- 1975 DAAD Research Scholar, Institute for European History, Mainz
- 1980 DAAD Research Scholar, Free University of Berlin
- 1980 Visiting Associate Professor of European History, Columbia University, New York City, USA
- 1981 Visiting Lecturer in History, Umeå University, Sweden
- 1981 Research Fellow, Alexander von Humboldt Foundation, Free University of Berlin
- (renewed 1985, 1989)
- 1986 Visiting Fellow, Humanities Research Centre, Australian National University, Canberra
- 1987 British Council Visiting Fellow, Karl-Marx-University, Leipzig
- 1993 DAAD Senior Research Scholar, University of Karlsruhe
- 2006 Golo Mann Distinguished Visiting Professor, Claremont-McKenna College, California
- 2006-8 Visiting Professor of History, Gresham College, London
- 2007 Visiting Distinguished Miegunyah Research Fellow, University of Melbourne Victoria.
- 2018 Douglas Southall Freeman Professor of History, University of Richmond, Virginia
- 2018-23 Distinguished Fellow of the Munk School of Global Affairs, University of Toronto
- 2018-24 Visiting Professor of History, Birkbeck, University of London