On Wednesday 9 March, a Faculty meeting about the war in Ukraine was held for staff and students in the Lorentz Lecture Hall. By the time the meeting started at 17.00 hrs, the 220 available seats in the lecture hall had been filled mainly by large numbers of students.

On Friday, November 17, 2017, Assistant Professor Jens Iverson provided the Keynote for the annual symposium by the Minnesota Journal of International Law: Jus Post Bellum: Justice After the War.

The Department of Civil Law is responsible for education and research in the field of civil law. We teach the master’s degree programme Civiel Recht (Civil Law LL.M.), attracting many students each year from Leiden and elsewhere.

Conceptualizing ceasefires as bargaining instruments challenges established ideas about the processes that lead up to conflict settlement, and about war re-emergence, with important implications for our understanding of war and peace.

Professor Ian Lilley, the Faculty of Archaeology’s Willem Willems Chair in Archaeological Heritage, was invited by Her Excellency Mrs. Marion Derckx, Ambassador of the Kingdom of the Netherlands in Australia, to present the 2022 commemoration speech for Netherlands Memorial Day on May 4th at the Netherlands-Australia…

Adopting a largely chronological approach, Gerrits links the historiography of post-war Europe and the major theoretical approaches to nationalism with analysis of key historical developments and events.

Civil Law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

In an essay published in three prominent European newspapers, Professor Luuk van Middelaar takes a close look at Europe’s role in the Russian invasion of Ukraine. ‘Europe shows plenty of political energy, but what is still lacking is strategic cool-headedness, in facing a nuclear power.’

Tensions ran high last week after China published a list on Wednesday of $50 billion in American products that would be hit by tariffs; a direct response to the United States' decision to implement $50 billion of tariffs on Chinese products. Could this be the start of a new trade war? And if so, what…

Recent publications in the BLRN book series can be found below.

The Hazelhoff Centre for Financial Law offers the Dutch master Financial Law and the Advanced Master Law & Finance. Furthermore, they provide a course within the bachelor International Business Law and offer a wide variety of postgraduate education.

According to Russian propaganda Ukrainians are Nazis and people from the West are Satanists. Egbert Fortuin thinks we should take this propaganda seriously.

When Russia invaded Ukraine at the end of February, normal life there came to a halt. To ensure that affected students and researchers can continue their studies and work, professor Ellen Rutten (UvA) and assistant professor Dorine Schellens (Leiden) set up an international mentor network.

Simon Willmetts provides evidence for systematic policy of direct collussion between the TIme Inc. media empire and U.S. Central Intelligence Agency.

Claire Vergerio, political scientist at Leiden University, has been awarded a VENI grant by Dutch research organisation NWO. This will allow her to conduct an in-depth analysis of the legal rights and duties of non-state actors involved in warfare. The aim is to tackle some persistent blindspots in…

Stories of resistance in the Second World War are widely covered in Dutch historiography: Hannie Schaft, Erik Hazelhoff Roelfzema, and Professor Cleveringa are some of the best known. But these accounts largely focus on the Dutch domestic perspective. On the other side of the world, a complex colonial…

The war in Ukraine has lasted almost two weeks now. What does Putin expect to achieve with his invasion and how big is the chance that the West will get involved? We phoned André Gerrits, professor and expert on Russia.

On the 6th of March 2023, Santino Regilme presented his work-in-progress titled 'Global Drug Wars: Contested Normative Orders of Peace, Security, and Human Rights'. If the battle against illegal drugs is construed as a war, how is victory in such a war defined and constructed? If the oppositional…

Starting 1 January 2023, Matthias Haentjens has been appointed as Professor of Civil Law at Leiden University. His expertise lies in the field of property law, insolvency law, and private international law.

Denying war crimes and genocide is prohibited by law in the Netherlands. Minimising international crimes can also have far-reaching consequences, warns Marloes van Noorloos, Professor of Criminal Law and Criminal Procedure, in Trouw newspaper.

On 27 september historian Adam Zamoyski held a captivating lecture on his new book Napoleon: the Man behind the Myth. During this lecture, which was an initiative by Polen in Beeld and the Central and Eastern European Studies Center, Zamoyski answered the question: ‘what were the Napoleonic Wars really…

Drugs-related violence in Mexico is similar in terms of dynamics and strategy to the IS hybrid war in the West. This is the claim made by Teun Voeten. PhD defence 20 September.

Political scientist Corinna Jentzsch (Leiden University) explains why Mozambique is not (yet) a success story.

This collection includes six short policy-focused contributions exploring how legislation and policy on counter cyber terrorism unfold at the national level in the United States, the United Kingdom, China, Russia, France, and at the regional level of the European Union.

Paul Christiaan Flu, originally from Surinam, was a brilliant tropical doctor, who in 1938 rose to the position of Rector Magnificus of Leiden University. The war years brought his lightning career to an abrupt end: his son was murdered and he himself was imprisoned in a concentration camp. A sad family…

During the ‘Hour of Remembrance’ on 4 May, the University community remembers its students and staff who were killed in the Second World War. It also looks at freedom and oppression today. Three questions for Sara Polak, chair of the Hour of Remembrance committee.

‘That hornets’ nest in Leiden must be destroyed,’ said Dutch National Socialist Party member Robert van Genechten in November 1942. He was referring to Leiden University. Why this hatred? Emeritus Professor of University History Willem Otterspeer has written a book about Leiden University during the…

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?

Courts that adjudicate war crimes or other crimes against humanity are increasingly taking regional norms and cultural values into consideration. PhD candidate Seun Bakare examined whether this could also be an asset in cooperation with the International Criminal Court (ICC).

Sandy Overgaauw has been awarded a 25,000 euro grant from the LUF for her research into PTSD in Syrian refugee children in the Netherlands. The research should lead to a screening method that can be used to determine which children are at higher risk of developing posttraumatic stress disorder (PTSD…

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

The Department of Civil Law is responsible for education and research in the field of civil law. We teach the master’s degree programme Civiel Recht (Civil Law LL.M.), attracting many students each year from Leiden and elsewhere.

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

The gripping story of a collective passion for freedom that shook the world.

In her capacity as a lawyer and expert in International Humanitarian Law and Human Rights, Professor Helen Duffy is filing a lawsuit against the Dutch State. Leiden University’s weekly newspaper Mare reports that through her role, Duffy is assisting a Palestinian Dutchman whose family was killed in…

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

Van Vark defended her dissertation 'Separation and immersion: the changing role of the armed forces in Northwestern liberal democracies’ on 17 October 2025. The doctoral research was supervised by Maartje van der Woude and Erwin Muller.

On 24 November a High-Level panel discussion on the occasion of the signing ceremony of the memorandum of understanding between the NATO Civil-Military Cooperation Centre of Excellence and the Institute of Security and Global Affairs and the Faculty of Governance and Global Affairs took place at Campus…

The Research Training Group “Byzantium and the Euro-Mediterranean Cultures of War” invites scholars to submit paper proposals for a series of sessions on “Perceptions of Just War in the Middle Ages” at the IMC 2025. These sessions aim to explore the diverse theological, philosophical, legal, and cultural…

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 war in Ukraine is entering a new phase with the announcement of a partial Russian military mobilisation and the intention to annex four Ukrainian regions. Why is Putin making these decisions just now and what consequences will they have for the course of the war? We talk to professor and Russia…

As a student, Thijs Brocades Zaalberg was primarily interested in diplomacy surrounding conflicts. Through research on peace operations and subsequently the fight against guerrillas, he became increasingly involved with the most violent aspects of colonial warfare. Per 1 September 2024 he is appointed…

During the Dutch famine of 1944–45, people were much more creative in finding food than we thought. Biology student Tom Vorstenbosch discovered that people did not only eat flower bulbs at that time, but also radish leaves and wild plants such as sorrel and chickweed.