Marina Cattaruzza is Professor of Modern and Contemporary History at the University of Bern. Her recent publications include L'Italia e il confine orientale [Italy and its Eastern Border] (3rd ed, 2011); Sozialisten an der Adria - Plurinationale Arbeiterbewegung in der Habsburger Monarchie [Socialists on the Adriatic - Multinational labor movement in the Habsburg Monarchy] (2011). Stefan Dyroff has been Lecturer and Research Rellow at the Department of Contemporary History at the University of Bern since 2006. His current research project, "International politics between diplomacy and a semi-official gray area. The importance of state and social actors for the supervision of minority protection by the League of Nations," is funded by the Swiss Research Council. Dieter Langewiesche was Professor of Modern History at the University of Hamburg from 1978 to 1985 and of medieval and modern history at the University of Tubingen from 1985 to 2008. He has been awarded the Gottfried Wilhelm Leibniz Prize by the German Research Foundation. He is member of the Heidelberg Academy of Sciences and Humanities and the German National Academy of Sciences Leopoldina. His recent publications include Reich, Nation, Foderation. Deutschland und Europa [Empire, Nation, Federation - Germany and Europe] (2008); Zeitwende. Geschichtsdenken heute [Times of Transition. How do we think history today?] (2009).