Christos Aliprantis is Associate Professor of Social Sciences at the American College of Thessaloniki. He studied history in Athens, Vienna, and Budapest, and obtained his PhD in modern European history from the University of Cambridge. He has worked and taught at the European University Institute, Ludwig Maximilian University of Munich, and Ruhr University in Bochum. His research interests and publications deal with policing, state formation, migration, and nationalism in Central, East-Central, and Southeastern Europe in the 19th and 20th centuries. Anna Ross is Senior Lecturer at the University of Sheffield and co-editor of German History. Her first book, Beyond the Barricades: Government and State-Building in Post-Revolutionary Prussia, 1848-1858, was published by Oxford University Press in 2019. She has published on a range of topics related to the 1848 revolutions, state-building, empire, and internationalisation. Anna is PI on the AHRC-funded project Imperial Afterlives (2022-5), which examines the end of Europe’s land empires and the creation of international zones after the First World War.