Plan R 4 was an unrealised British plan to invade Norway and Sweden in April 1940, during the Second World War. As a result of competing plans for Norway and Operation Weserübung, the German invasion of Norway the same month, it was not carried out as intended.
Plan R 4 was an unrealised British plan to invade Norway and Sweden in April 1940, during the Second World War. As a result of competing plans for Norway and Operation Weserübung, the German invasion of Norway the same month, it was not carried out as intended.
Source: Wikipedia "Plan R 4" · CC BY-SA 4.0
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