This book offers readers an alternative history of the origins of the discipline of International Relations.

The growing demand of energy indicates that global energy resources in the form of fossil fuels will not be sufficient in the future. In order to solve potential future energy problems development of a sustainable hydrogen economy is highly desirable.

De Pagus Renensis van de 4de tot de 8ste eeuw na Chr.: Een archeologische synthese

The Mathematical Institute regularly has vacancies. These are advertised on the homepage of the Mathematical Institute or on the general website of Leiden University. You can also join the Mathematical Institute as a guest, and of course you can also pursue a bachelor's or master's degree with us.

Promotor: Prof.dr. A. P. IJzerman, Co-Promotor: Dr. L.H. Heitman

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

The Leiden Leadership Centre is an international and interdisciplinary network organisation connecting people and perspectives.

Leiden is a real student city and has everything you’ll need to turn your time as a student into the time of your life.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Leiden Law School is currently housed in two beautifully restored historic buildings located in the old centre of Leiden. We also have facilities for teaching and research at Campus Den Haag.

In September 2025, Leiden University submitted its self-evaluation for the mid-term review of the Social and Behavioural Sciences Sector Plan. This self-evaluation provides an overview of the progress made within Leiden since the start of the SSH Sector Plans and reflects on how FSW and FGGA contribute…

If you wish to continue your academic education after your bachelor’s, the next step is a master’s degree (MA) at a Dutch or international university. And there may be no better place for your further master’s study than Leiden University!

In this article in International Affairs, Saskia Postema and Jan Melissen examine Chinese celebrities' UN-affiliated Weibo activism in the context of China's increasing engagement in the United Nations, which coincides with a shrinking domestic public sphere under Xi Jinping's leadership.

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Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Study information, Online Experience

Take a journey through the history and future of life on planet Earth.

Study information, Online Experience

Study information, Online Experience

Study information, Online Experience

Study information, Online Experience

Study information, Online Experience

Study information, Online Experience

The recent terrorist attacks in Europe are presumably not just acts committed by individuals, but acts facilitated by larger jihadist networks. But how do such networks operate? Understanding their modus operandi can be useful knowledge to counter terrorist threats.

Leiden is a real student city and has everything you’ll need to turn your time as a student into the time of your life.

You can participate in community-building events, alumni sessions, and internship information meetings. Student associations also organise cultural and social activities.

Get to know us through our online and in-person events for prospective students!

In this journal article, Dr. Joris Larik and Dr. Richard Ponzio put forward a broad-based pandemic recovery agenda that goes hand in hand with institutional reforms at the global level.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

The master's programme in Education and Child Studies is an academic programme that focuses on the link between theory, research and practice.

PhD candidates carry out a programme of independent research, leading to a PhD thesis in typically 4 years.

Since the start of the Green Office, several projects have been initiated to increase awareness amongst staff & students and to make the university more sustainable. Read all about our current projects here.

Leiden is a real student city and has everything you’ll need to turn your time as a student into the time of your life.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Lecture, Lunch Research Seminar

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.

Big celebration upcoming weekend: MIRD's 20th anniversary is on the cards. Four alumni from different periods tell what this unique two-year master's in International Relations and Diplomacy has brought them.

No decorated signs on an overfull Lammermarkt but instead a video meeting that gradually fills up and the inevitable question of ‘Can everyone hear me?’ The 51st EL CID introduction week began online this week, on Wednesday 5 August. Because of the corona measures, most of the programme has been converted…

On Thursday 21 September the first monthly ILS lunch of the academic year took place. Prof. Jannemieke Ouwerkerk, from the Department for Criminal Law and Criminology, presented her research on “The Exercise of EU Criminalisation Powers after Lisbon”, showing an insight in the motives behind the harmonization…

What inspiration and impact have been generated by the International Covenants on Civil and Political Rights and on Economic, Social and Cultural Rights? And how can their future role in human rights protection be further enhanced? These are some of the questions that will be addressed at a conference…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

The annual New Year Lecture for Honours College Law took place on Friday 17 January. This year’s speaker was Barbara Zwirs, author and former assistant professor in criminology at Leiden Law School. Her lecture got 2025 off to an inspiring start.

Public Administration has been around for 40 years, and that deserves to be celebrated. Before the festivities begin, four figures from the Institute of Public Administration reflect on the past years, with one even looking back over the last 25 years. Speaking are: Bernard Steunenberg, Caelesta Braun,…

Nearly all students have faced many challenges this academic year. Students Nasreen Javanjoo (Religious Studies) and Marcos Cordova (Literary Studies) talk about their experiences of studying in the time of coronavirus.

A valuable community of female researchers, providing solicited and unsolicited advice to the Board of the Faculty of Science. Those are the strengths of women’s network RISE. On 11 September the network presented its second biennial report.

On Monday 6 February, 2017 it is exactly ten years since the FSW Master Thesis Lab was set up. And the Faculty is proud and delighted to mark the anniversary of this special facility for master’s students.