European integration is under pressure. At the same time, the notion of a European administrative space is being explicitly voiced. But does a shared idea of the public servant exist in Europe?

In view of its aim to aim to promote and strengthen teaching and research in European Studies, the Jean Monnet chair ‘Europe and the World' organises a series of seminars. Several interesting speakers will present their research, and both students and staff members will have ample opportunities to engage…

The Institute of Private Law at Leiden University kindly invites you to an online book launch of the book Legal Pluralism in European Contract Law. The author will introduce the theme and summarise the main conclusions of the book, followed by comments from two panelists. Afterwards, there will be a…

On 21 April 2016, Leiden University College The Hague, in collaboration with The Hague Institute for Global Justice and the T.M.C. Asser Institute, hosted a book launch and panel discussion for Dr. Joris Larik’s new monograph “Foreign Policy Objectives in European Constitutional Law”, which has recently…

Brexit has been a kind of shock therapy for the EU and has eventually led to more appreciation for European cooperation. That is what Professor Luuk van Middelaar claimed on 30 November at the conference ‘Brexit and the future of the European Union’ which marked the 60th anniversary of the Europa Institute…

Klimaatverandering, geopolitieke spanningen en botsende belangen in het Arctisch gebied dwingen tot hernieuwde aandacht voor handhaving en rechtvaardigheid. Hilde Woker, gespecialiseerd in het recht van de zee, spreekt in een uitzending van Kennismakers Radio Sleutelstad over dit actuele onderwerp

How should European financial law best integrate considering the interaction of the relevant legal systems?

The Team International Relations and European Studies addresses the interconnections and interdependence of contemporary global political, economic, security and culture from a multidisciplinary perspective rooted in the humanities. More specifically it is concerned with the study of international relations…

Nikki Ikani, Assistant Professor Intelligence and Security at the Institute of Security and Global Affairs (ISGA), has recently published her latest monograph 'Crisis and change in European Union foreign policy' with Manchester University Press.

Madeleine O. Hosli, Professor of International Relations, wrote this book in which she analyses the complex relations between the European Union (EU) as a regional organization and the United Nations (UN) as an international, global governance institution.

Sofia Ranchordas (1985) has been appointed Chair European and Comparative Public Law and Rosalind Franklin Fellow at the University of Groningen. She will start this position on October 1st.

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

The presence and participation of interest groups in policymaking processes has become a crucial component of Western democracies. These groups link society and policymakers and influence public policy choices. Their function however, is often taken for granted and not very well researched. Adrià Albareda…

The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…

A look into the political history of collecting and the collections of Andean mummies in Western European museums from 1830-1930 through archaeology and paleoimaging.

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

Research on this theme concerns Europe’s position in global markets, its response to the emergence of new international trade and financial actors that challenge institutions where Europe has long had considerable influence.

How can groundbreaking research help Europe tackle the huge challenges it faces? At the launch of the Leiden Europe Hub, academics and policymakers discussed this in the heart of European democracy: the European Parliament.

Archaeologist Quentin Bourgeois received an NWO Vidi grant to investigate the emergence of a pan-European culture in the third millennium BC. ‘We see ideas being shared across the entire continent in pre-literate societies. And not only that, for a thousand years, the same cultural ideas persist.’

On 20 June 2025, Melanie Fink presented her research on ‘Robo Swarms and Polygraphs: The Future of European Border Management and its Human Costs’ at the Research Workshop on ‘Migration law at the intersection of international, EU and domestic law: institutional structures and the protection of human…

How can we understand the implementation of EU policy and what challenges are involved?

World history, connectivity and material culture, edited by Martin Pitts and Miguel John Versluys. From Cambridge University Press.

Was the progressive colonial civil servant the precursor of the postcolonial development-aid worker?

The multiple connections between emblematics and Natural History in the broader perspective of their underlying artistic, literary, political and religious ideologies.

The Centre for the History of European Integration (CHEI) is an initiative that brings together scholars working on European integration, broadly conceived, from a historical perspective.

On 9 February students of the Master in European Law visited the new headquarters of Eurojust, one of the EU’s agencies for judicial cooperation in criminal matters based in The Hague.

What political factors affect the speed or duration of EU legislative decision-making?

Until recently, the role of external information processing in intelligence has rarely been investigated quantitatively or experimentally. A group of researchers from Erasmus University Rotterdam, Leiden University, GGZ Rivierduinen, and University of Edinburgh measured in a new way how and when people…

Set up in 1991, this unique project aims to identify and describe the common lexical heritage of the most important Indo-European languages and language branches. The project has thus far resulted in twelve volumes published as The Leiden Indo-European Etymological Dictionary Series (Brill, Leiden).

International Relations and European Politics is one of the three organisational clusters of the Institute of Political Science.

The new project INFLANET will train young scientists in Europe to become experts in inflammation research. Professor Annemarie Meijer from the Institute of Biology Leiden coordinates the training.

EUROTYPES is a research project developed by political scientist Adina Akbik, for which she recently received a European Research Council Starting Grant. Her aim is to examine the impact of cultural stereotypes in European multi-level policy enforcement. One of EUROTYPES' innovations lies in its focus.…

On 18 June 2019, Peter Kempees defended his thesis 'Hard power and the European Convention on Human Rights'. The doctoral research was supervised by Prof. R.A. Lawson and Prof. H. Duffy.

On Wednesday 19 and Thursday 20 April 2023, the Foundation Bob Wessels Insolvency Law Collection (BWILC) organised its fifth PhD Workshop on European and International Insolvency Law.

Our research deals with the deep history of Europe and Eurasia, from the inception of farming up until the beginning of the Roman Period. This was a period in which key developments took place that had a profound impact on European landscapes and society until the present day. Our research and teaching…

Does a shared idea of the ‘public servant’ exist in Europe? Sager, Overeem, and others explore.

Leiden’s Institute for History has an exceptionally strong expertise in premodern European history in its global context, with specialists whose interests cover virtually the whole continent. We have a strong track record in leading larger research teams and work together with colleagues across Europe…

On 10 July 2020, the final of the European Law Moot Court Competition took place online before an impressive line-up of academics and practitioners of EU law.

The project Advancing The European Multilingual Experience (AThEME) studied multilingualism in Europe by incorporating and combining linguistic, cognitive and sociological perspectives.

This paper develops a novel theoretical framework for the conduct of postmortems after major foreign policy surprises for the European Union and its member states.

This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.