To what extent did the Netherlands grow rich from the Transatlantic slave trade? In his dissertation 'Walcherse Ketens', Gerhard de Kok looks at Vlissingen and Middelburg, the most important slave trade cities in the Netherlands during the second half of the 18th century. It turns out that, although…

The acquisition and administration of the possessions of the “Teutonic House” in Utrecht, and its dependencies, in the Middle Ages until c.1600.

On 26 April Professor of Experimental Physics Jan van Ruitenbeek was made a Knight in the Order of the Lion of the Netherlands. He received the decoration from mayor Emile Jaensch in Oegstgeest, where he lives. Van Ruitenbeek received the honour for his services to physics.

Emergency services and governments were caught by surprise on Monday 24 June by the nationwide breakdown of the emergency phone number 112. The breakdown raises the following question: ‘Could this not have been prevented’?

How were war heroes and war criminals created, and how do these images relate to the historical context?

On 1 February 2017 there was a hearing in the committee on European affairs of the second chamber of the Dutch Parliament on the issue of

As a result of the refugee crisis and the terrorist attacks in Paris and Brussels, the Royal Netherlands Marechaussee (RNM) is stepping up immigration controls in the Dutch borderlands. These measures are part of the so-called Mobile Security Monitor (in Dutch: Mobiel Toezicht Veiligheid), “Schengen…

On 11 November 2016, The Hague Law Labs and the department of Constitutional and Administrative Law, in collaboration with the Italian Association for European and Comparative Law, will organise ‘The Dutch Constitution Beyond 200: tradition and innovation in a multilevel legal order'.

On 6 April the Netherlands will vote on far-reaching cooperation with Ukraine. Referenda are exceptional in Dutch political history, according to Professor of Electoral Research Joop van Holsteijn.

As a result of the refugee crisis and the terrorist attacks in Paris and Brussels, the Royal Netherlands Marechaussee (RNM) is stepping up immigration controls in the Dutch borderlands. These measures are part of the so-called Mobile Security Monitor (in Dutch: Mobiel Toezicht Veiligheid), “Schengen…

eLaw in collaboration with the TU Delft Design for Values Institute finalized the research on “Artificial Intelligence and Ethics at the Dutch Police” by providing the whitepaper highlighting requirements for the responsible use of AI at the Police and the long-term research strategy.

The local ordering of atoms at the surface of a metallic particle determines its catalytic activity and selectivity. As energy systems of the future will be based on efficient catalytic conversion of small molecules in closed cycles, we study how structural effects of catalysts can be used to our ad…

Italian historiographers in the 16th and 17th centuries wrote remarkably often about the Dutch Revolt, better known as the Eighty Years' War (1568-1648). Their works influenced public opinion both in Italy and in the Netherlands. This is the conclusion reached by historian Cees Reijner in his dissertation.…

On 25 January 2018, at 16:15 hrs, Yannick van den Brink will defend his doctoral thesis titled ‘Voorlopige hechtenis in het Nederlands jeugdstrafrecht’ (‘Pre-trial detention in the Dutch juvenile justice system’) at the Academy Building of Leiden University. The doctoral research is supervised by Professor…

The Dutch Constitution is the second oldest constitution in the world after the US Constitution and it dates back to 1814. Wim Voermans, Professor of Constitutional and Administrative Law and author of the book ‘Our Constitution’ published earlier this year, advocates for a more accessible Constitut…

The Leiden Research Profile Area Political Legitimacy organizes a public symposium on the 12th of May 2016 on the legitimacy and future of the Dutch Senate.

Emeritus professor Victor Halberstadt has been honoured with the Cross of Honour of the Order of the House of Orange.

Luc Verheij, Professor of Constitutional and Administrative Law (Kircheiner chair) at Leiden Law School has been appointed as a member of the 'Raad van State', the Dutch Council of State. Verheij was already a State Councillor at the Advisory Division since 2011. He will continue to fulfill this role…

On Thursday 23 November, Professor Betty de Hart delivered the lecture ‘Exploring the Legal Archive on Race: Methodological Challenges’ as part of the lecture series ‘Reconsidering the Socio-Legal Gaze’ organized by the Van Vollenhoven Institute. Over 40 people attended the lecture, held online due…

Barend Barentsen, Professor of Labour Law, recently spoke at a meeting of experts in Amsterdam on the future of the Dutch incapacity benefit system.

Are you interested in expanding your knowledge on the Dutch crisis management system? Leiden University is organising a unique lecture series on the subject in collaboration with the Netherlands Institute for Public Safety (NIPV). The lectures will take place on 22 April, 13 May, and 3 June.

Can we find new chemical and biological sensing routes on the edge and surface of graphene to improve the potential of graphene to act as a sensor?

A 35-year-old uranium crystal will not disclose its secret: what causes a dramatic phase transition at 17.5 Kelvin? Thanks to a new artificial intelligence approach, half of the possible explanations are excluded, but the definitive answer remains to be found. 'It is very frustrating', says physicist…

How did colonial law work to turn people into property? This project argues that colonial ideas about households and domestic authority were critical to legal processes of enslavement in the early modern Dutch empire. Using colonial court records from Dutch Brazil, Suriname, and the Moluccas, the project…

The main goal of this project is to answer the question: how did Dutch acquire its own, distinctive linguistic characteristics?

Northern Yemen; a highland region often in the news as the center of the Houthi regime, has a political, social, and intellectual history spanning more than a millennium. This exhibition showcases some of the findings of the Early Modern State Development in Yemen project, based at Leiden University,…

'How is the Dutch government tackling the corona crisis?' and 'what are the most important aspects for such approach to succeed?' are questions that Dr. Sanneke Kuipers and Mr.drs. Wouter Jong explore in their article for the Montesquieu Institute.

On Thursday 24 May 2018, Tanja Masson-Zwaan of Leiden University’s International Institute of Air and Space Law and Prof Mahulena Hofmann of the University of Luxembourg had the honour of addressing the King and Queen of the Netherlands and the Grand-Duc and Grand-Duchess of Luxembourg during the State…

An overview of awards and prizes granted to our staff and students in 2022, as well as special appointments at Leiden University and other institutions.

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.

Geert Wilders’ PVV Party believes that Islam is a totalitarian ideology and not a religion, and thus Muslims are not equally entitled to the same freedom of religion or belief as other believers. This view is incompatible with liberal democracy, according to Hans-Martien ten Napel.

In recent months, the Dutch Islamic Haga Lyceum has increasingly come under the suspicion. The school is suspected of spreading a state-threatening version of the Salafist doctrine. This information came from the Dutch Intelligence and Security Service (AIVD).

Of the 150 elected representatives, 24 studied or conducted their PhD research in Leiden. Who are they and which degrees are most popular among these MPs?

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

Professor Roberta D’Alessandro, Chair of Italian Language and Culture at the Leiden University, has been awarded one of Italy’s highest honors: she is now a Knight of the Order of the Star of Italy (Cavaliere dell'Ordine della Stella d'Italia). D’Alessandro was presented with the honor on June 2, the…

On Thursday evening, 7 December, the Centre for Professional Learning (CPL) gave the government's external communication pool a glimpse of what there is to learn about Public Affairs and the scientific research that is being done about it within the Faculty of Governance & Global Affairs.

Back after pandemic interruptions, the Dutch Network Science Society Symposium took place on May 19th, 2022. The event brought together researchers from around The Netherlands studying complex networks and representing various disciplines, including mathematics, physics, neuroscience, computer science,…

The organisers of the big protest march against government policy, held on Sunday in Amsterdam, want to bring preliminary relief proceedings against the refusal to allow British conspiracy theorist David Icke to enter the Netherlands. Icke was due to give a speech at the meeting of the organisation…

How geographical and institutional openness in Dutch Guiana fostered a unique colonial economy. This publication is part of the Early American Places Series.

Leiden astronomer Tim de Zeeuw has been appointed Knight in the Order of the Dutch Lion. He received the distinction on 14 May to mark his departure as Director General of the ESO European Astronomy organisation. The celebration took place during the 2018 Dutch Astronomers Conference in Groningen.

He is said to be one of the greatest living statisticians. Bradley Efron gave a lecture in Marekerk and opened LUXs, the Leiden University Center for Statistical Science, the first university statistics centre in the Netherlands.

At his farewell party on 25 August 2018, Erik-Jan Zürcher, professor and specialist on Turkey, was appointed Knight in the Order of the Dutch Lion. He was presented with the award by Leiden's Deputy Mayor Martine Leewis.

On 21 June, our beloved colleague Joan van der Waals passed away after a long and rewarding life.

Leiden emeritus professor George Miley receives an honorary doctorate from Trinity College Dublin on 8 December. ‘I never dreamed that I would receive an honorary doctorate somewhere, and this is all the more emotional because it's in the city where I spent the first 21 years of my life.’

A new Senate (Eerste Kamer) has been elected in the Netherlands and the current government coalition has lost its majority. The majorities in both the Senate and the House of Representatives (Tweede Kamer) have not been this far apart for quite some time. High time to merge both chambers, argues Wim…

On 25 April the Dutch Review Committee for the Deployment of Powers (in Dutch: TIB) presented its first annual report to the First and Second Chamber of the Dutch government. The TIB informs in the annual report on its findings and activities in the period from 1 May 2018 to 1 April 2019. The report…

Important note: upon careful consideration, we have decided to resume our Dutch language courses.