Kammala jumla mai zuwa: Tattaunawar budewa kan wani balaguron Allied zuwa arewacin Scandinavia, kuma ba tare da yardar kasashen Scandinavia masu tsaka tsaki ba, da Altmark Incident a ranar 16 ga Fabrairu, sun firgita "Kriegsmarine" da Jamus ta hanyar barazanar samar da karafa da kuma bayar da hujjoji masu karfi ga Jamus don tabbatar da gabar tekun Norway. Sunan da ake kira Operation "Weserübung",
Harin Jamus na Denmark da Norway ya fara ne a ranar 9 ga Afrilu. Daga ranar 14, sojojin Allied sun sauka a Norway, amma a ƙarshen watan, sassan kudancin Norway sun kasance a hannun Jamus. Yaƙe-yaƙe ya ci gaba a arewa har sai Allies sun kwashe a farkon watan Yuni don mayar da martani ga mamayewar Jamus na Faransa; sojojin Norway a cikin ƙasar Norway sun ajiye makaman su a tsakar dare a ranar 9 ga Yuni.