EntityQ2098099· pop 13· linked from 34 articlesPlan R 4Sign in to saveWorld War II British plan for an invasion of the neutral state of Norway in April 1940ConnectionsWorld War IIConceptNorwegian CampaignEntitySwedish iron mining during World War IIEntityFranceCountryFinlandCountryNorwayCountryUnited KingdomCountrySwedenCountryDenmarkConceptUnited NationsEntityAdolf HitlerPersonBhutanCountryStockholmEntitySoviet UnionConceptironEntityCold WarEntityThe HolocaustConceptBaltic SeaEntityNazi GermanyConceptInternational Standard Book NumberEntityCategoriesCancelled military operations of World War IICancelled or proposed invasions of NorwayCancelled or proposed invasions of SwedenMilitary history of the United Kingdom during World War IIMilitary operations directly affecting Sweden during World War IINorway–United Kingdom relations