name of three different German Army Groups during World War II
via Wikipedia infobox
Army Group B (German: Heeresgruppe B) was the name of four distinct German army group commands that saw action during World War II.
The first Army Group B was created on 12 October 1939 (from the former Army Group North) and fought in the Battle of France on the northern flank. It was responsible for a part of the German invasion of Belgium and the majority of the German invasion of the Netherlands. In the later stage of that campaign ("Case Red"), it again advanced on the German right flank towards the Somme river, the city of Paris and the Franco-Spanish border. After 16 August 1940, it was deployed to East Prussia and to the General Government in German-occupied Poland. When Operation Barbarossa began on 22 June 1941, Army Group B was renamed on the same day to become "Army Group Center".
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