Article by Leiden University political scientist Daniel Thomas about shifting norms for membership in international organisations.

Nature and History, Towards a Hermeneutic Philospohy of Historiography of Science

This course explores international arbitration as one of the most common methods of international dispute settlement. You will gain an in-depth understanding of international arbitration through the analysis of its role as a mechanism of dispute settlement, its institutions, the fields of law it is…

This project studies the roles of prehistoric foragers in past ecosystems to establish the character of past “natural” landscapes and enhance the management of current ones.

The second major collection of papers from the Bridging the Unbridgeable project.

On the 11th of October, Micheal Swanton succesfully defended his PhD-thesis and graduated. LUCL congratulates Micheal on this great result.

An in-depth history of Large Language Models—and what their ubiquity, disruption, and creativity mean from a wider sociopolitical perspective.

This course provides an insider perspective into the work of international criminal courts and tribunals. You will learn about the investigation and prosecution of international crimes in The Hague.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

IIAS promotes critical, humanistic, and collaborative work on, with, in, and beyond Asia.

Can international organisations be held responsible for violations of international law by peacekeepers in a peacekeeping operation?

How did digital intermediality symbolise and facilitate the transfer of content from popular culture into policy statements and vice versa in the period between 1945 and the new millenium?

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

Liu Puning defended his thesis on 25 April 2018.

Are you thinking about studying Global Political Economy? Learn more and watch the introduction video.

Are you thinking about studying European Union Studies? Learn more and watch the introduction video.

This PhD project investigates how automatic sign language recognition technology can be further developed to analyse static images and textual descriptions of signs.

How was the future United Nations Organization promoted to global publics during WW II?

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

Which genes are involved in woodiness and associated traits such as drought tolerance, flowering time, stem elongation, life span, and plant herbivory, and how do these gene regulatory pathways overlap?

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

The fifth edition of the Owada Chair Symposium, that was held in Leiden on 14 and 15 October 2025, highlighted the law and politics of international criminal justice.

Discover the career prospects for graduates of the MSc International Politics at Leiden University: roles in diplomacy, think tanks, government institutions, and international organisations.

Explore the career prospects of MSc International Organisation graduates at Leiden University. Includes acquired skills, employment sectors, alumni insights and career support.

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

Does the political context (e.g., democracy vs. authoritarianism) influence what makes people perceive authorities as legitimate?

This project studies social distance—the degree of sympathetic understanding that exists between people—in relation to state foreign policy making. Does, and if so how does, social distance shape political biases, aid narratives, and, ultimately, state foreign policy priorities and decisions?

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…

Museum Temporalities analyzes how museums relate to time. It explores the hidden temporal assumptions and practices that define museums. How might these assumptions help us to better understand and address museums’ often problematic and painful relationship to the colonial past?

A defining fixture of our contemporary world, video games offer a rich spectrum of engagements with the past.

In a podcast episode of 'New Books in History' Claire Weeda talks about her book 'Ethnicity in Medieval Europe 950-1250: Medicine, Power and Religion'.

This page provides an overview of the MSc International Organisation specialisation at Leiden University (The Hague). Includes curriculum, thesis seminar, small-group teaching and internship possibilities.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. Registration is now open!

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…