States, we are told, have monopolized the legal right to wage war since the seventeenth century and this arrangement has provided some basic stability in international relations. But is this really true? This project challenges this classic account and opens the way for rethinking the contemporary laws…

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.

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.

A conference organized by Niels Blokker, professor of International Institutional Law and Ramses Wessel (RUG) to celebrate the 20th anniversary of the International Organizations Law Review.

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…

On 9 January 2019, Marieke Wierda defended her thesis 'The Local Impact of a Global Court: Assessing the Impact of the International Criminal Court in Situation Countries'. The doctoral research was supervised by Prof. dr. C. Stahn en Prof. dr. L.J. van den Herik.

The ongoing conflicts between the United States and its allies and Russia and between the United States and its allies and China reflect both the anarchical nature of the international system and the uncertainty with which decision-makers and diplomats have to deal with in attempting to solve the conflicts…

The Grotius Centre for International Legal Studies is offering two internships on a full-time basis in spring 2019.

On 27-29 October 2021, the ERC Project PASSIM (Patristic Sermons in the Middle Ages, Radboud University Nijmegen) will organize the International Workshop On the Way to the Future of Digital Manuscript Studies. Deadline for submission: 10 May 2021.

Submit your paper, session or business proposal for the International Medieval Meeting in Lleida until 31 March 2023.

From 27 until 29 October 2021, the ERC project PASSIM organizes an international workshop on the future of digital manuscript studies.

This article traces the evolution of interpretations of international law and international cyber norms on responsible state behaviour in cyberspace by reassessing five major – and allegedly state-led – cyber operations: Stuxnet 2010; Belgacom 2013-2014, the Ukrainian power grid 2015, the US presidential…

If you're in Leiden this week, you can't miss the large groups of international students exploring the city. The Orientation Week Leiden (OWL) - the twice-yearly introduction week for international students - started on Tuesday 24 January, this time with more than 400 new students. ‘Every second building…

On 1 and 2 September, colleagues of Leiden Law School participated in the very first International ELS Conference, organised by the ELS Academy in Amsterdam.

Utrecht University and Université catholique de Louvain organize a workshop (1 February 2023, Utrecht) on good governance in the late-medieval city (1200-1600). This workshop invites researchers from different disciplines (history, literary studies, history of art and architecture, political philosophy,…

Women In International Security (WIIS) is a global organisation dedicated to advancing the leadership and professional development of women in the field of international peace and security. As part of her research on women, peace and security, Dr. Vanessa Newby at the Institute for Security and Global…

Sarah is the latest addition to our team...

Comprehensive, scholarly compilation of legal studies of substantive and procedural children’s rights, breaking new ground by analysing a wide range of international children's rights issues.

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.

Reasserting America in the 1970s brings together two areas of burgeoning scholarly interest.

The main aim of the project is to collect and update on a regular basis bibliometric and patent indicators that can be used to underpin and inform analyses pursued at the European Commission (EC) to assess European and national scientific and technological performance.

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.

Organised in three separate sessions throughout the day, and broadcast live online to guests and families who could not join, over 200 students received their Bachelor’s Diploma of International Studies on 3 September 2021 at the graduation ceremony in the historic Pieterskerk in Leiden.

The Grotius Centre for International Legal Studies is offering two internships on a full-time basis in spring 2020.

The International Reynard Society studies the role of animals in the European literature of the Middle Ages and its afterlife. It focuses especially on beast epics, fables, and fabliaux. The 24th international colloquium of the Society – Of Foxes and Fish: Interdisciplinary Approaches to Medieval Animal…

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

Over fifty international students celebrated last Christmas at the homes of staff or students of Leiden University. As part of the Holiday Hosting Programme, the students were invited for Christmas dinner.

Valentina Carraro presented her paper at the workshop ‘Collective agency of international institutions’, University of Bamberg, 6-7 October 2022.

The Kalshoven-Gieskes Forum on International Humanitarian Law and the Grotius Centre for International Legal Studies hosted the second annual “International Humanitarian Law Clinic Exchange Conference”, from 8 to 14 December 2016, in The Hague. The idea to organize the conference stems from a collaboration…

Professor Bob Wessels has published a bibliography of International Insolvency Law as per January 2015. This document is an update of the 2011 bibliography and comprises sources of some 15 countries.

From 24 to 27 January international students learn all about Leiden during the Orientation Week Leiden (OWL). On Wednesday, Leiden Science welcomed 60 new students from across the world, who are starting their master’s programme in February. The students were given the opportunity to meet their fellow…

On Wednesday 19 October 2022, the graduation ceremony for the International Relations MA programme took place. In the Teylerszaal of the Academy Building, the cohort of Master's students received their diploma.

Three years after the very first cohort of the Leiden University Bachelor of International Studies graduated, approximately 40 alumni and staff got together for a day of recollecting pleasant memories and sharing new stories. The BAIS Alumni Board collected some ‘Lessons learned’ from their alumni.

This workshop aims at fostering and promoting the exchange of ideas on how to edit late antique and early medieval texts (mostly Latin texts, but without excluding possible extensions to the Greek field). Young scholars in particular are encouraged to present case-studies and share the editorial problems…

On 2 September 2022, 300 students received their Bachelor Diploma of International Studies. The students were awarded their diplomas in the historic Pieterskerk in Leiden, in front of a large audience of family and friends. With about 1000 people present, including the graduates, the International Studies…

Coming semester Karen Vet will be joining our team as the new intern. She has a BA in Middle Eastern Studies from Leiden University, specializing in Arabic language and culture.

Beatrice Noun (alumna BA International Studies) currently lives in Paris and works for the World Bank as a consultant while doing a master’s degree at Sciences Po in International Development. We caught up with her and asked her a bunch of questions like which steps lead her to this career path? And…

Luca Bruls is currently doing an internship at NVIC. Besides that she works on an ethnographic account of the museum of Islamic art in Cairo. Read more…

Terrorism, crisis, violence, intelligence, diplomacy, war and peace are topics that are broadly covered in ISGA's research activities. Regularly, ISGA researchers appear in international media to discuss their research expertise. This item offers an overview of non-Dutch and non-English articles and…

The 8th Global Conference on Transparency Research (GCTR) took place between 15 and 17 May.