The United States used threats to influence the nuclear programs of Iran, Libya and South Africa. How effective was this diplomatic coercion?

Lecture, Peace Histories Seminar Series

On 22 January, a panel of international experts on nuclear deterrence gathered at the Campus The Hague to discuss the future of nuclear deterrence in Europe. The panel addressed key aspects of nuclear strategy and the impact of Russia's nuclear rhetoric in the context of the war in Ukraine.

In 2007, a spy from the Dutch General Intelligence and Security Service (AIVD) planted a destructive computer virus at an Iranian nuclear site, halting the Iranian nuclear weapons programme. Dutch newspaper ‘de Volkskrant’ has revealed that the AIVD kept the crucial role of the Dutch spy a secret from…

Panel discussion

Eva Michaels talks about the current international security environment, including intelligence issues with Sir John Sawers in an interview in El País.

Lecture, Peace Histories Seminar Series

Lecture, Histories Connected: Work-in-Progress

This research project investigates diversifying and democratizing heritage through practices of “home-making”. Research may include studies of allotment gardens, displays of immigration histories, and forms of collaborative heritage, mostly in the Netherlands, with possible comparisons elsewhere in…

At the start of his PhD, intelligence analyst William Lippert didn’t yet know what to expect. Little had been written on the subject. Three years later, he is sure: conventional arms control agreements promote peace.

The Houthis are attacking ships in the Red Sea. Rerouting via South Africa is expensive, whereas the Arctic route only takes a week. Once a no-go zone, this route might be a more realistic option. Mind the nuclear submarines, though…

From the First World War until the height of the Cold War, actors from the decolonizing world sought to build connections with international peace movements. These efforts produced new networks and practices of solidarity while also exposing tensions over the centrality of decolonization in global struggles…

Since 24 March, the Kamerlingh Onnes Building of the Faculty of Law has been full of hundreds of colourful jellyfish. But behind that enchanting sight is a serious message: the exhibition symbolises the loss of biodiversity in the oceans due to climate change.

Memorandum of understanding (MoU) signed between ISGA and Fukushima University during visit in Japan

Professor of International Relations Daniel Thomas is clear: anyone taking peace in Europe for granted is shutting their eyes to reality.

Dutch mosquitos are more resilient to saltwater than previously thought. Environmental scientist Sam Boerlijst discovered this during his PhD research at the Hortus botanicus. This knowledge is crucial for understanding how mosquito-borne disease transmission might change in the future.

CADS lecturer Sander Hölsgens is one of the initiators of the NWO Smart Culture Project Documenting Complexity (project number CISC.KC.212). This project investigates how and why engaged documentary filmmakers use new technologies in their work. One of the outputs of this project is the series ‘In Whose…

Are you looking for some listening material for the upcoming long weekend? Staff members and alumni of the Faculty of Humanities have been creating various podcasts over the last few months. A selection is shown here:

Recently, Engin Yüksel gave a lecture on Russian military concepts from 1853 to the present day and his observations on the Russo-Ukrainian war at the Faculty of Humanities, premised on his recently completed doctoral research.

Nu de NAVO inzet op 5% defensiebudget, zoekt Nederland naar financiering. Politicoloog Van der Zwan ziet kansen bij pensioenfondsen—mits defensie duurzaam heet.

Astronomers at Leiden University have detected rare isotopes of carbon and oxygen in our neighbouring stars for the first time, providing a new window to better understand the chemical evolution of the cosmos.The results are published today in the journal Nature Astronomy.

In the Gorlaeus Building, there will be a brand new faculty bar for students and staff. From hundreds of entries, a faculty jury chose the name for this bar. The new bar will be called 'The Fusie'. 'This name exudes togetherness and cosiness,' says FWN assessor Nalani Verwoord. 'And it has an additional…

Lecture, Peace Histories Seminar Series

"Climate citizenship” explores how adapting environments to climate change can change the way people interact with each other and with government. It focuses on nature-based or 'green' climate infrastructure projects that make use of natural entities or dynamics. With an ERC grant, anthropologist Andrew…

From 16 to 20 June 2025, the Institute of Security and Global Affairs of Leiden University hosted the annual Summer School The European Union, the United Nations and Global Governance in The Hague. The programme brought together recent graduates, PhD students, and young professionals from a variety…

During the panels, alumni from all 4 FSW study programmes (Cultural Anthropology, Education and Child Studies, Political Science and Psycology) will share their experiences in their field of work. Each panel will focus on one field of work and will host 4 alumni, one from each FSW study programme.

North Korea may seem like an isolated country but it has strong ties with African regimes. This alliance, which trades in arms despite international sanctions, is increasingly operating out of the liberal world order’s sight, PhD candidate Tycho van der Hoog warns.

Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…

It is the final stretch for the students of FGGA. Summer is approaching and they are working hard to complete everything before the summer holidays. We asked some of them how they look back at the academic year. ‘Being a mentor during HOP week is something I can recommend to everyone’

Alumnus Anoma van der Veere did Japanese studies and talks in this interview about his studies in Leiden and his work as a researcher at the Leiden Asia Centre and as Japanese correspondent in Tokyo.

Bhumika Gupta (21), International Studies alumna, secured an internship in the OPCW, the Organisation for the Prohibition of Chemical Weapons. She has set a path for herself, leading towards the job of her dreams, and this internship is a big step towards that future job.

The nominees for the IRO Thesis Prize 2024 and the Prof. Dr. J.Th.J. van den Berg-prijs 2024. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?

2025 was a year full of impact and milestones for FGGA: From a record number of graduates and new programmes to international collaborations, prestigious awards and research that pushes boundaries and provides insight into current challenges.

Just Peace Festival

Lecture, SMILE Talks

Study information

Lecture, Ancient History Research Seminar

Yousef Yousef is a 'self-made man'. But he first obtained his bachelor's degree in tax law in Leiden. 'A CEO needs to have a basic understanding of the principles of law', he says.

Five students who graduated from the Bachelor Security Studies share their experiences. Where did they end up after graduation? Are they still using the skills they gained during their studies?

Four students who completed the Bachelor's in Security Studies share their experiences. What did they learn? Where did they end up after graduating? And do they still use the skills they acquired during their studies?

Lecture, Research Seminar

The English-language interdisciplinary minor ‘AI and Society’ explores the role of artificial intelligence in our society. The interdisciplinary nature of the minor is proving beneficiary for students and lecturers alike. We sit in during a class.

Lecture, Studium Generale