Original: The Constitution of the German Reich, usually known as the Weimar Constitution (Weimarer Verfassung) was the constitution that governed the Weimar Republic (1919-1933).
Simplified: 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).