Answer
1871 marked the unification of Germany, a significant milestone in European history. After centuries of division into independent states, Otto von Bismarck, the Prussian chancellor, orchestrated a series of diplomatic and military maneuvers to consolidate these states under Prussian leadership. The Franco-Prussian War of 1870-71 culminated in the defeat of France and the establishment of the German Empire, with Wilhelm I of Prussia as its first emperor.