What kingdom, led by Otto von Bismarck, united Germany under its leadership?
Otto von Bismarck Otto von Bismarck Otto Eduard Leopold, Prince of Bismarck and Duke of Lauenburg (; Born Otto Eduard Leopold von Bismarck-Schönhausen; 1 April 1815 – 30 July 1898), known as Otto von Bismarck (), was a conservative Prussian statesman who dominated German and European affairs from the 1860s until 1890 and was the first Chancellor of the German Empire between 1871 and 1890. In 1862, King Wilhelm I appointed Bismarck as Minister President of Prussia, a position he would hold until 1890, with the exception of a short break in 1873. He provoked three short, decisive wars against Denmark, Austria, and
Otto Christian Archibald von Bismarck Otto Christian Archibald von Bismarck Otto Christian Archibald, Prince von Bismarck (25 September 1897 in Schönhausen, Brandenburg – 24 December 1975) was a German politician and diplomat, and the Prince of Bismarck from 1904 to his death. He was the eldest of the three sons of Herbert von Bismarck, as well as the grandson of the German chancellor Otto von Bismarck and elder brother of Gottfried Graf von Bismarck-Schönhausen. A lawyer, he became the owner of the family estate in Schönhausen and joined the diplomatic service in 1927, serving in Stockholm (1927–28), London (1928–37), with the Foreign Ministry in Berlin