Wilhelm II was the last German Emperor and King of Prussia, ruling from 1888 to 1918. He was known for his aggressive foreign policies and his role in the events leading up to World War I. Wilhelm II's reign was marked by a significant expansion of the German navy and a desire to assert Germany's power on the world stage. His leadership and policies contributed to the tensions and rivalries that ultimately led to the outbreak of World War I. After Germany's defeat in the war, Wilhelm II was forced to abdicate and went into exile in the Netherlands, where he lived until his death in 1941.