Op maandag 1 april 2024 stierf onze leermeester, vriend en gewaardeerd collega Dr. Alexander Hendrik de Groot (Sander).

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.

From 1967 to 1982, the United Nations undertook several peacekeeping operations in the Middle East. In his thesis from the Institute for History, Diego Salama examines how these operations were connected and their impact on the region.

Leiden University College (LUC) is proud to announce that it have been awarded the Special Feature Sustainable Higher Education by the Accreditation Organisation of the Netherlands and Flanders (NVAO). This recognition affirms the deep commitment to embedding sustainability across the curriculum, research,…

The Dutch universities are shocked by the Russian invasion of Ukraine and empathise with all those affected by this act of aggression. Leiden University also calls for solidarity with and support for all those affected by the war.

Postdoc Intigam Mamedov comments in The Conversation on the recent peace talks between Russia and the USA regarding the war in Ukraine.

Associate Professor Salvador Santino Regilme discusses the recent launch of the Board for Peace by President Donald Trump in the Portuguese newspaper Expresso.

Tensions are rising between Russia and the West. Can an invasion of Ukraine and an international war be avoided? Political scientist and Russia expert Hans Oversloot warns of the consequences if the West chooses a collision course. ‘Offer Russia a dignified exit strategy.’

Four years of war in Ukraine have transformed the nature of warfare, with drones, digital defence systems and improvised solutions shaping the battlefield. At a recent symposium, Dutch and Ukrainian experts discussed frontline conditions. What lessons do they see for Europe?

Yung Lin’s research explores how citizens in Taiwan and Southeast Asia actively shape public diplomacy, build trust across cultures, and address identity-based conflicts, highlighting the shift from government-led to citizen-centred diplomacy.

In 2025, Leiden University College (LUC) celebrates its 15th anniversary with the theme 'Global challenges, local impact'. To kick off this anniversary year, we have shared fifteen stories over the past few weeks showcasing how LUC students, researchers, and alumni contribute to societal challenges…

University Lecturer in History and International Studies Andrew Gawthorpe discusses on The Conversation the newly signed US-Ukraine economic partnership agreement.

Five lecturers from Leiden University have received a Comenius teaching award. With the grants they can carry out an innovation project.

Fifteen knowledge institutions and the Ministry of Education, Culture and Science have signed the covenant for Open Science NL. Leiden University has also joined the covenant, via the Universities of the Netherlands. This marks the start of the Dutch Research Council’s and brings the transition to open…

Students face increasing pressure during their studies. How can we embed student well-being in our teaching? What role do prevention, knowledge and expertise play? And should we see student well-being as an aspect of innovation in teaching and learning? This is what policymakers and teaching staff from…

In summer 2018 classical archaeologist Hanna Stöger passed away. At that moment she was in the midst of several cutting-edge research projects on the use of space in the Roman city of Ostia. To make sure that her groundbreaking work would not go unpublished, long-time colleagues Hans Kamermans and Bouke…

At the start of the new year, we celebrate the release of a new selection of collection items into the Public Domain. This year, Leiden University Libraries (UBL) is making approximately eight hundred items freely downloadable via Digital Collections.

How can the Netherlands help secure a peaceful future for Israel and Palestine? At a recent meeting at the university, two remarkable speakers shared their perspectives: Somaya Bashir, a Palestinian woman living in Israel, and Palestinian journalist, Houssam Khadra, who fled Gaza over a decade ago.

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

For this interview, we spoke with Thomas Ansell: Head of Communications at The Hague Humanity Hub. The organisation facilitates and supports innovations geared towards peace and justice. They provide new connections, collaboration networks, and exchange of information. What kind of organisations is…

In this section you will find a listing of national teaching awards, fellowships and grants.

With a full auditorium at the university's Wijnhaven campus, an extensive programme, inspiring speakers and visitors from a wide range of disciplines, all the ingredients were in place for a successful second edition of the Nacht van de Digitale Veiligheid of Digital Security on 26 May 2026.

It is with sadness that we have learned of the passing of our former colleague professor Herman Schaper on Tuesday 30 November this year. Herman held the Pieter Kooijmans Chair in Peace, Law and Security at Leiden University from 2014 to 2017.

On Thursday 6 May 2021, alumni of the Bachelor Security Studies (BaSS) and the Master Crisis and Security Management (CSM) were gathered in an online event arranged by the Institute of Security and Global Affairs and the study association L.S.A. Custodia.

Dr. Jelena Belic and Dr. Tom Theuns have each been awarded XS grants from the NWO to develop innovative lines of research. Dr. Belic’s project examines distinctive ways in which the deployment of digital technologies interferes with freedom, while Dr. Theuns explores the ideological tensions between…

Michael Kowalski has been appointed as part-time Professor by special appointment of Applied Ethics in Intelligence and Security at the Institute of Security and Global Affairs (ISGA) at Leiden University.

Writing a Master’s thesis is a challenging process for many students. What do you do when your students get stuck, are unsure about their approach, or need help with statistics? As a thesis supervisor, you have only limited time to spend with each student. FSW's Master Thesis Lab offers a solution.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

The introductory meeting of the new evening track Management and Consultancy (MSc Management Public Sector) was held on Thursday 3 February at Wijnhaven. Prof. dr. Frits van der Meer, in charge of the professional Public Administration master programme, welcomed the first cohort of students together…

De Raad van Advies bestaat uit leden die een binding hebben met de faculteit. Daarnaast zijn zij goed thuis in de wereld van de advocatuur, de rechterlijke macht, de overheid en het bedrijfsleven. Het faculteitsbestuur gebruikt de adviezen van de Raad van Advies bij de beleidsontwikkeling van de faculteit…

During a recent event, the Leiden Institute of Environmental Sciences presented the breadth of its research on biodiversity.

Europe’s security suddenly looks uncertain now President Trump has started negotiations with Putin. What does this mean for the Netherlands? What do we need to do?

Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.

On 17 February 2024, Leiden University's Scheltema building was abuzz with the energy of the annual MSc International Relations and Diplomacy (MIRD) Re-Connect Gala. This year's event marked a joyous return to in-person gatherings, bringing together 200 students, employees, and esteemed alumni of the…

What with coronavirus, the American elections and the Brexit botheration, we had almost forgotten that something miraculous happened in 2020: the repressed people of Belarus rallied against dictator Alexander Lukashenko, who has been in power for 26 years. Months later, what remains of the protest?…

Famine, bombing of civilians and the almost complete destruction of Gaza. The world looks on at an unfolding humanitarian disaster. Why have our international organisations failed to prevent this tragedy? An interview with Professor Jan Aart Scholte, an expert on globalisation and global democracy.

Our constitutional democracy is under pressure. Politicians are increasingly bending rules and institutions to their will, often in small steps. PhD candidate Jorieke Manenschijn warns that through a combination of subtle changes we can cross a line without realising it.

Psychologen laten zich horen over de plannen om de internationale bacheloropleidingen op te heffen in de Randstad en Tilburg. Het inititatief #Ikbeneenpsycholoog van Judith Schomaker op LinkedIn vindt navolging. Lees een selectie van de posts en ook het blog van Eiko Fried over de consequenties.

'Let's make this a twice-yearly tradition!'– a feeling shared by many after the vibrant Research Day. Engagement started early, with participants connecting informally over good coffee before the formal start of the event on 19 November.

Mozambican politician and child rights activist Graça Machel will receive an honorary doctorate from Leiden University for her commitment to the rights of women and children in Africa and elsewhere. She will be awarded the honorary doctorate on the Dies Natalis, the University’s foundation day, on 8…