BAL246820 William I, King of Prussia (1830-1916) in the \'Allgemeine Moden-Zeitung\', Leipzig, 1872 (engraving) by German School, (19th century); Private Collection; (add.info.: William I,also known as Wilhelm I (22 March 1797 ??9 March 1888), of the House of Hohenzollern was the King of Prussia (2 January 1861 ??9 March 1888) and the first German Emperor (18 January 1871 ??9 March 1888). Under the leadership of William and his Minister President Otto von Bismarck, Prussia achieved the unification of Germany and the establishment of the German Empire.); German, out of copyright.