The lecture, a public meditation of sorts, will explore the dilemmas of »multicultural dialogue« from the vantage point of cosmpolitanism vs. nationalism. Drawing on the conceptual distinction between »at home« and »abroad« that began to dominate the public discourse in the nascent European nation-states of 19th century, the lecture will illuminate three main stages in the development of collective identifications: the cosmopolitanism of the belle epoque (at home and abroad), the nationalism od post-W