Professor Frits Kalshoven passed away on 6 September 2017 at the age of 93. Kalshoven was internationally renowned as an expert in the field of international humanitarian law (IHL). From 1970 onwards he was a professor at our law school, where he had also been a student himself and where he was awarded…

On January 17th, Frits Scholten (Rijksmuseum Amsterdam) will give a lecture titled: "Private Devotion & Immersive Play - The Use of 'Spiritual Toys' in the Late Middle Ages." The lecture is part of a Lorentz Center workshop on 'Religious Imagination in the Late Medieval Low Countries' and can also be…

Op dinsdag 14 juni 2022 wordt aan de Universiteit Leiden een symposium georganiseerd ter gelegenheid van het naderende emeritaat van Frits van Oostrom (Universiteit Utrecht). Wie deel wil nemen aan het symposium kan zich tot uiterlijk vrijdag 15 april 2022 opgeven via w.van.anrooij@hum.leidenuniv.nl.…

The Frits Kalshoven International Humanitarian Law Competition, organised by the Netherlands Red Cross and Belgian Red Cross-Flanders, lets students explore the legal framework governing armed conflict. Eight teams from Belgium and the Netherlands competed in the 19th edition (23–27 February 2026) in…

After his PhD defense on 25 September Frits Veerman will go to the University of Oxford to do research at the Centre for Mathematical Biology.

Frits van der Meer and Gerrit Dijkstra of the Institute of Public Administration reflect on the increasing power of political assistants in the magazine “De Hofvijver”.

Every year, the Netherlands and Belgium Red Cross organize the Frits Kalshoven IHL Competition, which brings together students from both Dutch and Belgian universities.

To say that IT projects in the public sector do not always run very smoothly is an understatement. There are more than enough examples, from the IT project for student loans in the '80s, to problems with IT at the tax authorities, the judicial offices and the police in more recent times.

In celebration of the release of his new book on changes in public administration, Prof. dr. Frits van der Meer, professor by special appointment of the CAOP chair: Comparative Public Sector and Civil Service Reform, handed the first copy to Gert-Jan Buitendijk, Secretary General of Ministry of General…

It seems that the Dutch Tax Offices’ Benefit Fraud Scandal has still not come to an end. New skeletons keep falling out of closets which has resulted in a parliamentary inquiry. But is such an inquiry the proper instrument to make sure that no stone is left unturned?

Every year, the Netherlands Red Cross and Belgian Red Cross-Flanders organise the Frits Kalshoven International Humanitarian Law Moot Court Competition. Eight teams from Belgium and the Netherlands participated in the 17th edition of the competition, from 5-7 March 2025 in The Hague. The team from Leiden…

Every year, the Netherlands Red Cross and Belgian Red Cross-Flanders organise the Frits Kalshoven IHL Competition. This competition aims to provide students with an opportunity to practically engage with IHL, the rules that govern the conduct of war, by attending expert lectures and workshops, engaging…

The issues surrounding the crises at the Dutch Tax Authorities and the Dutch Ministries of Justice and Defence had been known internally for considerable time. The information had been duly passed but criticism was largely ignored. Contradiction expressed by civil servants was not appreciated and even…

Leiden Law School is currently housed in two beautifully restored historic buildings located in the old centre of Leiden. We also have facilities for teaching and research at Campus Den Haag.

The Grotius Centre for International Legal Studies continues Leiden University’s long and outstanding tradition in the study and teaching of public international law.

The Leiden University Centre for the Study of Religiewetenschap (LUCSoR) and the Beheerstichting Theologische Fondsen hand out two thesis prices each year, one for the best bachelor thesis en one for the best master thesis. Each of the two prizes comes with a cash prize of € 500.

Combined hormonal contraceptives (CHC) are associated with an increased risk of venous thromboembolism (VTE). In 2013, a review was published by the European Medicines Agency (EMA). In this review, the authors concluded that the risk of VTE varies by the type of progesterone in the CHC. Subsequently,…

On the 22nd of January 2016 the article: 'Drie valkuilen en denkfouten in de drang naar een kleinere overheid' (translation from Dutch: 'Three pitfalls and fallacies in the desire for a smaller government') written by prof. dr. Frits M. van der Meer & Mr. dr. G.S.A. Dijkstra was posted on Mejudice:…

The Advisory Board of Leiden Observatory consists of five eminent scientists with prominent positions in science, industry and society.

On the 18th of November the article: 'Minder overheid, maar wie denkt er na over de lange termijn? (translation from Dutch: 'Less government, but who is thinking long term?') written by prof. dr. Frits M. van der Meer was posted on Mejudice: 'an independent forum for discussions aiming to stimulate…

Of the 113 Spinoza Prizes that have been awarded since 1995, 29 have gone to researchers from Leiden University.

Henk Versnel's work on ancient religion has been seminal. For his 80th birthday, a group of scholars assembled to celebrate and analyze his oeuvre.

This 862-page monograph is a grammar of Thangmi, an endangered Tibeto-Burman language spoken in the districts of Dolakha and Sindhupalcok in central-eastern Nepal.

The Tatiana Afanassjewa-lecture series was a series of public talks in Dutch that was started during the Covid-19 lockdown. The talks were given by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.

This dissertation is a comprehensive description of the Jiăomùzú dialects. These dialects belong to the Tibetan-Birmese language of the rGyalrong spoken in the province Sìchuā, China.

This dissertation presents a grammar of Khwarshi, a Nakh-Daghestanian language.

This dissertation provides an overview of the phonological developments of the Qinghai-Gansu languages, comparing them to the reconstructed ancestral language.

The Greek and Roman History Team concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors.