The collection is based on articles, reports and discussions that are devoted to theoretical problems of historical science, closely related to modernity. Among them are articles and discussions on the issues of social revolution and the genesis of the world revolutionary process. The group of materials considers the methodological and historiographic aspects of the history of social movements and social thought. Some of the articles stand at the intersection of history and philosophy. The authors pay special attention to the development of the Leninist inheritance. In general, the collection gives a well-known idea of ​ ​ the state of the art and new directions in the development of the Marxist-Leninist methodology of history.