With his speech in protest against the sacking of his Jewish colleague, Rudolph Cleveringa, Dean of the Faculty of Law, became the foremost symbol for Leiden’s resistance against the Nazis. But there are also other brave professors who should not be forgotten: what are the stories of Ben Telders, Ton…

On Thursday 25 and Friday 26 October 2018, the Europa Institute organized a conference within the framework of ‘Interaction between Legal Systems (ILS): Policing the High Seas’ and in cooperation with four Interest Groups of the European Society of International Law. The event brought together representatives…

Apprentices in the art of debate: that is the best description of the group of secondary-school pupils from Pre-University College who battled it out with each other and European parliamentary candidates on 29 March. The fitting location was Huis van Europa in The Hague.

The conference 'The

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.

A team of Leiden astronomers has managed to calculate the first 100 million years of the history of the Oort cloud in its entirety. Until now, only parts of the history had been studied separately. The cloud, with roughly 100 billion comet-like objects, forms an enormous shell at the edge of our solar…

The postwar Liberal International Order faces grave challenges today mostly in the form of geopolitical competitions among great powers and exclusionary identity politics unfolding across different countries.

The four thousand war victims buried at the Netherlands Field of Honour at Loenen include a number of Leiden students who were in the Resistance. The War Graves Foundation is looking for volunteers to take part in a special event to honour the deceased.

Leiden University is happy to announce that it has won a prestigious Jean Monnet grant for a Centre of Excellence. The Centre, called CompaRe, focusses on comparative regional integration.

On Friday 10 July the Towards Biosolar Cells research programme was granted a budget of 25 million euros by the Dutch Government. The Ministry of Agriculture, Nature and Food Quality recommended the programme because it will contribute to green energy, improve food supplies and a create a more sustainable…

The 2018 King's Speech was a string of statements containing little or no substance. It was obvious that, in an attempt to keep all the coalition parties happy, the speech covered more issues than in 2017. This is confirmed by an analysis of the speech carried out by public administration experts Gerard…

Francesca Albanese, UN Special Rapporteur for human rights in the occupied Palestinian territories, visited Leiden Law School on 8 December within the scope of International Human Rights Day.

An international team including Peter van Bodegom shows how trait variability can be incorporated in Essential Biodiversity Variables to allow monitoring how organisms respond to global change. They published their results in the journal Nature Ecology & Evolution.

The political parties in the running to form a Dutch cabinet are looking into solutions to curb the influx of refugees. The plan is to designate refugee accommodation as a crisis. But is it as simple as that? Mark Klaassen, Assistant Professor in European law, discusses this on Dutch current affairs…

On 11 October 2019, the 5th CML Rev. on Tour conference took place in Paris, at the beautiful Salle des Conseils in Paris 2 Panthéon-Assas University.

Following the fall of the fourth Rutte cabinet, Dutch Minister of Justice and Security Dilan Yesilgöz addressed the Dutch media about the ‘influx’ of family reunification applications by asylum permit holders. In her view, it would put enormous pressure on Dutch society and could jeopardise security.…

Mark Klaassen, Assistant Professor of Immigration Law and member of the Dutch Advisory Council on Migration, explains on Dutch radio programme ‘Met het Oog op Morgen’ why it’s a bad idea to use Denmark as a model country for Dutch asylum policy.

On Thursday 3rd of March 2016 the 14th Norbert Schmelzer, organized annually by the CDA party, took place in the Hague. This year the lecture was given by Commission President Jean-Claude Juncker.

On 9 June 2023, the workshop on ‘Academic Freedom and its Philosophical Underpinnings in EU law’ took place at the Academy Building, Leiden. It was organized in the framework of the Vidi research project The EU fundamental right to ‘freedom of the art and sciences': exploring the limits on the commercialisation…

Following her appointment to the Chair in EU External Economic Law earlier this year, Prof. dr. Freya Baetens addressed the academic community of Leiden University with her inaugural lecture on 27 October 2023. In a highly topical lecture, Prof. Baetens examined the EU’s Anti-Coercion Instrument (AC…

On 27 and 28 April, Simona Demková participated as a panelist at the conference 'A

The International Institute of Air and Space Law was delighted to host the 14th edition of the Leiden-Sarin International Air Law Moot Court Competition – for the first time – in Leiden! After three years of online mooting owing to the pandemic, this year’s competition was held again in person.

With a 'Kiem grant' of up to €10,000, Leiden University stimulates initiatives in research and education where diverse fields of study meet. This interdisciplinary approach helps solve complex issues.

Dr Moritz Jesse, European Institute at Leiden Law School, has been awarded a Jean Monnet Professorship. From November 2023, Moritz will teach bachelor's and master's courses as part of his ‘Migration, Integration, Non-Discrimination in the EU’ project [MIND-EU]. At a later stage, Jesse’s Jean Monnet…

This spring the Netherlands holds the presidency of the European Union. Leiden Europe researchers have taken the opportunity to examine the future of the European Union and where appropriate to give advice. They will present their book on Friday 29 April in Nieuwspoort.

The emergence of 'illiberal democracies' and the protection of human rights in Europe.

On 12 June 2025, Advocate General Ćapeta delivered her Opinion in WS and Others v Frontex, a Grand Chamber case currently pending before the Court of Justice of the European Union. The case concerns a Syrian family that was returned to Turkey in what is arguably a violation of the principle of non-refoulement…

On Monday 22 January 2024, the University of Florence hosted the conference 'Artificial Intelligence, between Ethics and Law'. Organised by the Department of Legal Sciences, the conference brought together leading experts to discuss the rapidly evolving landscape of artificial intelligence (AI) and…

There is no time to lose when it comes to repairing damage to nature. For that reason and to show that the European Commission is neither a ‘bogeyman’ nor an enemy, European Commissioner Frans Timmermans came to the Dutch House of Representatives to talk with Caroline van der Plas, leader of political…

The International Workshop 'Maritime Conflicts and their Resolution in Atlantic Europe (13th-17th Centuries)' takes place at the University of La Laguna, Tenerife (Spain) from 21 to 22 April 2017.

From 11 to 21 June 2019 eleven students took part on the Honours summer course Dilemma’s in het migratierecht (Dilemmas in migration law).

On Monday 10 December, the Polish Commissioner for Human Rights dr. Adam Bodnar delivered the eighth Raymond and Beverly Sackler Distinguished Lecture on Human Rights at Leiden Law School. The event marked the annual celebration of International Human Rights Day, which was proclaimed to commemorate…

The way age is determined by the IND is being questioned as a result of several court rulings. The problem is that it is difficult to determine whether a young asylum seeker is just over or under the age of 18. So far there is no suitable way to determine exactly how old someone is, Mark Klaassen, associate…

This regulation – also known as the AI Act – aims to ensure that AI systems sold and used in the EU are safe and consistent with existing fundamental rights legislation and Union values. AI harvests its factual material on the Internet, but in some cases it can be misleading. This is sufficient reason…

To mark its 75th anniversary, the Netherlands War Graves Foundation is publishing a portrait of a war victim every week this year. On 24 January the drawing of Irawan Soejono, a Leiden student and Indonesian resistance member, was unveiled at the Groenesteeg cemetery in Leiden, the place where Soejono…

Researchers have used AI to reconstruct the rules of a board game carved into a stone found in the Dutch city of Heerlen. The team concludes that this type of game was played several centuries earlier than previously assumed.