How was the future United Nations Organization promoted to global publics during WW II?

This work analyzes ritual practices and knowledge related to the Mesoamerican calendar with the aim of contributing to the understanding of the use and conceptualization of this calendar system in the contemporary K’iche’ community of Momostenango, in the Highlands of Guatemala.

Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.

The aim of this project is to foster a historiography that does justice both to the realization that scientific knowledge is constructed by local, contingent, and contextual processes, and the claims of science to objective validity.

From 26 August until 5 September 2019, a group of 20 Chinese government officials, industry representatives and academics attended an intensive course on space law and policy at the International Institute of Air and Space Law, organized in cooperation with Avans+ in Breda.

A team of students from the Advanced LL.M. in Air and Space Law represented Leiden University at the Manfred Lachs Space Law Moot Court Competition. The European regional rounds of the competition took place at the headquarters of the European Space Agency in Paris, France from 1 to 3 April 2025 and…

Victoria Nyst's love for sign language was sparked when she accidentally ended up at a deaf school while studying African linguistics. The university lecturer has since been awarded a Vici grant to research the history of these languages.

This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking of the Hellenistic period.

The SRON space research institute currently located in Utrecht will be relocating to South Holland. The institute, which constructs highly advanced technological instruments for astronomy research and for research on exoplanets, will relocate to new premises adjacent to Leiden University's Science Campus.…

In educational settings such as museums, universities and schools, white, male, able-bodied and rational subjects still dominate. Although there has been a lot of theoretical work on processes of in- and exclusion through racialization, sexualization, and disabilization, we still know very little about…

In Poland the commemoration of acts of resistance is being misused to distort the history of the Holocaust. That is what Cleveringa Professor Jan Grabowski said in his inaugural lecture on 26 November. In her lecture, the second Cleveringa Professor, Barbara Engelking, pointed to the often indifferent…

One of the ECSL’s most prominent activities is the ECSL Summer Course on Space Law and Policy, welcoming students at all academic levels as well as select young professionals currently active in the space or related sectors. Now in its 33rd year, the course has built a vast global network of alumni.

The SpaceEU project, coordinated by Leiden University, has launched an online toolkit with a collection of space-centred activities that engage people with the wonders of space. The toolkit is targeted at girls and underrepresented communities and can be used by schools, youth centres, museums, NGOs…

One of ECSL’s most successful activities is the ECSL Summer Course on Space Law and Policy, which is open to students of all levels of study, as well as a few young professionals already working in the space or space-related sectors. The course is now in its 31st year and boasts a large family of alumni…

So-called

Playing the piano with your forearm, plucking the strings, sawing through the piano: pianist Luk Vaes's doctoral dissertation covers all the techniques of play for which a piano is NOT designed. His defence ceremony will consist of three concerts and a public defence. 'Musicians were using the interior…

Over several decades, a variety of computational methods for drug discovery have been proposed and applied in practice. With the accumulation of data and the development of machine learning methods, computational drug design methods have gradually shifted to a new paradigm, i.e. deep learning methods…

How do old and new Information and Communication Technologies (ICTs) relate to new social and political movements in Central Africa? What does this tell us about Africa and the Information Age?

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

On 10 November Guanmian Xu successfully defended a doctoral thesis and graduated.

Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

This special issue of Media History (22-3/4, 2016), co-edited with Helmer Helmers (University of Amsterdam), develops a new perspective on the early modern communication revolution. It discusses news as a specific kind of information – by its nature continuous, unreliable, and diffuse – which needed…

Today, globalization makes us all aware of how closely we are connected to, and often dependent upon, the actions of people who are distant from us. Human migration and economic liberalization have confronted local communities with changes happening on a global level. How can we devise ways to share…

Eschatology played a central role in both politics and society throughout the early modern period. It inspired people to strive for social and political change, including sometimes by violent means, and prompted in return strong reactions against their religious activism.

A symposium on space diplomacy for experts and the general public will take place in The Hague on Monday 12 June. Everyone has an interest in learning more about this topic, says Professor Jan Melissen. ‘The scope of international relations has expanded beyond our planet.’

The Univerisity of Sharjah organises a conference on February 22-23, 2017 ; Call for papers has started.

This book examines the history of The Netherlands in a way that connects global processes to local developments.

University Lecturer Andrew Gawthorpe discusses on The Conversation how Trump's Greenland proposal overlooks the historical discrimination faced by Indigenous Alaskans.

This subproject of 'From Homo Economicus to Political Animal' will be on ancient analogues for modern-day “ersatz economics”, the economics of the “man in the street”.

Xander Tielens, Professor of Physics and Chemistry of the Interstellar Space, has been awarded an ERC Advanced Grant to study polycyclic aromatic hydrocarbons (PAHs) in space. The combination of astronomical observations, computer models and lab research makes the research highly interdisciplinary.

The alignment of the James Webb Space Telescope is complete. The space observatory is able to capture sharp, well-directed images with each of its four powerful scientific instruments on board. The MIRI instrument, on which Professor of Molecular Astrophysics Ewine van Dishoeck also worked, was the…

This COIn Grant 2025 awarded project allows Leiden University researchers and students to do research on the world’s largest corpus of digitized Ottoman language periodicals and books.

The first fine for space debris has been issued. An American company that had failed to clean up its space junk has been fined $150.000.

In an age before GoogleDocs and LinkedIn, 19th-century scholars relied on letter-writing for collaboration, peer-feedback and the building and sustaining of academic networks. Letters were a quick, efficient way to share insights, data and discoveries. Scholarly correspondence thus allows a vital behind-the-scenes…

Ruling Overseas: Connected Practices of Governance of Law

Regulating Relations: Controlling Sex and Marriage

Space is of enormous strategic value. Having rules in space therefore is to everyone’s advantage.

Being a Slave brings together scholars and writers who try to come to terms with the histories and legacies of European slavery in the Indian Ocean.