Leiden researchers have found clues to why a rare pregnancy disorder is mild in some babies but life-threatening in others. Their discovery opens the door to a test that could identify severe cases during pregnancy. Fortunately, a treatment already exists.

Professor Beatrice de Graaf held the 53rd Huizinga Lecture on Thursday 12 December. In front of a a sold-out Stadsgehoorzaal, she spoke about how history can be used in times of crisis to give meaning to the situation.

How can we make clever use of new technologies to improve quality of life in cities? The answer is in the NL Smart City Strategy, which Mark Rutte officially received on January 25th. Three professors from Leiden University - Carolien Rieffe, Joost Kok and Wessel Kraaij - gave advice.

The illicit trade in stolen cultural property is booming. Countless works of art and antiquities will be lost if we don’t do more to stop this. This is what experts warned at a Leiden Global congress at the National Museum of Antiquities.

With the passing of Henk Jan de Jonge on 16 April 2022, Leiden University has lost one of its most characteristic, learned and devoted professors.

In 1960, not one but 17 African countries became independent. Sixty years later the African Studies Centre Leiden (ASCL) is offering a wide programme to mark this celebration. African Studies itself proved to be a topic of conversation at the kick-off conference on 30 January.

Researchers Karène Sanchez and Sary Zananiri tell us about their research project CrossRoads, which investigates Christian communities during British Mandate Palestine (1918-1948) through cultural and linguistic lenses. The project was awarded a VIDI grant by NWO in 2017.

The effects on local government of the financial crisis that began in 2007 are still largely unknown. As a case study, Jan Porth conducted statistical analyses of the implications for Dutch municipal finances. The crisis became most apparent in the sale of municipal land to private companies and households.…

Following the news that TomTom is cutting 300 jobs due to the use of artificial intelligence (AI), FGGA researchers Friso Selten and Alex Ingrams responded with opinion pieces. They place the news in a broader context and call for a more nuanced debate on AI and job losses.

To underline the urgency: Our faculty faces a significant financial challenge. With a structural reduction of €5 to €6 million in annual income, dark clouds are gathering on the horizon. Added to this are the uncertain consequences of budget cuts from The Hague, including the Balanced Internationalisation…

On 15 May, the ambassadors of 11 Latin American and Caribbean countries were shown the highlights of research at Leiden University Faculty of Science. Furthermore, Prince Carlos de Bourbon de Parme awarded prizes to two young academics who conduct research in Latin America.

It was a unique meeting at the Academy Building on 10 April. Around 200 local entrepreneurs came to a networking event hosted by Leiden City Centre Management and Leiden University.

On Thursday 16 November, Dirk Broekhuijsen will defend his doctoral thesis entitled ‘A multilateral tax treaty: designing an instrument to modernise international tax law’. The defence will take place at 15.00 hrs at the Academy Building of Leiden University. The supervisors are Professor F.A. Engelen…

From the discovery of exoplanets to the hunt for extraterrestrial life. At the Astronomy Gala on 17 December in the concert hall in Leiden, astronomers looked back, but above all ahead. With King Willem-Alexander as guest of honour.

On 29 August 2025, the Advanced Studies in International Children’s Rights programme celebrated its 10th anniversary with alumni, partners, and friends, marking the milestone with reflection, dialogue, and the launch of a new Education Fund.

Presenting a well-thought-out idea to Schiphol experts, a former ambassador or a security expert. For the third-year Security Studies bachelor students, this was a unique experience and a great opportunity last week. 'Who knows, maybe they can work for us in the future!'

On 10 December, the Intelligence and Security Research Group of ISGA had the honour of hosting Vice Admiral Peter Reesink for the inaugural Arthur Docters van Leeuwen Lecture.

This month marks the two-hundredth anniversary of the deciphering of Egyptian hieroglyphic writing. NINO, the Language Museum, Things that Talk and the National Museum of Antiquities are seizing the opportunity to organise the first Week of Ancient Writing.

Bringing your drug candidates to patients is what many academic chemists dream about, but the road to this goal is long and bumpy. Now, Leiden small molecule nizubaglustat is ready for phase 3 clinical trials. This is thanks to a €132 million funding secured by the biotech spin-out Azafaros.

For the past year, Anne Wellink represented students' interests on the Faculty Board. As of September, Nova Verkerk will take over. In this interview, the two of them look back and ahead to the future.

Between 18 and 29 March 2024, a group of 28 civil servants and policymakers from pre-accession countries participated in the Matra Rule of Law Training Programme on the Management of Borders. This event was organised and hosted by Leiden University at its campuses in Leiden and The Hague.

To celebrate its 5th anniversary as an independent non-profit think tank, the Conference on European Restructuring and Insolvency Law (CERIL) held its first lustrum with a conference on Thursday 20 and Friday 21 April 2023. The conference discussed the European Commission’s long-expected legislative…

Discovering while still studying whether work in science might be for you. That is what students get during the faculty Research Traineeship Programme. On Friday 1 September, they presented their results to each other and their supervisors.

On Friday 9 July 2021 the graduation of the two-year Advanced MSc International Relations and Diplomacy (MIRD) programme took place in the Academy Building in Leiden. The ceremony was opened by Professor Madeleine Hosli.

Jan Melissen is a Senior Fellow at the Institute of Security and Global Affairs of Leiden University, and Professor of Diplomacy at the University of Antwerp (Belgium). As of 1 March he transferred from the Clingendael Institute to Leiden University. We asked some questions about himself, his job and…

A consortium led by Leiden University has been awarded 6.75 million euros to research traumascapes: physical places associated with collective trauma and loss. The research team aims to make these places more visible, accessible and inclusive.

On 8 and 9 May 2018 the Workshop 'Challenging the Liberal World Order: The History of the Global South, Decolonization and the United Nations, 1955-2000' takes place at Leiden University.

The image of the European Union (EU) as a remote law-making machine is widespread. Quite often journalists and politicians deliberately depict ‘Brussels’ as bureaucratic, even undemocratic, bypassing its citizens. And many of us buy into that image. Nikoleta Yordanova, Anastasia Ershova and Aleksandra…

On Monday 6 February, 2017 it is exactly ten years since the FSW Master Thesis Lab was set up. And the Faculty is proud and delighted to mark the anniversary of this special facility for master’s students.

The 10th edition of the World Congress of African Linguists (WOCAL), hosted by Leiden University, will be held online from 7 – 12 June. Leiden University Centre for Linguistics (LUCL) researchers give us an insight into how important and special this event actually is.

Friday 4 November marked the 65th anniversary of the founding of Leiden’s P.C. Hooft Historical Debating Society. Although new members have not been accepted for several decades, the society is still alive and kicking. A retrospective with former presidents Jos Hooghuis and Saskia Leupen.

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

The team from Universidad de los Andes (Bogotá, Colombia) came out on top at the international online Moot Court organised by Leiden University and law firm Baker McKenzie.

Are international courts effective? Dr Fatou Bensouda, a former Lead Prosecutor of the International Criminal Court in The Hague (ICC), will discuss this issue during her lecture at the Owada Symposium 2025. The ICC’s efficacy depends on the actions of its member states, she says.

Spui Campus, Leiden University’s fourth location in The Hague, will soon open its doors. The former V&D department store’s transformation into a university campus is becoming more visible by the week. Removal vans will soon be driving back and forth to move all the furniture there in time. The first…

Willem te Beest, Vice-Chairman of the Executive Board, is retiring on 1 May. His farewell was celebrated in style in the Pieterskerk on 7 April. And, to his surprise, the celebrations included a royal decoration.

Honduras recently severed diplomatic ties with Taiwan after 82 years. In doing so, the country is following the trend of other Central American countries that have turned their backs on the Asian island in recent years. Why are these countries making this choice now and what does it mean for Taiwan's…

For the third year in a row, the bonfires in the Duindorp and Scheveningen neighbourhoods in The Hague during New Year's Eve have been cancelled. According to Professor Henk te Velde, the fight for the bonfires represents something bigger: angry citizens.

Conference

Alumni event

Festival

Lecture, Comparative Indo-European Linguistics (CIEL) Seminars

Over the past year, many of our staff and students have won prizes, been awarded a substantial grant or been appointed to an academic association or a position in public life. All of these are good reasons to include them in our 2018 Hall of Fame. We are proud of them all.

2021 was an eventful year once again for the Faculty of Governance and Global Affairs (FGGA). Hybrid, working from home, online education, on-campus education, face masks, self-tests, keeping distance, quarantine and the coronavirus. Words that have now become a standard part of our vocabulary when…

The climate crisis, the return of TB and the digitisation of cultural heritage. The Netherlands and Indonesia face many of the same challenges. A visit by a delegation from Leiden University to Indonesia at the end of June highlighted the benefits of cooperation.

On Friday, June 28, 2024, emeritus professor Rudy B. Andeweg passed away. His passing marks the loss of an important figure within the field of political science, not only nationally, but internationally. Here we remember an outstanding researcher, inspiring teacher, capable administrator and an involved…

Lecture, CHEI Seminar

Workshop