Group identity Collective memory 21 Social aspects 15 Memory 12 History 11 Civilization 5 Influence 4 Identity (Psychology) 3 Social conditions 3 Borderlands 2 Boundaries 2 Civilization, Ancient 2 Cultural pluralism 2 Ethnic relations 2 Festivals 2 Historiography 2 History and criticism 2 In literature 2 Interpersonal communication 2 Minorities 2 National characteristics, European 2 Nationalism and collective memory 2 Political culture 2 Politics and culture 2 Race relations 2 Rites and ceremonies 2 Social life and customs 2 Social movements 2 Written communication 2 Anniversaries, etc 1