The Summer Seminar on Nationalism, Religion and Violence (June 18-29, 2018) organized by the Charles University in Prague and Aristotle University of Thessaloniki, supported by the CEFRES-French Research Center in Humanities and Social Sciences, School of Slavonic and East European Studies (UCL), University of Birmingham, Humboldt University of Berlin, the Institute for the Study of Strategic Regions and with kind support of the Department of Adult Education and Personnel Management of the Charles University has successfully completed its sixth year with a special focus on the topics of ethnic and religious diversity, migration, and transformation. A key goal of the Summer Seminar is to contribute in a substantial way to the study of violence and to catalyze the growth of the study of violence as a field.