On 8 February 2024 Leiden University celebrated its 449th anniversary.

This critical edition covers the first two parts of De secundis intentionibus by Hervaeus Natalis (14th century).

On 7 February 2025 Leiden University celebrated its 450th anniversary.

The theme of our 450th anniversary, and of this Dies Natalis, is Ahead of the Times. We have, after all, been directing our gaze to the future for centuries now.

Leiden University celebrated its 445th foundation day on 7 February 2020.

On 8 February 2022 Leiden University celebrated its 447th anniversary.

Leiden University celebrated its 442nd foundation day on 8 February 2017.

On 8 February 2023 Leiden Unversity celebrates its 448th foundation day.

Leiden University celebrated its 443th foundation day on 8 February 2018.

On 8 February 2021 Leiden University celebrated its 446th anniversary.

Leiden University celebrated its 444th foundation day on 8 February 2019.

Pieterskerk and Leiden University are closely connected. The University was founded in Pieterskerk and to this day we celebrate that at the University’s annual Dies Natalis. Much has to be done to get the church ready for this special day. A photo series behind the scenes.

On the 442nd anniversary of the foundation of Leiden University, and at the start of the Leiden Asia Year, lawyer Jan Michiel Otto, an expert in the field of law in developing countries, delivered the first Dies lecture. He compared demagogues in Asia who call upon Muslims to turn against their governments…

On February 8 the 443rd dies natalis will take place in the Pieterskerk in Leiden.

‘Collaboration is increasingly important,’ Rector Magnificus Carel Stolker said at the 445th Dies Natalis of Leiden University on 7 February. But, as he heard from a number of Leiden researchers, this is contingent upon a firm disciplinary basis. A novelty of this year’s celebration was a joint dies…

How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.

Her Royal Highness Princess Beatrix of the Netherlands will attend the Dies Natalis ceremony at Leiden's Pieterskerk on Friday 7 February to celebrate our 450th anniversary.

On 8 February, GTGC's Chair prof.dr. Jan Aart Scholte, gave a speech during the high-level dinner of the university's 449th Dies Natalis. The speech was themed around 'including the other' in research and focussed on the value of inviting and engaging with perspectives different than your own.

Universities cannot survive in this highly competitive world without collaboration. And the ultimate aim is to make the world a safer and more sustainable place. This was Rector Carel Stolker’s message during the 441st Dies Natalis.

In 2024, many of our students and staff won great prizes and secured important research grants.

Leiden University College The Hague turns 7 today (29 September 2017). Lieke Schreel, educational director of LUC has been with the college from the start. She shares her thoughts on another year and birthday of the College.

Workshops, tours, talks, music, an AI photobooth, interviews, a special poem and the launch of the LUF Children’s Fund. Alumni celebrated their alma mater’s 450th birthday in style on Saturday at the massively oversubscribed Dies Natalis Festival.

The student weekly diary of Archaeology/Egyptology students, 2024.

‘Collaboration is increasingly important,’ Rector Magnificus Carel Stolker said at the 445th Dies Natalis of Leiden University on 7 February. But, as he heard from a number of Leiden researchers, this is contingent upon a firm disciplinary basis. A novelty of this year’s celebration was a joint dies…

The importance of science communication and cross-boundary collaboration, and the ‘mantra’ of diminishing social cohesion in society: these all came up at Leiden University’s 448th Dies Natalis. A panel discussion including Leiden’s mayor Lenferink, music and two honorary doctorates completed the special…

An extra-long cortège, three honorary doctorates, a quiz about 450 years of university history, a Dies Natalis rap and a call to defend academic freedom: these all featured in Leiden University’s 450th Dies Natalis celebration and the official start of its jubilee year.

Watch the recordings of the GTGC Conference 2024 here.

On September 29th LUC celebrated its 6th birthday. Lieke Schreel, the Educational Director of LUC has been involved with the programme from the start. She reflects on the growth and the development of LUC in those six years.

We are delighted to announce that Speech Prosody 2024 will be held in Leiden, The Netherlands (02–05 July 2024). The conference aims to showcase the facets of prosodic variation and their role in the production, comprehension, and acquisition of speech in order to obtain a better understanding of the…

The last decades it is increasingly recognized that acute as well as chronic postoperative pain is an important problem. Treatment and prevention of postoperative pain is a challenge, especially in special patient populations where there is only limited guidance on how to optimally use opioids.

Of course, you are more than just a number. However, as betas, we do love them quite a bit. On this page, you will find the facts and figures about our employees and students.

What did we do over the past year? Well, we played quantum games, helped develop an instrument for the Extremely Large Telescope and started a new bachelor's programme. Oh, yeah, and we officially opened our brand new Gorlaeus Building! Warm up the fingers and get ready to click and scroll through…

University ceremony

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

Historian Frank Dikötter will receive an honorary doctorate from Leiden University for his work on the history of the Chinese Republican period and the People's Republic of China under Mao. He will be awarded the honorary degree during the university's Dies Natalis celebrations on 8 February 2017.

On 3 and 4 June 2024, GTGC acted as the host for the Eighth GIG-ARTS Conference. This edition had the theme ‘Thirty Years of Multistakeholderism in Internet Governance: Assessments and Prospects'.

On this page you will find an overview of awards and prizes granted to our staff and students in 2024, as well as special appointments at Leiden University and other institutions.

On this page you will find more information about the selected projects of the Justice, Equity, Diversity and Inclusion (JEDI) Fund for 2024.

No procession of professors, just a handful of people in the church and snowdrifts outside Leiden’s Pieterskerk: 8 February 2021 was no ordinary Dies Natalis. Carel Stolker transferred the rectorate to Hester Bijl, and Annetje Ottow became the new President of the Executive Board. With an honorary doctorate…

The fourth ENPAIR conference will take place in The Hague, The Netherlands, at the Leiden University campus. We will meet there and find us in the middle of The Hague, international city of peace and justice, within walking distance from restaurants, bars, cafés, museums, and cultural institutions.

Underneath you will find more information on how the university works.

LUCL has published its Self-Assessment report based on the Strategic Evaluation Protocal (SEP). The Self-Assessment covers the years 2018 - 2023.

We’re looking forward to welcoming you on the Joint Research Day 2024 (JRD24) on Friday 22 November at the Royal Academy of Art (KABK) and Royal Conservatoire (KC) in The Hague, in collaboration with the Academy of Creative and Performing Arts (ACPA) of Leiden University.

The opening of the Academic Year 2024-2025 took place on Monday 2 September 2024 in the Pieterskerk church.