Prince (Fürst) of (all) Hohenzollern. French opposition to the candidacy of Carol's elder brother Prince Leopold for the throne of Spain triggered the Franco-Prussian War (1870–1871), which led to the founding of the German Empire in January 1871. Territories, titles and styles Southern Germany Jurisdiction The head of the Swabian branch of Hohenzollern-Sigmaringen ruled over the following territories: county of Hohenzollern (1061) burgraviate of Nuremberg (1192) county of Veringen (1535) lordship of Haigerloch (1634) lordship of Wehrstein (1634) county of Bergh (1781) From 1061 until 1806 five of these fiefs (not including Nuremberg) constituted an immediate territory of the Holy Roman Empire under the counts of Zollern, vassals of the Holy Roman Emperor. From 1806 until 1813 the Hohenzollern lands were a realm of the Confederation of the Rhine, a short-lived state set up by Napoleon I Bonaparte. From 1815 until 1849 the principality was a sovereign country and a member of the German Confederation. In 1849 it lost its independence, and was incorporated into the Kingdom of Prussia as the Province of Hohenzollern. The German Confederation was succeeded in 1866 by the North German Confederation, which itself was succeeded by the German Empire in 1871. In 1918, the kingdom of Prussia became the Free State of Prussia, and the German Empire was replaced by the Weimar Republic. In 1933 the republic was replaced by the Third Reich. After the defeat of the Nazis the province of Hohenzollern was merged with other territories into the state of Württemberg-Hohenzollern. This state was part of the Allied Occupation Zones in Germany until 1952. In that year, the state of Württemberg-Hohenzollern was merged into Baden-Württemberg, a state of the Federal Republic of Germany. Karl Friedrich, Prince of Hohenzollern is the head of the princely Swabian line. Titles The head of the House of Hohenzollern-Sigmaringen is the historical heir to the titles of: Prince (Fürst) of Hohenzollern Burgrave (Burggraf) of Nuremberg Imperial Count (Reichsgraf) of Hohenzollern Count (Graf) of Sigmaringen Count (Graf) of Veringen Count (Graf) of Bergh Lord (Herr) of Haigerloch Lord (Herr) of Wehrstein Styles The historical titulature of rulers of the House of Hohenzollern was, in the German original: Seine Durchlaucht (S.D.) [name] von Gottes Gnaden, Fürst von Hohenzollern, Burggraf von Nürnberg, Graf zu Sigmaringen, Veringen und Berg, Herr zu Haigerloch und Wehrstein The English translation is: His Serene Highness (HSH) [name] by the Grace of God, Prince of Hohenzollern, Burgrave