Introduction Otto Von Bismarck(1815.1-1898)became 19th-century Europe’s greatest statesman(alongside Napoleon)through the sheer force of his personality,assisted by his outstanding intelligence,gargantuan capacity for work and his quasi-symbiotic relationship with King William I of Prussia.His diplomacy of Realpolitik and powerful rule gained him the nickname the"Iron chancellor".In the 19th century,Bismarck was appointed prime minister of Prussia and led the victory of war through reunification of Germany.He used balance-of-power diplomacy to keep Europe peaceful in the 1870s and 1880s.