This page provides information about what to do if you suspect a fellow Leiden University student or staff member of violating the principles of academic integrity.

The academic year officially commences on 1 September and ends on 31 August. Take a look how the year is organised and on which days the university is closed.

You are a part of our academic community. Here at Leiden University, we pride ourselves on our motto Praesidium Libertatis – bastion of freedom – and cherish the tradition of academic freedom.

The academic year officially commences on 1 September and ends on 31 August. On national holidays and compulsory closure dates, the university is closed and no lectures take place.

Find out how to access your personal timetable, the dates of the academic year, and when Leiden University is closed for public holidays.

The people who lived in Saqqara, City of the Dead in Egypt, died thousands of years ago, but they are not all that different from us. This is what a study by the National Museum of Antiquities in Leiden, The Netherlands concludes. If you wanted to prove that you had good taste in ancient Egypt then…

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

It was long thought that the early development of Japanese children's books served mainly as a propaganda tool of the state: the literature was supposed to have been written to shape children into perfect citizens. PhD student Aafke van Ewijk nuances this image. Children's book writers wanted to have…

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.

Sex and power are closely linked, and this was certainly true in the former Dutch colonies. PhD student Sophie Rose investigated how sexual and love relationships influenced eighteenth-century power structures there. 'You can see that there was constant fighting over who stood where in the social hi…

The decolonisation war in Indonesia was violent partly because the Dutch military operated on the conviction that ‘an uprising had to be forcibly suppressed.’ This what historian Christiaan Harinck from the KITLV discovered in his PhD research.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

As a result of the current corona measures, attendance at the Opening of the Academic Year on 6 September will be restricted to a maximum of 75 persons. The ceremony can, however, be viewed online by taking part in a video wall.

The war between Ukraine and Russia is playing out not just on the battlefield but also on the geopolitical playing field of gas. Conflicts at the start of this century about this energy source were, says PhD candidate Ilia Barboutev, a precursor to today’s war.

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

Historian Eric Storm discusses how nationalism shapes our world in Princeton’s UP Ideas podcast.

The stadtholder’s court in the Republic of the Seven United Netherlands has long been underestimated. Real courts and the associated court culture were to be found elsewhere in Europe. PhD candidate Quinten Somsen is trying to reverse this image. ‘The stadtholder’s court was actually very lively.’

Between November 2022 and December 2023, 45 one-off and 14 structural security measures were taken for academics or university staff. This is what it says in the External Intimidation, Hatred and Threats against Academics Monitor published by the Universities of the Netherlands (UNL), the Dutch Research…

What does academic freedom mean? And how do we give shape to it in Leiden? The Academic Freedom Core Team considered these questions and presented its final report on 17 June.