1.
the legislative assembly of both the North German Confederation, from 1867 to 1871, and the German Empire, from 1871 to 1919
2.
the sovereign legislative assembly of the Weimar Republic, from 1919 to 1933
3.
the building in Berlin in which the Reichstag formerly met, destroyed by fire in 1933, and now rebuilt to house the parliament of the reunified German federal state