Artful Mathematics: The Heritage of M. C. Escher

SLIPPRS-NL aims to align research integrity in Dutch Social and Behavioural Sciences with FAIR and open science principles. Through policy analysis, community engagement, and a national survey, the project maps RDM challenges, fosters knowledge exchange, and provides input for updating national research…

In an essay published in three prominent European newspapers, Professor Luuk van Middelaar takes a close look at Europe’s role in the Russian invasion of Ukraine. ‘Europe shows plenty of political energy, but what is still lacking is strategic cool-headedness, in facing a nuclear power.’

Deadline approaching: Applications are still open for the Summer School ‘The European Union, the United Nations and Global Governance’ (16 - 20 June 2025) for Master-level and PhD students. Application deadline: 15 May 2025.

Moritz Jesse, Associate Professor of European Law at the Europa Institute, presented at the annual conference of the Global Legal Network, which took place in November in Tallin (Estonia).

On 27 February 2018, Christa Tobler attended a hearing on the subject of Brexit and dispute settlement at the invitation of the House of Lords, EU Committee, Subcommittee Justice.

Melanie joined the Committee in October 2020 and as of 2021 will also form part of its Rule of Law Project, chairing the project’s sub-group on EU Agencies.

Een medewerker van Frontoffice Studentenzaken legt uit waar je vooral rekening mee moet houden als je je wilt aanmelden bij de Universiteit Leiden.

Konstantinos Zoumpoulakis, Research Assistant at the Institute of Criminal Law & Criminology, has written a report on this conference

What happens if a Member State decides to withdraw from the European Union? The “Brexit Charts” aim to provide information on the withdrawal procedure under Art. 50 TEU, on the legal consequences of leaving the EU and on the future relationship of the withdrawing state with the European Union.

The focus of the research at the Department of Civil Law is the coherency of private law in national, European and global perspective.

The structure of the programme European and International Human Rights Law is listed on this page. Read more about the programme outline, courses & teaching staff

As one of the most influential ideas in modern European history, democracy has fundamentally reshaped not only the landscape of governance, but also social and political thought throughout the world.

On Tuesday 23 May 2017, Jasmina Mackic will defend her doctoral thesis ‘Proving discriminatory violence at the European Court of Human Rights’. The defence will start at 15.00 hrs, at the Academy Building of Leiden University, Rapenburg 73. The supervisor of the research is Vice Dean and Professor of…

On 2 and 3 September 2016, the International Conference on ASEAN Development (ICAD) 2016 took place in Leiden. The conference aimed to draw comparative lessons from the EU for the development of the ASEAN Economic Community, which was launched in 2015.

On 12 September 2018 Rijpma, Associate Professor of European Law at the Europa Institute, spoke at the Netherlands Institute in St. Petersburg in the framework of the Dutch Wednesday lecture series.

After two years of COVID-19 induced hiatus, the European Union Studies track of MA International Relations organized another successful study trip to Brussels. Over the course of three days the students had a chance to learn more about the EU institutions, meet lobbyists and interest group representatives…

Lecture, European Union Seminar

The dramatic geopolitical changes of the last few years and other crises have led the EU to reconsider the function and role of its internal market. Increased focus is now placed on ensuring the future competitiveness, economic security and resilience of Europe.

On 21 May 2025, the chief negotiators of Switzerland and the EU Brevier initialled a package of agreements intended to strengthen their legal ties that have developed since the 1950s

On 26 June 2025, Melanie Fink delivered a presentation titled 'Good Administration in the Age of AI: Explanation Rights and Human Oversight under EU Law' at the European Ombudsman.

Project leader Esther Kentin has published an article on the European chemical regulation REACH and the restriction of microplastics in a physics journal.

On Thursday 29 February, the European Data Protection Supervisor, Wojciech Wiewiórowski, visited the eLaw Center for Law and Digital Technologies at Leiden Law School to give a lecture entitled 'Fundamental rights and/or market surveillance: The current and future role of Data Protection Authorities…

EU Member States are struggling with rising numbers of migrants and asylum seekers. At the recent EU summit, agreements were reached on better controls at the external borders of the European Union and more consultation with countries where migrants come from.

New website on interdisciplinary, international research on migration and border control.

Where does Europe begin and end? How have the European Union and its precursors decided which countries are eligible to join the community and which are not? Few issues are more hotly debated, more important for the course of European integration, or more consequential for individuals in and around…

Citizens, journalists and scholars notice that foreign policy in, and of, the European Union, is ‘de-Europeanising’. Political scientist Daniel Thomas (Leiden University) offers a theoretical exploration of the likely implications. He expects that it will become more difficult for the EU to achieve…

This dissertation investigates the impressive prehistoric cultivated landscape of the eastern part of West Frisia.

On 13 February, Professor Matthias Haentjens spoke at the conference “Proportionality in European Banking Regulation” at the Bank of Greece. This conference was organized by the Greek central bank, in cooperation with the University of Piraeus and the European Banking Institute (EBI).

Mariana de Campos Françoso and Amy Strecker published a new article in the International Journal of Cultural Property last week entitled 'Caribbean Collections in European Museums and the Question of Returns'.

On Tuesday 11 February, the European Data Protection Supervisor, Mr. Wojciech Wiewiórowski, visited eLaw, - center for Law and Digital Technologies at Leiden Law School to give a lecture on facial recognition systems and data protection in Europe.

De discussie over de sluiting van illegale schietbanen van Defensie, als gevolg van de stikstofwetgeving is ingewikkeld en omvat diverse juridische aspecten. Armin Cuyvers, hoogleraar Europeesrecht, bespreekt de zaak in BNR-Nieuwsradio.

On 7 November 2024, an ESIL Joint Colloquium, organised by the European Society of International Law (ESIL) Interest Group ‘The EU as a Global Actor’ (IG EUGLOBAL), in partnership with the Interest Group on Migration and Refugee Law (IG MigRefLaw), took place on the topic ‘The EU as an (Imperfect) Global…

On Wednesday 5 June, Kalin Anev Janse, Secretary-General and Management Board Member of the European Stability Mechanism (ESM), was invited to give a lecture on 'Bridging decision-making: a new direction for Europe? Prioritising financial stability: the European Stability Mechanism and the Banking U…

Film and Photographic Studies master’s students Vanessa and Deirdre created a film programme about the Jewish artist Charlotte Salomon for the Jewish Cultural Quarter. Due to the pandemic, they could no longer hold a physical screening and they decided to move their project online.

The Department of Historical Studies at Central European University (Vienna, Austria) is pleased to announce its call for applications for the 2025/2026 academic year. The deadline is February 1, 2025.

This is a book about the rich archaeological record of the Dutch municipality of Oss, written for its inhabitants and other interested members of the general public.

Alumnus Ben Smulders has worked for the European Commission for the past 33 years. ‘The discipline and depth that I experienced during my student days has helped me through various stages of my professional career.’

The Foundation for Austrian Studies and the Institute for History are very glad to announce that Monika Baár has been appointed as the holder of the Special Chair for Central European Studies.

On 15 January 2019, the external relations committee of the Swiss National Council (lower chamber of the Federal Parliament) held a public hearing on the subject of the draft text for an agreement between Switzerland the European Union with new institutional rules for a number of Swiss-EU market acces…

There is a growing conflict between the US and the EU about the investigation by the Commission under the EU State aid rules into so called

Economies worldwide are increasingly interconnected; trade in raw materials and semi-finished products is increasing. Many products we use in the Netherlands originate abroad, and many products we make in the Netherlands are destined for other countries. Almost all countries around us participate in…

Reputation literature has provided crucial insights about the evolution of the US regulatory state. Daniel Carpenter’s influential account painstakingly demonstrates the relevance of reputation to bureaucratic ‘power’ and to early institutional state-building in the US context. We argue that adopting…