In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

The book 'The United Nations Convention on the Rights of the Child' is the result of the international academic conference – ’25 Years CRC’ – which was held in November 2014 in Leiden on the occasion of the 25th birthday of the UN Convention on the Rights of the Child.

The United Nations celebrates its 75th anniversary this year. With the corona crisis and rising nationalism, there’s not much cause for celebration. Which challenges will the global organisation have to overcome to be assured another 75 years of existence?

The aim of this research is to understand the linking of crises for the combination of climate change and the COVID-19 pandemic.

This spring, Fordham Press will publish the book “Crimmigrant Nations: Resurgent Nationalism and the Closing of Borders”.

On 20 November, Special Professor of United Nations Studies in Peace and Justice, Alanna O'Malley, presented her research agenda for the next 3 years. An ambitious agenda full of projects to gain more insight into the origin and functioning of the UN.

The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…

Around 23,500 Dutch nationals have been affected by this rule This was revealed by government figures on the number of Dutch nationals who submit an application to an embassy after their nationality has expired. A change in the law is now proposed, but interest group Stichting Goed, which promotes the…

National Week Withouth Meat: March 9th-15th @ Leiden University PURE restaurants

On 1 September 2022 Güldeniz Kibris successfully defended a doctoral thesis and graduated.

Associate professor Eric Storm’s book on nationalism has been reviewed in two Spanish newspapers. Three newspaper published interviews with Storm.

Leiden students organised a Model United Nations (MUN) from 3 to 6 May in The Hague. An MUN simulates the working of the United Nations and is intended to allow students to learn about the practice of international relations. View the photo series.

Valentina Carraro gave a presentation titled "Strengthening the Human Rights Council and the UN Treaty Body System" at the 'Reinvigorating the United Nations' Conference organized by the Diplomatic Academy in Vienna on January 27th and 28th. During the conference Valentina presented her research on…

This year, the National Clean-up Day, in an adapted form, will take place. Join us and take a clean-up walk on Saturday, March 20.⠀

On 17 February 2016 Armin Cuyvers was invited to speak at the Liverpool European Law Unit (LELU) in a seminar on ‘Legitimacy and participation in the EU’. In his presentation, entitled ‘National parliaments as training wheels of EU democracy?

Every other year, Leiden University participates in the National Alumni Survey (NAE): a national survey of all recent graduates from Dutch universities. At the end of October 2017, anyone who received a master between October 1 2014 and September 30 2016, will get an email or letter with the request…

On 5 June 2018 Emile Beenakker defended her doctoral thesis ‘The implementation of international law in the national legal order: A legislative perspective’. The doctoral research was supervised by Professor W.J.M. Voermans.

Political Scientist Valentina Carraro (Leiden University) devises a framework to assess the degree to which United Nations human rights bodies provide duplicating or contradicting recommendations to states. Focusing on the case of torture, she creates an original database of recommendations delivered…

In this article in International Affairs, Saskia Postema and Jan Melissen examine Chinese celebrities' UN-affiliated Weibo activism in the context of China's increasing engagement in the United Nations, which coincides with a shrinking domestic public sphere under Xi Jinping's leadership.

Historian Alanna O’Malley has been appointed to a brand-new Professorial Chair in United Nations Studies in Peace and Justice in The Hague. This extra attention for the UN comes at a significant moment in world history, she says.

Leiden University took the initiative for a National Dialogue Network of Diversity Officers. The main goal is to create a platform of knowledge and experience related to the development and implementation of policies on diversity.

Drawing on insights from past and contemporary scholars and world leaders, the report explores the concepts of a new social contract, a new global deal, and networked and inclusive multilateralism introduced recently by Secretary-General António Guterres to help the United Nations better grapple with…

Dr. Joris Larik, Assistant Professor of Comparative, EU and International Law at LUC The Hague, has co-authored a report entitled 'UN 2.0: Ten Innovations for Global Governance 75 Years beyond San Francisco'.

“United Nations peacekeeping is a proven investment in global peace, security, and prosperity. Together, let us pledge to do all we can to enable that mission to succeed”. – Secretary-General António Guterres

Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.

Why are the majority of our national holidays based around Christian festivities? Arabist Maurits Berger talks about this in an article on Ruetir.

Neurospyschologist Liza Cornet is the winner of the national final of Famelab. Famelab is an international science communication competition for young researchers. The aim of Famelab is to explain your research as clearly as possible in a maximum of five minutes. No PowerPoint or video and with just…

Quentin Bourgeois and Luc Amrkeutz were interviewed for an National Geographic Historia article about the burial mound research in the Veluwe.

Is it a prehistoric mammoth tooth or just an ordinary pebble? It was National Finds Day at the Dutch National Museum of Antiquities on Saturday 17 June, and Leiden University was one of the collaborating partners.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

In this article, Joris Larik and Richard Ponzio grasp the importance of the Summit of the Future to overhaul and strengthen multilateral cooperation in an age of deepening rifts and increasing competition between the great powers. This article argues that a failure to convene a meaningful and ambitious…

Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.

The European Union has claimed, following its own investigation, that the Dutch government is falling short in how it deals with Dutch nationals convicted abroad, but who want to serve their sentences in the Netherlands. Jannemieke Ouwerkerk, Professor of European Criminal Law, has responded in Dutch…

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

Subproject of

Advanced Summer School on the European Union and the United Nations in The Hague. Explore global governance, EU–UN cooperation, simulations and institutional visits. Apply by 22 May 2026.

In this article, Vanessa Newby, assistant professor at the Institute of Security and Global Affairs, discusses credibility in peace operations. This article argues that credibility in peace operations must be built for both deterrence and cooperation purposes.

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice program of the Institute of Security and Global Affairs. This paper suggests a number of important avenues for states, the UN, and the ICC to improve the likelihood that the ICC receives assistance from UN peace operations.

As an interdisciplinary institute in the field of Security Studies, the Institute of Security and Global Affairs (ISGA) covers various topics in its research, one of which is the United Nations and the impact of this global organization in the world.

The book reinterprets the role of the UN during the Congo crisis from 1960 to 1964, presenting a multidimensional view of the organisation.

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice programme of the Institute of Security and Global Affairs. This paper discusses four important challenges to the involvement of UN peace operations in international criminal justice: its effects on host state relations, peace and justice…

Pintores, arquitectos y exposiciones internacionales –como las de Barcelona y Sevilla– tuvieron un papel crucial en la definición y visualización del carácter idiosincrático de cada región. Este libro pionero compara el proceso de construcción de identidades regionales en España con el de Francia y…