The German Revolution occurred in 1918-1919, marking the end of the German Empire and the transition to a democratic government. It began with widespread unrest and protests against the monarchy, fueled by the hardships of World War I. The revolution led to the abdication of Kaiser Wilhelm II and the establishment of the Weimar Republic. During the revolution, various political groups, including socialists and communists, vied for power. The revolution resulted in significant social and political changes, including the introduction of a new constitution and the expansion of civil rights. However, it also led to political instability and conflict in the years that followed.