On 17 August 1945, two days after the Japanese surrender that also brought an end to the Second World War in Asia, Indonesia declared its independence. The declaration was not recognized by the Netherlands, which resorted to force in its attempt to take control of the inevitable process of decolonization.…

To strenghten ties with the public, press, other academics and wider society, LION employs an outreach officer.

Just Peace Festival

Lecture

Where are the Women in Global Governance and in peace processes?

Information Session

The Global Transformations and Governance Challenges Programme hosts a range of international academic gatherings, including the GTGC Conference, the GIG-ARTS Conference in 2024, and the first edition of the Just Peace Festival in 2025.

Leiden University’s Institute for Security and Global Affairs and Dual PhD Centre jointly organize an online lecture on 23 April, 15.00 hrs by Cleveringa Professor General Roméo Dallaire on “How a better world is possible”: Cooperation between Science and Practice.

Conference, Just Peace Festival

The state should prepare 'lifers' better for returning to society, for example by giving them some control over their own lives. This is the finding of Marieke Liem in her book 'After Life Imprisonment', published on 19 August.

The Global Transformations and Governance Challenges Programme hosts a range of international academic gatherings.

You will develop an understanding of the interconnectedness between the world economy, international law, justice, war and how peace might become more prevalent.

This is an Erasmus+ International Credit Mobility project of Leiden Law School with University of Sarajevo in Bosnia Herzegovina.

The Vrijthof excavations (1969-1970)

The key question addressed in this family study is whether the psychophysiological and neurocognitive abnormalities often reported in SAD patients are heritable and can thus be found in family members of SAD patients as well. Determination of heritability of these deficiencies is essential for endophenotyping.…

How can we connect quantum technology and society for an open debate on its future implications and applications?

Research groups in the Quantum Matter & Optics programme investigate electronic properties of matter and light-matter interactions with emphasis on quantum information.

In this second book of the series

What are ‘missing links’ in research on teacher professional development trajectories? We focus on the role and development of teacher facilitators in designing and implementing (collaborative) professional development trajectories.

On this page, you will find the recordings of the Tuesday Talks since April 2025. Recordings of the precursor to the Tuesday Talks, This Week’s Discoveries, are also available here.

It is widely known that conflict parties engage in ceasefires for a variety of reasons, but how do these reasons relate to the military and political aspirations of conflict party leaders?

Find out how to apply for the specialization Peace, Justice and Development at Leiden University by following our step-by step guide.

Jus post bellum, the body of laws and norms governing the transition from armed conflict to peace, has emerged as a crucial issue for international law scholars, governments, and all concerned with building a just and sustainable peace. The Jus Post Bellum Project, funded by the NWO and hosted by the…

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

Arts and culture

Prof. dr. ir. Bas Rietjens of the Dutch Defense Academy (NLDA) has been appointed Professor by special appointment Intelligence in War and Conflict at Leiden University’s Institute for Security and Global Affairs (ISGA). The appointment of Rietjens is the result of a more intensive collaboration between…

From 6-9 July, a group of young students from Edith Stein College, Rijswijk Lyceum and the Johan de Witt School travelled to New York City as part of the Van Aartsen Honours Program to present their visions of the UN to the Permanent Mission of The Netherlands. Read Alanna O'Malley's report of the t…

The protection of civilians (POC) in armed conflict has become a core strategic objective for the United Nations system and for UN peace operations in particular. The UN, however, is not the sole actor engaged in POC.

The 2012 crisis in Mali, where the state collapsed and terrorist groups took over the north, came as a surprise to many. Mali had been considered a poster-child for democracy and was judged as considerably more stable than its neighbors by leading quantitative indices of state fragility. This article…

New insights for policy promoting peace and security in Europe and the world.

The programme provides you for a succesful career. As a graduate, you will be qualified for positions within organisations such as international courts.

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.

Still have questions about the Public International Law - specialisation Peace, Justice and Development programme? Contact us via the details on this page.

Study information

The impact of a ceasefire shifts over the course of a conflict, as conflict party leaders learn more about each other’s military and political aspirations and adapt their use of ceasefires accordingly. That’s the key message of the dissertation of Valerie Sticher, PhD-candidate at the Faculty of Governance…

Study information