In a new essay for Ethics & International Affairs, Dr Henning Lahmann, Assistant Professor of International Law & Technology at eLaw, addresses the question whether states should resort to social media to warn a civilian population ahead of military operations.

The Master's programme in History at Leiden University is set to change. From September 2026, three of the five specialisations will be replaced by new subjects that are more closely aligned with the field of research and students’ interests. One of these new specialisations will also be taught entirely…

Envoys jumping out of windows, fights, and illegal diplomacy: history student Tessa de Boer encountered them all while writing her master's thesis on Amsterdam as a diplomatic city during the 17th and 18th centuries. For her thesis, she was awarded the Uitgeverij Verloren/Johan de Witt thesis prize…

Jeff Fynn-Paul, lecturer at Leiden University’s Institute for History, was recently awarded the European History Quarterly’s 2016 Prize for his article “Occupation, Family, and Inheritance in Fourteenth-Century Barcelona: A Socio-Economic Profile of One of Europe’s Earliest Investing Publics.”

China is actively attempting to silence critical voices about the country, including in the Netherlands. This is the main conclusion of a report on Chinese interference and intimidation within the Dutch media landscape. The media are often not well prepared for this.

Several Spanish media paid attention to associate professor Eric Storm’s new book Nationalism.

What are the origins of the Islamic Empire? And what was daily life like there? Two new Ted Ed animations answer these questions in simple language. Arabists Petra Sijpesteijn and Birte Kristiansen explain what the process of developing the videos was like.

Jojanneke van der Toorn appears in several media trying to bridge science and society with the aim of contributing to effective and evidence-based diversity policy. Read more in English and Dutch media.

We are living through an age in which social media platforms have given way to entirely new forms of politics and politicking. It is no exaggeration to say: there is a before and after social media.

Lecture, Research Seminar Medieval and Early Modern History

Scientists have detected a neutrino with the highest energy ever measured. Leiden physicists Maarten de Jong and Dorothea Samtleben were involved in this project, which was widely covered in newspapers and online media last week.

Trump caused a lot of controversy in his first month as president. University lecturer Andrew Gawthorpe discussed the new administration’s decisions in various media.

Tahir Abbas, Associate Professor in Terrorism and Political Violence at ISGA, explained how polarisation and social exclusion were at the root of radicalisation around the world. Papers ‘The News’ and ‘Dawn’ wrote articles about it.

Alicia Schrikker doesn't usually get involved in urban history. As a senior lecturer, her research field is generally the colonial history of Asia and partly South Africa. So, the fact that she is going to carry out an urban history research project together with colleagues, is something that even she…

Research conducted by Deloitte, with advice from Leiden University and Nibud (National Institute for Family Finance Information), shows that six out of ten households in the Netherlands are financially unhealthy. National media paid much attention to the report.

On behalf of trade union FNV, Egbert Jongen and Heike Vethaak from Leiden University conducted a study on income distribution over the past 40 years. Dutch national media outlets have given extensive news coverage to their study.

In the days following Christmas, Christa Tobler gave a series of interviews to Swiss newspapers and Swiss radio about the new Trade and Cooperation Agreement between the EU and the UK and about what it might mean for Switzerland-EU relations and the draft EU-Swiss institutional framework agreement.

Bubble baths and face masks: that’s what we often see on social media when discussing self-love. However, is this a true reflection of what self-love and self-care entail? In this episode, psychotherapist Kelly Ziemer teaches us more about what true self-love and self-care are, and their importance.