In March 2021, Assistant Professor Valentina Carraro took part in an expert roundtable providing recommendations to the United Nations Secretary-General on turning into action the goals of the Declaration on the Commemoration of the Seventy-Fifth Anniversary of the United Nations (UN75 Declaration).

The Astronomy & Society group of Leiden Observatory takes a new turn in science: they have decided to share their rejected research proposals with the scientific community. ‘We put a lot of effort into them, and now hopefully others can benefit from our work. Maybe it even results in new collaborations,’…

There are many tributaries to Rosalin Kuiper’s story and they all lead to the sea. The 28-year-old sailor was one of the five-person Team Malizia in the world’s most prestigious sailing competition: the Ocean Race.

It is with great sadness that we announce the passing of our colleague, mentor, and friend prof. David Fontijn this Monday, May 1st, 2023. As he shared with us in October 2022, his health had been deteriorating the last couple of years. While his mind was still sharp as ever, his body struggled to keep…

After two years, it was great to be back in Brussels again. Many thanks to all alumni and students who were present during the academic discussion on the values and the future of the EU, followed by networking drinks.

Kai Hebel explains how the 1975 Helsinki Accords shaped European diplomacy and why their spirit remains urgently relevant in an era of renewed geopolitical in the Guardian.

Study information

This collection, edited by Sophie Vériter, Monica Kaminska, Dennis Broeders and Joachim Koops, includes six papers exploring and investigating European responses to COVID-related disinformation, specifically the responses of France, Sweden, Germany, the United Kingdom, Serbia, and Hungary.

On Wednesday 6 September 2017 the Interest Group on Migration and Refugee Law of the European Society of International Law (ESIL/SEDI) hosted a workshop in Naples, Italy, in cooperation with the ILS 2.0 Project.

The Berkeley Center on Comparative Equality & Anti-Discrimination Law organises an annual conference on various topics of equality and discrimination law. The 12th such conference took place from 2 to 4 July 2025 at the Faculty of Law of the Slovenian capital Ljubljana

This week, Bart Custers, Professor of Law & Data Science and Head of eLaw – Center for Law and Digital Technologies, has been named Mr. of the Week by the Dutch legal magazine Mr. The occasion for this is the 40th anniversary of eLaw that will be celebrated this week.

According to Afshin Ellian, Professor of Jurisprudence, the new Iran starts with a referendum. In WNL’s ‘Goedemorgen Nederland’ programme, he says: ‘You’ll need to build a wall around Iran's constitutional future.’

Debate

In her dissertation, political scientist Alessia Aspide explores how public attitudes toward fiscal policy are formed. Her key finding: fiscal preferences are not shaped in a vacuum, but are deeply embedded in institutional, political, and societal contexts.

To what extent are, can, and should, human trafficking and human smuggling be(ing) seen as interlinked phenomena? What are the consequences of seeing the phenomena as either distinct or interlinked for the way in which migrants crossing intra-Schengen borders are treated.

From 2 to 5 September 2015, Leiden served as the stage for one of the world’s largest linguistics conferences: the Societas Linguistica Europaea (SLE) 2015 Annual Meeting. Marianne Mithun, a professor at University of California, Santa Barbara and outgoing president of the SLE, is not surprised that…

Salvador Santino Regilme, Jr. Associate Professor of International Relations and Program Chair of MA in International Relations, has been honored with the Cecil B. Currey Book Award for 2023. The accolade, presented by the Association for Global South Studies (AGSS), recognizes Regilme’s exceptional…

Prof. Ton Liefaard and dr. Stephanie Rap (together with Apollonia Bolscher LL.M.) are involved in developing a training Toolkit and Manual for the project Improving Juvenile Justice Systems in Europe: Training for Professionals (JUST/2013/FRC/AG).

In the last five years the Dutch children’s ombudsman has developed into a full-fledged supervisory body monitoring compliance with children’s rights in the Netherlands. A fuller engagement with its statutory tasks, greater involvement of children and strengthening the autonomous position of the children’s…

The recent reciprocal expulsions of ambassadors between Spain and Nicaragua are not merely political gestures but legally structured acts grounded in the framework of the Vienna Convention on Diplomatic Relations (1961) (VCDR). The episode illustrates how the persona non grata mechanism - a classical…

To what extent did the Netherlands grow rich from the Transatlantic slave trade? In his dissertation 'Walcherse Ketens', Gerhard de Kok looks at Vlissingen and Middelburg, the most important slave trade cities in the Netherlands during the second half of the 18th century. It turns out that, although…

BA 3 student Dasha Derzhavets is one of the first students to be back in the lab at the Faculty of Archaeology. She is conducting experiments in the ceramic and experimental lab for her thesis. ‘It is different in the labs, a lot quieter, I can better concentrate on my work however.’

Vier leden van het Grotius Centre, Larissa van den Herik, Carsten Stahn, Anna Marhold en emeritus hoogleraar Nico Schrijver, stellen in verschillende media dat de recente aanval op Iran in strijd is met internationaal recht.

Atrocities have been the order of the day in Syria since war broke out in 2011, but the perpetrators are rarely tried. According to PhD candidate Elizabeth Van Schaack, the international community could bring justice in Syria, but only if there is political will. PhD defence on 29 April 2020.

If we want to solve global problems, we need to know about both the theory and the practice. How does the international community make decisions about military intervention, for instance? Why is it such a complex process? Professor Herman Schaper has represented the Netherlands at the United Nations…

In 2024, many of our students and staff won great prizes and secured important research grants.

Interdependence, cooperation and strategic autonomy: A (legal) view from the EU

eLaw – Center for Law and Digital Technologies has officially launched its participation in AI:Liner, a Horizon Europe project that will transform how Europe manages its aging sewer infrastructure through artificial intelligence and digital innovation.

If Europeans eat less meat and dairy, this will have major consequences for farmers. New research shows that many barns and machines could lose their value. With the right policies, these losses can be limited. This is shown by research from Leiden, Oxford and Vienna.

In the 18th century, the French colonial empire teemed with protectionist laws. Nevertheless, businessmen from the Republic played an important role in the French economy, and thus in the colonial system. PhD student Tessa de Boer explored how this came about.

Recently, Hans-Martien ten Napel was in the news on the above subject several times.

Social, Economic and Organisational Psychology focuses on the application of scientific psychological knowledge of social processes within and between groups of people and individuals, in organisations, but also during economic and consumer decisions.

A Humanities degree gives you a solid start on the job market, as shown by the employment survey among alumni who graduated from 2020 through 2024.

Whilst 2020 has been an unusual and taxing year for colleagues at the Institute of Security and Global Affairs (ISGA), the Institute nevertheless can look back on an impressive range of successful grant applications during the previous year. This impressive result was achieved on top of excellent results…

Former leader of the Canadian opposition, world-renowned scholar and current President of Central European University (in Budapest) Prof. dr. Michael Ignatieff visited LUC The Hague on Thursday, November 25th. He was touring the Netherlands to promote his new book The Ordinary Virtues: Moral Order in…

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Study information, On Campus Experience

In 2022, many of our staff and students won fantastic prizes and were awarded important research grants.

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

In the group presentation in the CSM-elective ‘governance of crime and social disorder’ of teacher Elke Devroe students battled again for the winning lot, namely this blog published in the Leiden university Website.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

The Netherlands generally performs above average in the protection of personal data, according to research carried out at Leiden University. Germany is the leading country, while countries such as Italy and Romania are lagging behind.

Second-year MIRD students showcase their thesis research on global issues during the 2025 Thesis Symposium, bridging theory and diplomatic practice.

Nominated as best Master thesis by the Faculty of Governance and Global Affairs (FGGA), Robin Neumann has received the second prize in the Leiden University best thesis competition.

The First Americans exhibition in the National Museum of Ethnology showcases the resilience and creativity of native Americans. Striking artworks, fashion and prints show that the past is never far away. Artist Jacob Meders was inspired by 16th-century prints from the Leiden University Library. The…