Leiden University and Stadslab Leiden invite you to improve the Leiden and The Hague environment with 450 extra trees – a living reminder of 450 years since the Relief of Leiden and the foundation of Leiden University.

Leiden is proud to announce that the city has been selected to host the 33rd Annual Meeting of the European Association of Archaeologists (EAA), scheduled for 25-28 August 2027.

As a Leiden University’s master’s student in Political Science you conduct independent research and report your findings to fellow academics and, who knows, to a larger audience. Your thesis is a showcase of your academic skills and personal interest, and perhaps even passion. Easier said than done,…

The many thousands of small celestial bodies beyond Neptune’s orbit may have ended up there due to a star that passed close to the solar system billions of years ago. This is shown by Leiden simulation expert Simon Portegies Zwart, along with his German and Dutch colleagues. ‘We are answering several…

By making use of artificial tax arrangements via the Netherlands and other countries, corporations and wealthy individuals worldwide together manage to avoid paying $472 billion in tax.

Welcome to Leiden University

Welcome to Leiden University

Education, Research

Education

Education, Research

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Sandra Palmen studied tax law at Leiden University and built a career within central government, currently as State Secretary. She was one of the first to raise the alarm about the child benefits affair and is now righting the wrongs.

Two Second Prizes, two First Prizes and even a Grand Grand First Prize. Five Leiden mathematics students and their team leader have performed exceptionally well during the International Mathematics Competition for University Students 2024 in Bulgaria in early August. This even made for a Dutch recor…

The Municipality of Oss is a household name in the world of Dutch archaeology. For fifty years, Leiden archaeologists, in collaboration with residents of Oss, have been uncovering the history of the municipality. 2024 is the archaeological year of Oss! In a series of interviews we look back on fifty…

To look for atmospheres around planets outside our solar system is to look for extraterrestrial life. Astronomist Sebastian Zieba used data from the James Webb Space Telescope to study small rocky exoplanets but found no aliens yet. However, his findings are still very interesting for future observations.…

‘Take science communication more seriously.’ This is the message that Ivo van Vulpen, professor by special appointment in Science Communication in Physics, wants to convey during his inaugural lecture. At the moment, a lot of researchers look down their noses at this while it is extremely important…

Engineering, law, and business students came together in the LDE Space & Society Honours Programme to explore how space and society can mutually benefit each other. At the final event, they looked back upon a steep learning curve. ‘We tossed them into the water and they had to swim.’

After completing one bachelor’s and two master’s programmes at Leiden University, alumnus in Philosophical Perspectives on Politics and the Economy Matthieu Agustoni finished his student life with a bang: he got his master's thesis published in a prestigious journal.

Stephan Raaijmakers has been Professor of Communicative AI since 1 May. Prior to this, he had held this position for five years as professor by special appointment. How has his approach to AI changed in that time?

Lecture, Research Seminar

Lecture

Lecture

Lecture

The Leiden University Student Platform (LUS) is a student-led ‘think-tank’. It consists of eight members: one representative from each of the seven faculties plus one chair.

Even as a teenager Asa Splinter was determined to study Japanese in Leiden. A HAVO diploma and a change in legislation threatened to throw a spanner in the works, but Asa persevered. After ten years of studying, Asa obtained a master’s degree in Japanese and was nominated for the IHLIA thesis award…

The role of the Board of Examiners is to ensure that study programmes adhere to their Course and Examination Regulations. The Board of Examiners oversees all tests and examinations within the institute and determines whether students have acquired the knowledge and skills required for the awarding of…

Alumni and researchers met at two well-attended alumni dinners in Yogyakarta and Jakarta. The alumni reminisced about their time in Leiden and got to see their lecturers once again.

Dutch troops, judges and politicians collectively condoned and concealed the systematic use of extreme violence during the Indonesian War of Independence. Historians have now shown how this could happen. ‘It was scandal management rather than prevention,’ says Leiden historian and research leader Gert…

Study information

On Thursday afternoon, 15 May 2025, the festive presentation of the Gratama Science Award took place at the historic Academy Building in Leiden. In front of an attentive audience, Katharina Natter, Assistant Professor at the Institute of Political Science, received the award for her groundbreaking research…

High-quality education, research involving multiple faculties, collaboration between universities and central government funding to make all this possible: these were the topics covered in a working visit of the Standing Committee for Education, Culture and Science (OCW) to the Association of Universities…

Academics regularly face threats, intimidation and abuse. The Universities of the Netherlands (UNL), the Dutch Research Council (NWO) and the Royal Netherlands Academy of Arts and Sciences (KNAW) therefore launched the WetenschapVeilig platform on 7 November 2022.

Lecture, Research Seminar Medieval and Early Modern History

Small, remote islands were long thought to have been the last frontiers of pristine natural systems. Humans are not thought to have been able to reach or inhabit these environments prior to the dawn of agriculture, and the technological shift that accompanied this transition. A paper recently published…

She stands out for the moderate tone she takes in discussions on Dutch talk shows. Without judgement you can have an open conversation, criminal lawyer Natacha Harlequin learned in her student days in Leiden. ‘What I personally think of the alleged act doesn’t matter so much.’

People in the Early Bonze Age used bronze artefacts as a means of payment. This is the conclusion reached by archaeologists Maikel Kuijpers and Catalin Popa in a PLOS ONE article published on 20 January. The discovery led to a surge of media reports.

A major new study of ancient DNA has traced the movement of people into southern Britain during the Bronze Age. In the largest such analysis published to date, scientists examined the DNA of nearly 800 ancient individuals. Publication in Nature on December 22, 2021.

Annetje Ottow is the first female president of the Executive Board of Leiden University, which means a return to her Alma mater.

The Corstens Commission that investigated whether there are any grounds for the rumours of antisemitism at the Faculty of Law has found no indication whatsoever for such expressions. This also applies to the professor in question. This is evident from the report that the commission chaired by Professor…

Humans perceive the world through different senses: we see, feel, hear, taste and smell. The different senses with which we perceive are multiple channels of information, also known as multimodal. Does this mean that what we perceive can be seen as multimedia?

After many years of preparations, CERN has approved a groundbreaking new experiment: the Search for Hidden Particles (SHiP). Physicist Alexey Boyarsky was involved from the start. ‘We know there is physics that’s missing and we aim to find it.’

You speak Japanese, know everything about medieval art or understand exactly what Hegel meant. And then you graduate. Many Humanities students find it hard to enter the labour market. A relevant part-time job can help. Therefore, the faculty has been working together with the employment agency Randstad…

Study abroad: when?

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

Lecture

Exhibition

Exhibition

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

Saturday's Study Abroad fair in Leiden is the ideal place to gather information about going abroad during your studies, or being an international student at Leiden University. And enjoy it all with a free cup of coffee or tea, and maybe even a delicious slice of pizza.