Professor Isabelle Duyvesteyn will be the new programme chair of International Studies. As of 1 September, she will be at the helm of the largest programme of the Faculty of Humanities.

Dr. Anne-Isabelle Richard has received a Veni grant for her research project ‘Eurafrica, African Perspectives, 1918-1970s’. The project will examine the relationship between Africa and Europe from an African perspective.

LUCL congratulates Isabelle van de Calseyde with winning the LSr Teaching Prize!

Studying change in the course of human history, in different places, through the lens of a diverse set of core themes; World History for International Studies offers readers a set of windows into different debates historians have been conducting.

Isabelle Duyvesteyn, Professor of International Studies and Global History at the Institute of History and member of the advisory board of Leiden University’s Centre for International Relations (LUCIR) is widely regarded as an expert on civil wars and conflicts. Her new book, Rebels and Conflict Escalation,…

“Very French and very impressive.” Those are the words drs. Isabelle van de Calseyde used to describe the reception at the French embassy residence in The Hague on 2 June 2015. There, she and dr. Sjef Houppermans were presented with an distinction for their remarkable services to the French language…

The Team International Relations and European Studies addresses the interconnections and interdependence of contemporary global political, economic, security and culture from a multidisciplinary perspective rooted in the humanities. More specifically it is concerned with the study of international relations…

Research in the International Relations and European Studies Team addresses the interconnections and interdependence of contemporary global political, economic and cultural affairs from a multidisciplinary perspective rooted in the humanities.

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

Contact information for the Leiden University Centre for International Relations.

Violence during war often involves upswings and downturns that have, to date, been insufficiently explained. Why does violence at a particular point in time increase in intensity and why do actors in war decrease the level of violence at other points? Duyvesteyn discusses the potential explanatory variables…

Volume I of The Cambridge History of Strategy offers a history of the practice of strategy from the beginning of recorded history, to the late eighteenth century, from all parts of the world.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

Strategic direction of the GTGC initiative lies with a Steering Group, composed of seven members from four Leiden University faculties. Chaired by Leiden's Professor of Global Transformations and Governance Challenges, the Steering Group addresses questions such as overall vision, staffing, communications,…

Volume II of The Cambridge History of Strategy focuses on the practice of strategy from 1800 to the present day.

Legitimacy is generally a term that is associated with the state. The term surfaces when there are problems with state legitimacy—when it is lacking or absent. This present volume attempts to think through the relevance of the concept of legitimacy for other political actors than the state.

One of the current research projects funded by the profile area Political Legitimacy is the research group From Disorder to Order: Conflict and the Resources of Legitimacy.

How did African actors engage with the idea of Eurafrica?

History is being taught at Leiden University since the days of Justus Lipsius [1547-1606]. In 1860, following the appointment of Robert Fruin as Leiden professor of Dutch History, modern historical investigation started in the Netherlands.

In this publication, Prof. Tahir Abbas, Inés Bolaños Somoano, Joana Cook, Isabelle Frens, Graig R. Klein and Richard McNeil-Willson look into the manifesto that was linked to the Buffalo attack in order to better understand the broader context and specific factors that motivated the perpetrator.