Otto, Prince of Bismarck, Count of Bismarck-Schönhausen, Duke of Lauenburg (; born Otto Eduard Leopold von Bismarck; 1 April 1815 – 30 July 1898) was a German statesman and diplomat who oversaw the unification of Germany and served as its first Chancellor from 1871 to 1890. Bismarck's Realpolitik and firm...