In exactly 450 days’ time, on 8 February 2025, it is the university’s 450th anniversary. We are going to celebrate this with our students, staff, alumni and friends. In the run-up to the anniversary, we are compiling our top 450: Who or what is your favourite?

SAVE THE DATE | University ceremony

The exhibition Leiden celebrates – 450 years of parades at Museum De Lakenhal shows how parades and society have changed through the centuries. Alumnus and historian Danielle van Goethem worked on the exhibition. She gives a preview.

On the eve of Leiden University’s 450th anniversary, the 1574th and 1575th Honours College students received their honours certificates. In a crowded Scheltema, people celebrated ‘that so many students have had the opportunity to broaden their horizons.’

This year Leiden will be celebrating the 450th Relief of Leiden. Leiden master’s students are researching this history as part of the ‘Traces of 3 October’ project.

The 50th Top 450 entry has now been published. In the run-up to the university’s 450th anniversary, we are compiling our Top 450. What is your favourite?

Lawyer, economist, politician and women’s rights activist Lizzy van Dorp is the 100th entry in our Top 450. Who or what is your favourite?

They have known each other since they were small but Rianne and Tom first fell in love when working together at the university. That love culminated in a fairytale wedding amid all the revelry last 3 October.

Want to find out how to assemble a human skeleton? Do you know what chemistry can be found around you? And are you easily fooled by fake news? Discover this and more at our Science Fair on 3 October.

Students from the Royal Academy of Art The Hague (KABK) designed the 450 lustrum logo.

The Grand Parade was a festive highlight of the 450th anniversary celebration of 3 October. Students and staff members from Leiden University participated with an impressive float.

If you do research on Leidens Ontzet in Leiden, you can count on a lot of interest. But Leiden Kennisstad interns Marieke Nolten and Alexander Nuijten had not expected there would be quite so much interest. They concluded a year of research with the presentation of a scientific paper.

What is freedom worth in times of hunger? ‘Beleg’ is a modern interpretation of Lucretia van Merken’s 1774 play. With five performances in Leiden’s Schouwburg theatre, the play is a prominent part of the Relief of Leiden celebrations, and Leiden alumni are playing a big role. Take a look behind the…

Lara Ummels came from Maastricht to study law in Leiden, and never left. She recently joined the board of the 3 October Association.

After a long night of partying, hundreds of people head to Leiden’s Van der Werfpark early on 3 October for a good singsong. Lecturer in Dutch literature Olga van Marion helped compile the new songbook for the occasion. Which songs were left out and which new hits have taken their place?

Glorious sunshine, dozens of enthusiastic academics and huge numbers of Leiden residents ensured that this year’s special jubilee version of 3 October University was a great success.

Scrap the radical cuts to research and teaching. This was researchers and students’ message to government at the opening of the new academic year. Various speakers in Leiden’s Pieterskerk highlighted the importance of science for society.

Leiden University will be conferring three honorary doctorates in its special anniversary year. They will be awarded to Eliot Higgins, truth finder and founder of Bellingcat, Bonnie Honig, expert in feminist theory and legal theory, and Kelly Chibale, professor of organic chemistry, who works on prevention…

Festival

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.