Wilhelm I of Germany was born on March 22, 1797, and became the first Emperor of Germany in 1871. He was a key figure in the unification of Germany, which was achieved through a series of wars and diplomatic efforts led by Otto von Bismarck, his Chancellor. Wilhelm I was known for his strong support of the military and his conservative policies. His reign lasted until his death on March 9, 1888. Wilhelm I played a significant role in establishing the German Empire, which brought together various German states under a single national government. His leadership helped shape modern Germany during a time of rapid industrialization and growth.