The Constitution of the German Reich (German: Die Verfassung des Deutschen Reiches), usually known as the Weimar Constitution (Weimarer Verfassung) was the constitution that governed the Weimar Republic (1919-1933). The constitution technically remained in effect during the Third Reich from 1933 to 1945.
The German state's official name was Deutsches Reich until the adoption of the 1949 constitution.