From 23 to 24 February 2023, the Conference ‘The Future of the European Security Architecture: The CJEU’s decision on Passenger Name Records and beyond’ took place at the KNAW in Amsterdam.

In het onderzoek van docent Martijn Nouwen wordt voor het eerst aan het grote publiek blootgelegd hoe de ‘geheime’ Europese Gedragscodegroep er niet in is geslaagd om verschillende vormen van schadelijke belastingconcurrentie uit te bannen.

Organisation

Lecture, European Union Seminar

From 16 to 20 June 2025, the Institute of Security and Global Affairs of Leiden University hosted the annual Summer School The European Union, the United Nations and Global Governance in The Hague. The programme brought together recent graduates, PhD students, and young professionals from a variety…

The end of the year often means looking back with lists, overviews and stories. This combines nicely in a list of all the books published this year by various political scientists at Leiden University. Indeed, in terms of books, these scholars have certainly not been idle. A unique collection of stories,…

Ontwikkelingshulp- en migratiedeskundigen zien dat er lessen zijn geleerd in het nieuwe regeerakkoord op het gebied van asielbeleid. Maar aan veel toezeggingen kleven cynische voorwaarden.

Lecture, European Union Seminar

On Friday 24 June 2022, the Department of Constitutional and Administrative Law of Leiden University welcomed more than forty administrative law scholars to the first Young Administrative Law Researchers Day.

Lars Brummel explains in The Conversation that Rutte is a good candidate to counter threats to NATO's cohesion.

At a recent meeting, the leaders of the European Union formally approved Ukraine and Moldova’s candidate status to join the bloc. The message is: you are welcome to join our European family in due course.

Psychologist Ellen de Bruijn studies the effects of hormonal fluctuations on behaviour and on the brain over a woman's life course. With an ERC Consolidator grant, she and 3 PhDs and a postdoc will further her EEG research on the different stages at which girls and women experience strong hormonal f…

In the ‘Leiden Declaration’, an international group of researchers warns that AI is putting fundamental values of the discipline under threat. The rise of AI is forcing mathematics to rethink what makes their field reliable and valuable. This is their proposed way forward.

Recently, Hans-Martien ten Napel was in the news on the above subject several times.

The rise of authoritarianism, the strengthening of the radical right, and the role of the EU in defending democracy—these are just a few of the issues causing concern today. Is the EU capable of defending democratic values within the Union and beyond its borders? In an interview from the Lithuanian…

Over the past few years, citizen scientists from the Heritage Quest project have scoured the entire Veluwe and Utrechtse Heuvelrug areas for unknown archaeological heritage. One of the results of this research is that the number of known burial mounds in this area has doubled.

On Sunday, November 9 2025, Prof. dr. Sarah Cramsey presented a film at the “Eastern Neighbors” Film Festival in The Hague.

Festival

Lecture

In the confrontational ‘House of Misconceptions’, visitors put themselves in another person’s shoes and have to justify their existence. The performance is the result of a unique collaboration between the Liquid Society art collective and Professor of Law and Society Maartje van der Woude and her st…

On 2 June 2023, the Liber Amicorum – 'The EU and the WTO: Ever the Twain Shall Meet' – in honour of Marco Bronckers will be officially launched at Leiden Law School. To mark this special occasion, an interactive discussion on 'Five future challenges facing the EU and the WTO in the next 50 years' will…

Wednesday 23 of February the NESA Netherlands School of Anthropology) has been officially launched with the first Masterclass by Prof. Dr. Marja Spierenburg (Leiden University) and Dr. Anke Tonnaer (Radboud University). The NESA is a graduate program for PhD candidates of the five Dutch universities…

Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

Der Spiegel reports about the planned reform of the EU Code of Conduct aimed at tackling harmful tax practices of EU Member States. A reform is urgently needed to tackle remaining forms of tax competition, which cost EU countries billons of euros every year.

Conference

As a teacher, you are usually the first point of contact for your students, and you will sometimes receive questions or requests that you cannot help them with yourself. On this page, you’ll find an overview of the parts of the organization to which you can refer your students, depending on their qu…