The book reflects upon the Russian Revolution of 1917 and the ensuing developments in Russia, the rest of the former Soviet Union, Central and Eastern Europe and elsewhere in the world. It discusses the impact of the legacies of the Russian Revolution on political systems, ideologies, economic and social structures and culture. The book answers some pertinent questions: To what extent are these legacies relevant today for the contextualization of memory politics, social institutions, and international relations? How does an analysis of 1917 and its legacies contribute to the comparative study of revolutions and social change?