XXI Army Corps | |
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XXI. Armeekorps | |
Active | 1940–1941 |
Country | ![]() |
Branch | ![]() |
Size | Corps |
Engagements | Operation Weserübung |
Commanders | |
Notable commanders | Nikolaus von Falkenhorst |
The XXI Army Corps, also at times designated Group Falkenhorst[1] and Group XXI[2], was a corps of the German Heer during World War II. It was first deployed on 10 August 1939 in Wehrkreis I in East Prussia. It participated in Operation Weserübung in early 1940. Later that year, it became Armeegruppe XXI ('Army Group 21'). In 1941, the XXI Army Corps was restructured to an army-level unit, Armee Norwegen. In 1943, another corps-level unit carrying the ordinal number 21 was created, the XXI Mountain Corps.[2]