Atlantic Pockets
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World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, the Atlantic pockets were locations along the coasts of the
Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...
,
Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...
and
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
chosen as strongholds by the occupying German forces, to be defended as long as possible against land attack by the Allies. The locations are known in German as (lit. "Atlantic strongholds") but are known in English as "Atlantic pockets". Six of the Atlantic pockets were captured by the Allies between June and October 1944. Others were placed under siege. Three surrendered in April 1945, and the remainder in May 1945.


Designation as fortresses

On 19 January 1944
Adolf Hitler Adolf Hitler (20 April 1889 – 30 April 1945) was an Austrian-born German politician who was the dictator of Nazi Germany from 1933 until Death of Adolf Hitler, his suicide in 1945. Adolf Hitler's rise to power, He rose to power as the lea ...
declared eleven places along the
Atlantic Wall The Atlantic Wall () was an extensive system of coastal defence and fortification, coastal defences and fortifications built by Nazi Germany between 1942 and 1944 along the coast of continental Europe and Scandinavia as a defense (military), d ...
to be fortresses (''Festungen''), to be held until the last man or the last round, calling them (lit. "Atlantic strongholds"). The ports were: IJmuiden, the Hoek van Holland,
Dunkirk Dunkirk ( ; ; ; Picard language, Picard: ''Dunkèke''; ; or ) is a major port city in the Departments of France, department of Nord (French department), Nord in northern France. It lies from the Belgium, Belgian border. It has the third-larg ...
,
Boulogne-sur-Mer Boulogne-sur-Mer (; ; ; or ''Bononia''), often called just Boulogne (, ), is a coastal city in Hauts-de-France, Northern France. It is a Subprefectures in France, sub-prefecture of the Departments of France, department of Pas-de-Calais. Boul ...
,
Le Havre Le Havre is a major port city in the Seine-Maritime department in the Normandy (administrative region), Normandy region of northern France. It is situated on the right bank of the estuary of the Seine, river Seine on the English Channel, Channe ...
,
Cherbourg Cherbourg is a former Communes of France, commune and Subprefectures in France, subprefecture located at the northern end of the Cotentin peninsula in the northwestern French departments of France, department of Manche. It was merged into the com ...
,
Saint-Malo Saint-Malo (, , ; Gallo language, Gallo: ; ) is a historic French port in Ille-et-Vilaine, Brittany (administrative region), Brittany. The Fortification, walled city on the English Channel coast had a long history of piracy, earning much wealth ...
, Brest,
Lorient Lorient (; ) is a town (''Communes of France, commune'') and Port, seaport in the Morbihan Departments of France, department of Brittany (administrative region), Brittany in western France. History Prehistory and classical antiquity Beginn ...
,
Saint-Nazaire Saint-Nazaire (; ; ) is a Communes of France, commune in the Loire-Atlantique Departments of France, department in western France, in traditional Brittany. The town has a major harbour on the right bank of the Loire estuary, near the Atlantic Oc ...
and the Gironde estuary. In February and March 1944 three more coastal areas were declared to be fortresses: the
Channel Islands The Channel Islands are an archipelago in the English Channel, off the French coast of Normandy. They are divided into two Crown Dependencies: the Jersey, Bailiwick of Jersey, which is the largest of the islands; and the Bailiwick of Guernsey, ...
,
Calais Calais ( , , traditionally , ) is a French port city in the Pas-de-Calais department, of which it is a subprefecture. Calais is the largest city in Pas-de-Calais. The population of the city proper is 67,544; that of the urban area is 144,6 ...
and
La Rochelle La Rochelle (, , ; Poitevin-Saintongeais: ''La Rochéle'') is a city on the west coast of France and a seaport on the Bay of Biscay, a part of the Atlantic Ocean. It is the capital of the Charente-Maritime Departments of France, department. Wi ...
. Other fortresses were added after D-Day on 6 June 1944 in further directives of 17 August and 4 September.


Purpose

As well as concentrating men and matériel to control the surrounding area, the fortresses' purpose was to deny the use of port facilities to the Allies and to secure their continued use by German submarines in the
Battle of the Atlantic The Battle of the Atlantic, the longest continuous military campaign in World War II, ran from 1939 to the defeat of Nazi Germany in 1945, covering a major part of the naval history of World War II. At its core was the Allies of World War II, ...
. In addition, as long as they remained in German hands, they had propaganda value.


Fate of the pockets

In France, six pockets were captured by the Allies between the initial invasion of Normandy in June 1944 and October 1944, and others brought under siege. Three were liberated by French forces in April 1945, while the remainder surrendered after the capitulation of Germany in May 1945.


List of Atlantic pockets

The Atlantic pockets, with the date any Allied assault began and date the defenders surrendered, are shown below.


See also

* Liberation of France


Notes


References

* Rémy Desquesnes. ''Les poches de résistance allemandes sur le littoral français: août 1944 – mai 1945''. Rennes: Éd. Ouest-France, 2011. ; . * (fr) * * {{Liberation of France Encirclements in World War II Military installations of the Wehrmacht Western European Campaign (1944–1945)