Abstract: The research issue is the historical past of the ethnic group as the most important component of social consciousness, which determines the social life practices and serves as the basis for the solidarity in society and the ground for its purposeful development. A wide range of concepts concerning the attitude to the historical past as one of the most important components of collective goal setting, in particular, theories of mentality, interpretation of texts and conflict of interpretations, historical hermeneutics, and conceptual models of history are investigated. It has been proved that the concepts of the single picture of ethnological history disappear under the influence of the multicultural characteristics, when the exclusive right of historical evaluation and interpretation is lost, and the changing set of situationally significant fragments becomes a priority. It is revealed that in the conditions of pluralism of thoughts and ideas caused by the emergence of non-state social actors, enhanced migration flows, increased communication opportunities of the society and internationalization of higher education, the appeal of social actors to their historical past in order to support their social and cultural borders and to forecast new social projects is complicated. A number of objective and subjective factors of disorganization of national history memory are stated in the research