During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

Leiden Law School is celebrating its 450th anniversary and we have lots of special events planned to showcase what our faculty has to offer. For example, a series of ‘450-talks’ to be held at a unique location in the KOG.

An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.

By looking at what is different, researchers often discover the special, the unusual. And that has already brought a wealth of highlights – also in Leiden.

On NPO radio programme 1op1 about nuclear weapons negotiations, Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Affairs at the Institute of Security and Global Affairs, says that ‘all nuclear treaties must be scrutinised afresh.’

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.

In the future, computers will be able to base their decisions on intuition. Professor Jaap van den Herik, director of the Leiden Centre of Data Science, posed this statement today in his Valedictory Address at Tilburg University.

Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Affairs at the Institute of Security and Global Affairs, says we must block and expel Putin wherever possible.

Charlotte Parree won the Jaap Doek Children's Rights Thesis Prize on Tuesday afternoon, 6 December, with her thesis entitled 'Suffering knows no age; active termination of life does.' The prize was awarded for the tenth time by em. prof. Jaap Doek.

Jaap van den Herik was appointed Officer in the Order of Orange Nassau on 8 October on his retirement as professor of Law and Information Technology.

Professor Jaap Dubbeldam passed away on the 19th of November at his home in Leiderdorp.

The paper Genetic Algoriths for Evolving Computer Chess Programs by Omid E. David, Jaap van den Herik, Moshe Koppel, Nathan S. Netanyahu has won the Humies Award 2014 (human-competitive results produced by genetic and evolutionary computation).

As of January 2017, LCDS-director Jaap van den Herik has been appointed member of the Advisory Board of WODC.

On 22 June 2018, Prime Minister Rutte announced that Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Practices at the Institute of Security and Global Affairs (ISGA), together with former ministers Sybilla Dekker and Winnie Sorgdrager, will become Minister of State.

Recently, Jaap van den Herik, professor emeritus Law and IT, was interviewed by the BNVKI (Benelux Association for Artificial Intelligence).

On 14 December 2017 Charlotte Mol was awarded the fifth Jaap Doek Child Law Thesis Prize for her thesis: ‘The Child's Right to Representation of Article 12 UNCRC in Family Law Proceedings: A comparison and evaluation of the legal frameworks in Australia, France, the Netherlands and South Africa’. This…

On June 27th, eLaw PhD candidate Mr. Daniel Dimov successfully defended his PhD thesis. This was not only a very special event for the candidate, but also for one of his supervisors, prof. dr. Jaap van den Herik, professor of computer science and law at both the Faculty of Law (at eLaw, the Centre for…

Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Practice at the Institute of Security and Global Affairs (ISGA), was interviewed by the NRC on 6 February about the government's warning words.

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.

The department of Child Law of Leiden University and Defence for Children invite you to the eighth Jaap Doek Children’s Rights Thesis Award ceremony. The ceremony will take place online, on Thursday 10 December from 15.30 until 17.00h.

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

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

The Jaap Doek Children’s rights thesis award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of the Leiden Law School. This year the thesis award will be presented for the fourth time.

The Jaap Doek Children’s rights thesis award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of the Leiden Law School. This year the thesis award will be presented for the fifth time.

The Jaap Doek Children’s rights thesis award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of the Leiden Law School.

The Jaap Doek Children’s rights thesis award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of the Leiden Law School.

Can a computer give just as good a judgment as a judge? Professor emeritus Law and IT believes it can and talks about using computers in the courtroom in a podcast of the Universiteit van Vlaanderen.

Jaap de Hoop Scheffer, Professor International Relations and Diplomatic Practice at the Institute of Security and Global Affairs at Leiden University spoke to Belgian (Flemish) news magazine Knack about the position of Europe in relation to the United States and China. ‘Europe has to be careful to avoid…

Each year, the Jaap Doek Children’s Rights Thesis Award is presented to the student who has written the best master’s thesis in the Netherlands or Belgium in the field of children’s rights. The award was established by Defence for Children and Leiden University's Department of Child Law.

On the 6th of December, Céril van Leeuwen has won the Jaap Doek Children’s rights thesis award for her thesis ‘The right to be heard restricted: is this desirable in the civil law proceedings?’ This award, for the best master thesis in the area of Children’s Rights, is annually granted by Defence for…

Matheus Mendes was awarded the 12th Jaap Doek Thesis Prize at a ceremony on 13 December 2024 for his thesis on the right to read. The prize honours outstanding master’s theses in children’s rights.

On 10 December Walter Burkard won the Jaap Doek Children’s Rights Thesis Award 2020 for his thesis on climate change and children’s rights.

During the official opening of the 2018-2019 Academic Year on Monday 3 September, Jaap de Hoop Scheffer will talk about Europe and the future of our continent in a turbulent and unpredictable world. He will do this in the form of a lecture and a discussion with Imane Maghrani, an alumna of World Politics…

The Child Law Department of Leiden University and Defence for Children kindly invites you to the fourth Jaap Doek Children’s Rights Thesis Award Ceremony and the official launch of the book ‘The United Nations Convention on the Rights of the Child. Taking Stock after 25 Years and Looking Ahead’ (Brill…

On 13 December Marit Buddenbaum won the Jaap Doek Children’s Rights Thesis Prize for her thesis on the right of the child to contact with brothers and sisters. The prize for the best master’s thesis in the field of children’s rights is awarded each year by Defence for Children together with the Department…

The Department of Child Law of Leiden University and Defence for Children invite you to the ninth Jaap Doek Children’s Rights Thesis Award ceremony, which will take place online, on Tuesday 7 December from 15.30 onwards (in English).

Hundreds of thousands of Dutch people suffer from pain caused by knee osteoarthritis and the number is rising fast. Prof. Jaap Harlaar specialises in clinical biomechanics. His research is helping improve osteoarthritis treatment. Harlaar has been appointed Medical Delta Professor and now holds posts…

On 7 December, Meghan Ingram won the Jaap Doek Children’s Rights Thesis Award 2021 for her thesis on the rights of children of foreign terrorist fighters held in Syria. The prize for the best master’s thesis in the field of children’s rights is awarded every year by Defence for Children and the Department…

On 10 December Sarah-Devorah Poot won the Jaap Doek Children’s Rights Thesis Award 2019 for her thesis on child-friendly judgments.

The Jaap Doek Children’s Rights Thesis Award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of Leiden Law School.

The Jaap Doek Children’s Rights Thesis Award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of Leiden Law School.

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…

On 10 December Walter Burkard won the Jaap Doek Children’s Rights Thesis Award 2020 for his thesis on climate change and children’s rights. The prize for the best master’s thesis in the field of children’s rights is awarded every year by Defence for Children and the Department of Child Law of Leiden…

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

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.

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.

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.

On 6 January 2025, Leiden Law School celebrated a special milestone: our 450th birthday! Our special anniversary year got underway with a panel discussion with Bonnie Honig, as well as a celebratory toast.

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.