Mulberry harbour Mulberry harbour Mulberry harbours were temporary portable harbours developed by the United Kingdom during the Second World War to facilitate the rapid offloading of cargo onto beaches during the Allied invasion of Normandy in June 1944. After the Allies successfully held beachheads following D-Day, two prefabricated harbours were taken in sections across the English Channel from Britain with the invading army and assembled off Omaha Beach (Mulberry "A") and Gold Beach (Mulberry "B"). The Mulberry harbours were to be used until the Allies could capture a French port; initially thought to be around three months. However although Antwerp in Belgium
Scuttling of the French fleet at Toulon the French fleet would be largely disarmed and confined to its harbours, under French control. The Allies were concerned that the fleet, which included some of the most advanced warships of the time, might fall into enemy hands and so the British attacked the French Fleet at Mers-el-Kebir on 3 July 1940 and at the Battle of Dakar on 23 September 1940. On 8 November 1942 the Allies invaded French North Africa (Operation Torch). It may be that General Dwight Eisenhower, with the support of President of the United States Franklin D. Roosevelt and British Prime Minister Winston Churchill, made