This collection includes materials reflecting the continuity and development of the experience of the Great October Revolution by modern revolutionary movements of developed capitalist and developing countries. Opening a new era of world history, the Great October Socialist Revolution marked a qualitative change in the development of global political and social relations of mankind. For the first time, the working class under the leadership of its vanguard - the Communist Party proved that it is able, together with the Allies, to snatch power from the hands of capital, to go forward to build a socialist society.