Large numbers of children all over the world face significant health risks, such as infectious and chronic diseases, malnutrition, injuries and the consequences of natural disasters, protracted armed conflicts and poverty.

The newly opened Culture Arcade exhibition is a place where cultural heritage and video games come together. It is co-organized and curated by the VALUE Foundation of which Faculty staff members Aris Politopoulos and Csilla Ariese-Vandemeulebroucke are part of, together with the Prince Claus Fund.

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

On 10 June 2021, Merinda Stewart defended her thesis 'Freedom of Overflight: A Study of Coastal State Jurisdiction in International Airspace'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon en Prof. J.J. Rijpma.

This book presents an understanding of the concept of Countering Violent Extremism from a critical terrorism studies perspective using case studies from different countries while examining the issues it raises.

On Tuesday 17 October 2017 Alexandre Genest defended his PhD dissertation ‘Performance Requirement Prohibitions in International Investment Law’ as part of a double PhD programme at the Universities of Leiden and Ottawa. The Supervisors are Professors M.E. Koppenol-Laforce. F. Baetens (Universities…

What does the excavated material tell us about the continuation and/or change of urban life during the transitional phrases from Antiquity to the Middle Ages on Crete and in the eastern Mediterranean more generally?

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

Together with Pepijn Tuinier and Thijs Brocades Zaalberg, Sebastiaan Rietjens researched the role of trust in an international intelligence cooperation.

In this article, the authors analyse two major factors that deepen informality, namely multipolar geopolitics and the rise of non-state actors.

Site visit

Ruobin Han defended her thesis on 21 March 2017

Conference

On the eve of World War II, Leiden was home to the largest Indonesian student community in the Netherlands. Many of these students joined the resistance against the German occupation, and later some fought for Indonesia’s independence.

Assessing the feasibility and legitimacy of the current model of global tax governance and the role of the OECD and EU in international tax law-making.

On 28 October, Leiden University received the first Javanese Culture Prize from Universitas Sebelas Maret in Solo, Indonesia. The jury praised Leiden University’s extensive collection of Indonesian and Javanese manuscripts.

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.’

The logic seems inescapable indeed. The bigger the population, the higher the probability it contains an Einstein. Hence, bigger populations are more likely to develop complex culture.

Protestant missionaries have provided the earliest and most detailed sources regarding the ritual art of the Papuan peoples of the Geelvink Bay.

In our HANDS!Lab for Sign Languages and Deaf Studies, we run projects pertaining to sign language linguistics with a focus on Africa. In addition, we are running projects on sign language teaching, tactile signing, deaf people’s experiences with the legal system, and deaf history.

In this article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

The corona crisis is also a disinformation crisis for the global community in general, and for the European Union (EU) in particular. What is less clear is how adequate the EU’s response to the ‘infodemic’ has been. This essay exposes the dangers of disinformation for the EU, which have intensified…

On Thursday 29 January 2026 Uğur Derin successfully defended a doctoral thesis and graduated.

culture week fgga. from 25 to 29 May we will pay extra attention to culture. A different theme is central every day.

The Board of Governors of Leiden University has confirmed the appointment of Professor André Gerrits (Institute for History, currently in the field of Russian Politics and History) to the field of International Studies and Global Politics, commencing October 1st 2015.

On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

Gender sidestreaming? Analysing gender mainstreaming in national militaries and international peacekeeping

Festschrift for Prof. Dr Raymond H.A. Corbey in celebration of his 70th birthday

Organised in four separate sessions throughout the day, and broadcast live online to guests and families who could not join, a total of 260 students received their Bachelor’s Diploma of International Studies on 28 August 2020 at the graduation ceremony in the historic Pieterskerk in Leiden.

On 14 October 2019 the Institute of Security and Global Affairs (ISGA) convened a one-day International Business Diplomacy workshop, which was held under the auspices of The Hague Journal of Diplomacy.

Teachers viewed multicultural classes with VR glasses and discussed that for the study 'Culturally responsive teaching in multicultural classes'.

What contributes to the successes and failures of governance networks in small to medium-sized Western European host cities in attracting International Organizations?

The US attack and the arrest of Venezuelan President Maduro have raised questions worldwide. Two Leiden experts in international law, Anna Marhold and Jens Iverson of the Grotius Centre, told media outlets that this constitutes a violation of international law.

Leiden has an international reputation as a stronghold of knowledge about cultures worldwide. Under the umbrella name of LeidenGlobal, Leiden University, the National Museum of Antiquities, the Natioial Museum of Ethnology and five research institutes are working together to disseminate this knowledge…

On September 20 and 21, a conference on the governance of international courts and tribunals took place at Leiden Law School.

Since its inception, a central preoccupation of and for the International Criminal Court (ICC) has been the nature of its relationship to national jurisdictions. Complementarity—the idea that the Court is intended to supplement, not supplant, national jurisdictions—has been the dominant juridical logic…