Grenadier Kaserne, Stuttgart-Zuffenhausen (Source: Rainer Fiechtner) The German Reichsadler (German heraldic emblem that, in the Third Reich era, included the Nazi Party swastika inside the wreath that is being grasped by the eagle). Similar decorations adorned many German and Nazi Party buildings during the 1930s and early 1940s. The Nazi swastika was removed from all of them by the Americans and other Allies at the beginning of the Occupation in 1945.