an Entity references as follows:
The unification of Germany (German: Deutsche Einigung, pronounced [ˈdɔʏtʃə ˈʔaɪnɪɡʊŋ]) into the German Empire, a Prussian-dominated nation state with federal features, officially occurred on January 18, 1871, at the Palace of Versailles in France. Princes of most of the German-speaking states gathered there to proclaim King Wilhelm I of Prussia as German Emperor during the Franco-Prussian War.