Who was the German Emperor (Kaiser) during World War I?
Answer
Wilhelm II
Answer
Wilhelm II
Wilhelm II was the German Emperor, or Kaiser, during World War I. He ruled the German Empire from 1888 until his abdication in November 1918, making him Germany’s head of state throughout the conflict.
Wilhelm belonged to the Hohenzollern dynasty and became emperor after the short reign of his father, Frederick III. His grandfather, Wilhelm I, had been the first German Emperor after the unification of Germany in 1871. Otto von Bismarck, another option in the quiz, was a powerful chancellor, not the Kaiser.
Wilhelm II had authority over Germany’s armed forces and supported the country’s status as a major military and industrial power. His foreign policy, naval expansion, and close relationship with military leaders contributed to the tense rivalries that shaped pre-war Europe. However, Germany’s decision-making during the crisis of July 1914 involved ministers, generals, and diplomatic officials as well as the emperor.
Germany’s defeat and the German Revolution ended Wilhelm’s reign. He abdicated and went into exile in the Netherlands, where he lived until his death in 1941. Wilhelm I and Wilhelm II are especially easy to confuse because both held the imperial title, but only Wilhelm II was Kaiser during World War I.
Source: Wikipedia · fact-checked Aug. 2026