. "1918-11-08Z"^^ . . "Duchy of Brunswick"@en . . "1815Z"^^ . "Herzogtum Braunschweig"@en . . . "1918Z"^^ . "The Duchy of Brunswick (German: Herzogtum Braunschweig) was a historical state in Germany. Its capital was the city of Brunswick (Braunschweig).It was established as the successor state of the Principality of Brunswick-Wolfenb\u00FCttel by the Congress of Vienna in 1815. In the course of the 19th-century history of Germany, the duchy was part of the German Confederation, the North German Confederation and from 1871 the German Empire."@en . "Brunswick"@en . . .