Wilhelm I is proclaimed the first German Emperor on January 18, 1871 in the Hall of Mirrors at the Palace of Versailles following the German victory in the Franco-Prussian War, as the French army surrendered in Sedan. and the unification of German states into the German Empire takes place.
The selection of Versailles and particularly the Hall of Mirrors, where Louis XIV once held court, was a deliberate symbolic act to humiliate France and assert German dominance.