the Monk, having served King John, used Sark as a base of operations.
During the Middle Ages, the island was populated by monastic communities.
British Commandos raided the island several times, Operation Basalt during the night of 3–4 October 1942, captured a prisoner and Hardtack 7, was a failed British landing in December 1943.
Sark was finally liberated on , a full day after Guernsey.
kingdoms until 933, when it became part of the Duchy of Normandy.