On January 18, 1871 Germany was unified with Wilhelm I as its first kaiser & this man as its chancellor
[DOC] [TLE] Unification of Germany - Wikipedia [PAR] The unification of Germany into a politically and administratively integrated nation 
state officially occurred on 18 January 1871 in the Hall of Mirrors at the Palace... [DOC] [TLE] Wilhelm I of Germany - Wikipedia [PAR] William I, or in German Wilhelm I of the House of Hohenzollern was the King of 
Prussia (2 January 1861  9 March 1888) and the first German Emperor (1 
January 1871  9 March 1888) ... Chancellor, Otto von Bismarck .... During their 
time at Koblenz, William and his wife entertained liberal scholars like the 
historian... [DOC] [TLE] Otto von Bismarck - Wikipedia [PAR] Otto Eduard Leopold, Prince of Bismarck, Duke of Lauenburg (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.