How is it possible that people kill each other? And above all: how is it possible that people who are able to peacefully live with each other at one moment, can kill each other at another one?

In the track War and Peace Studies, you will gain a thorough understanding of the history, theories as well as the contemporary and future policy challenges related to war, warfare, and the multidimensional promotion of peace.

The research group War, Peace and Justice brings together scholars, researchers as well as current and former practitioners to explore issues related to the drivers, nature and (new) dynamics of war and conflict, comprehensive approaches to the promotion of sustainable peace, and the role of justice…

The specialization Peace, Justice and Development at Leiden University examines the legislation that governs international relations in a global society.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

This project maps the policy of ‘Paz Total’ (Total Peace) and ongoing peace negotiations between non-state armed groups and the government of Colombia under the presidency of Gustavo Petro (2022-2026).

Law and peace in the work of Hans Kelsen. A re-evaluation of Kelsen’s legal philosophy: legal pacifism as tacit meaning of his Pure Theory of Law

Are you thinking about studying Crisis and Security Management: War and Peace Studies? Learn more and watch the videos.

Master

Is there a causal mechanism underlying the decision to attack another country when on the brink of war? If so, does this mechanism differ between regime-types? Political scientist Femke Bakker (Leiden University) addresses this question from a political psychological and comparative perspective and…

Why do some parties fail to settle conflict, even after long periods of fighting? ISGA PhD candidate Valerie Sticher suggests that costly concessions often stand in the way of a negotiated agreement. Conflict party members not only care about their in-group's welfare, but also want to avoid rewarding…

Perception of material culture, design and digital knowledge applications

The Peace Run was held in The Hague on 14 September as part of the Just Peace festival. The event aimed to gather funds for UNICEF the Netherlands. A large team from Leiden University took part in the Run. Altogether a successful day!

On a referendum held on May 21, 2006, 55.5% of voters in Montenegro voted in favor of their country’s independence. While in numerical terms the outcome shows overwhelming support for independent Montenegro, from a normative standpoint it was a narrow win. The normative framework that regulated rules…

On 17 March 2023, GTGC co-organized an event on Inclusive Peace in Ukraine together with Leiden University College, the Institute of Global Affairs at Leiden University, the UN University of Peace, and Peace Analytics. The event discussed the peace process in Ukraine and uncovered views from both theory…

Femke Bakker, political scientist at Leiden University, has been awarded a grant from the IPRAF (International Peace Research Organization Foundation) for her PhD research into the influence of political culture of different political regimes on individuals of these societies.

Who doesn’t want peace? Yet we don’t always appreciate how fragile it really is. This is why Leiden University was a co-organiser of the Just Peace Festival from 21 to 25 September 2016.

Finding solutions to the Israeli-Palestinian conflict is the not-inconsiderable task of the new Peace Academy in The Hague. Professor Maurits Berger and twelve students from different conflict zones are starting a creative thinking process that aims to discover the basic conditions for peace in the…

What are you going to do for peace and justice? What will your contribution be to achieving the UN Sustainable Development Goals? And who or what do you need to make sure your idea has impact? Come to Humanity House in The Hague on 21 September.

On Friday 1 April 2022, Tom Buitelaar presented his work to the Conflict, Peace and Security thematic area during a research feedback seminar. The title of his work was 'the Agency of Individuals in UN Peace Operations.'

On 5 November 2021, GTGC Conflict, Peace and Security thematic group organized a research seminar about Migration across the Mediterranean. In this seminar, Eugenio Cusumano from the Institute of History at Leiden University, presented a paper on Migration across the Mediterranean.

On 10 December 2021, the GTGC Conflict, Peace and Security thematic group organized a research seminar. In this seminar, Tahir Abbas, from the Institute of Security and Global Affairs at the Faculty of Governance and Global Affairs, presented a draft on ERC grant application on the inter-generational…

On 1 October 2021, GTGC Conflict, Peace and Security thematic group organized a research feedback session. In this session, Hilde van Meegdenburg's from Leiden University presented a theory chapter for her planned book about the Narrative Basis of Foreign Policy: On the use of Private Military and…

The imprisoned leader of the Kurdistan Workers’ Party (Partiya Karkerên Kurdistan, PKK), Abdullah Öcalan, called for a peace settlement between Turkey and PKK on 28 February 2015.

On 23 September, the Leiden alderman for the Management of Public Space was presented with a Ginkgo Biloba in the Blekerspark. This special 'Peace Tree' was grown from a seed from a tree that survived the atomic bomb that devastated Hiroshima. The Peace Tree is being temporarily housed in Leiden's Hortus…

The Just Peace festival is coming up shortly. From 21 to 24 September we will be celebrating peace in The Hague with some inspiring HagueTalks, the Peace in the Park festival and the annual Peace Run.

On 6 May 2022, Alies Jansen presented her work on 'Security Force Assistance in Iraq' to the Conflict, Peace and Security thematic area during a research feedback seminar.

On Friday 4 March 2022, Matthew Hoye presented his work on 'OFAC’s War in Afghanistan: Two Theories on Famine and Sanctions' to the Conflict, Peace and Security thematic area during a research feedback seminar.

Every year, the city of The Hague and its partners organise the Peace Run. This year a mixed team of staff and students from the Faculty of Governance and Global Affairs (FGGA) will take part! The aim of the Peace Run (a 5 or 10km run linking various peace related institutions in the city) is to raise…

Benoeming Willemijn Aerdts tot lid permanente commissie Vrede en Veiligheid

The AI research in the area of peace, justice and security at each of the three universities in Zuid-Holland complements the AI research being performed by the other two. Three researchers explain. Part one in a series of five about themes that the three universities’ AI research covers.

During this lunch seminar series all researchers from Leiden Law School can present their research. The idea is to hear in a simple and nice way what researchers from other research programs and institutes are working on. During a seminar two or three speakers will present their research.

Prof. Carsten Stahn, Professor of International Criminal Law and Global Justice and Programme Director of the Grotius Centre for International Legal Studies in The Hague, explores some of the connections between just post bellum and peacebuilding, based on findings of the Jus Post Bellum project and…

On 20 November, Special Professor of United Nations Studies in Peace and Justice, Alanna O'Malley, presented her research agenda for the next 3 years. An ambitious agenda full of projects to gain more insight into the origin and functioning of the UN.

Den Haag is de stad van vrede en recht. Rondom deze thema’s organiseren culturele en maatschappelijke organisaties het festival. De Universiteit Leiden is nauw betrokken bij de organisatie. Universitaire medewerkers en studenten doen bijvoorbeeld mee aan de Vredesloop, Marieke Liem van het Institute…

The International Day of Light (IDL) celebrates the ubiquitous role light has in our lives. From Argentina to South Africa, Japan and Pakistan, several events have taken place across all continents on May 16. The date is a token for people around the globe to connect with the importance of light in…

Natalia Sobrino-Saeb has attended the Nobel Peace Prize award ceremony in Oslo. She was awarded this honour after winning the essay competition of the Nobel Ignitor Fellowship, a programme that seeks to inspire young changemakers around the world – for change can be made by all of us: “You never know…

The AI research in the area of peace, justice and security at each of the three universities in Zuid-Holland complements the AI research being performed by the other two. Three researchers explain. Part one in a series of five about themes that the three universities’ AI research covers.

Dr Moritz Jesse (Associate Professor at the Department of European Law) was invited to present a lecture on the role of migration on peace and stability in post-war Europe at a masterclass for students and staff at the Catholic University of Lille, France. The talk, which bore the title ‘People’s mobility…

The Jus Post Bellum Project is seeking submissions of academic research papers for presentation at the final project conference on ‘Jus Post Bellum and the Justice of Peace’ on 29-30 September 2016 in The Hague.

The United Nations (UN) made history in October 2000 when Resolution 1325 on Women, Peace, and Security (WPS) was unanimously adopted.

The relationship between Iran and Saudi Arabia is worse than ever. According to Iran specialist Maaike Warnaar, it will be difficult to achieve peace in the region if there is no rapprochement between the two countries.