The International Scientific Conference “Understanding Socio-Historical Development and Modernity: A Methodology for Social Sciences” was held 28-29 June 2013 on the basis of the Sociological Institute of the Russian Academy of Sciences. It was dedicated to the Russian historian and social scientist, academician A. Lappo-Danilevsky (1863-1919). The event was organized by the sector of the history of Russian Sociology. The conference was attended by 49 people, among them participants from Mexico, Spain, India, the Philippines, and Belarus.