When and where was the weimar republic declared?

Weimar Republic (German: Weimarer Republik [ˈvaɪmaʁɐ ʁepuˈbliːk] ( listen)) is an unofficial designation for the German state between 1919 and 1933. The name derives from the city of Weimar, where its constitutional assembly first took place. The official name of the state was the German Reich (Deutsches Reich), continuing the name from the pre-1918 German Empire. en.wikipedia.org/wiki/Weimar_Republic