The Diplo21 network organizes scientific meetings to provide young researchers working on diplomacy and written practices in medieval Europe with a forum for scientific dialogue and debate, independent of national historiographic traditions. The first theme chosen is 'the charter's spaces'. The particular…

The Astronomy & Society Group provides the focus for Leiden Observatory’s aim to engage the public with the wonders of the universe and share the scientific, technological, cultural and educational aspects of astronomy with society.

Numismatic research of Roman coin hoards in the Netherlands. The use of numismatic sources is incorporated in Claes’s research project “Dialogues of Power”. This project aims to analyse the legitimising dialogue between Roman emperors and their Germanic legions during the so-called “crisis of the third…

Large pairs of planets thought to orbit each other without a star, do not exist after all. That conclude Leiden researchers, after extensive computer modelling and simulations. What the double dots seen by the James Webb Space Telescope are, remains a mystery.

From colonial times through to the present day, large numbers of Javanese have left their homes to settle in other parts of Indonesia or much further afield. Frequently this dispersion was forced, often with traumatic results.

Commentators and scholars view both social media and cities as sites of fragmentation. Since both urban dwellers and social media users tend to form assortative social ties, so the reasoning goes, identity-based divisions are fortified and polarization is exacerbated in digital and urban spaces.

Het College van Bestuur laat door een postdoc een eenjarig vooronderzoek doen naar het koloniale en slavernijverleden van de Universiteit Leiden.

This research focuses on the distribution of chemical elements in protoplanetary disks, the birthplaces of planets. These disks form around young stars and contain gas and dust, from which planets grow. Ice plays a crucial role in planet formation, aiding the clumping of dust particles and influencing…

The latest forum in the Hague Journal of Diplomacy highlights the rich potential for interdisciplinary research at the intersection of architecture, diplomacy, and international relations. These contributions, spanning from the early American republic to the contemporary era, reveal how diplomatic spaces…

The aim of this project is to study the influence of Longinus’s treatise ‘On the sublime’ on practice and theory of architecture and theatre in seventeenth-century Paris and Amsterdam.

The subject of this thesis is Alverata, a twenty-first-century typeface whose design was inspired by the shapes of Romanesque capitals such as those found in inscriptions of the eleventh and twelfth centuries.

In a speech on Keti Koti the Dutch king, Willem-Alexander, apologised on behalf of the royal family for the Netherlands’ historical role in slavery. What is the significance of this?

Lecture, Global Histories of Knowledge Seminar

Students on the Adv. LL.M. Air and Space Law reacted quickly to the news of Ukrainians fleeing the war in Ukraine to neighbouring countries. Filip Draba, who is from Poland, collected donations from the class and, together with additional contributions from family and friends in Poland, he amassed €…

View the program structure of the Advanced Master Air and Space Law on this webpage. The program gives you a thorough understanding of aviation and space law.

Ehrenfestgarage, Emmy Noetherweg , 2333BK, Leiden

Recent studies of Neandertal body mass and skin surface indicate raised energetic requirements in this lineage compared to anatomically modern humans.

Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.

Social Aspects of Space in the Configurational Architecture of Frankish Castles in the Holy Land, 1099-1291

Engin Kiliç defended his thesis on 11 june 2015

On Thursday 29 January 2026 Uğur Derin successfully defended a doctoral thesis and graduated.

Most people would not even consider it, starting a PhD at the age of 62. However, for the former Teylers Museum curator Bert Sliggers it was like a dream that came true: ‘The opportunity I was given felt like a gift, it brought me and Teylers Museum a lot.’

Histories Connected: Seminar

Promotor: W. T. F. den Hollander, F. H. J. Redig

How do galaxies form? Thanks to major technological advances, astronomers are gaining ever-deeper insights, says astrophysicist Mariska Kriek in her inaugural lecture. ‘It’s almost unbelievable how many significant discoveries the James Webb Space Telescope has already yielded in such a short time.…

The University of Limerick (Ierland) is looking for a postdoctoral researcher to explore aspects of nonconformity and deviance in the early modern world of learning. Deadline for proposals: May 11.

This 4-year research project focuses on vernacular and unacknowledged heritages of the highlands of Bhutan. It seeks to make a major contribution to the preservation of these heritages, to create a cultural resource for current and future generations.

With 8.9 million euros from the Danish National Research Foundation, Aarhus University and Leiden Observatory will establish the Center for Interstellar Catalysis. The centre is led by Aarhus professor Liv Hornekær and aims to find out how and when the building blocks of life formed in the Universe.…

The excuses for the slavery past? It would have been better if the cabinet had taken some more time on that, thinks university lecturer and Atlantic slavery expert Karwan Fatah-Black. 'Too bad they didn’t wait for the results of the study.'

How should the Quran be read? The manuscript of this holy book makes different interpretations possible. Researcher Marijn van Putten has been awarded an ERC Consolidator Grant of two million euros to explore centuries-old recitations.

The ERC-project CaPANES (Causal Pattern Analysis of Economic Sovereignty) is looking for a postdoctoral researcher and two PhD's. This project addresses economic sovereignty of commercial cities in the period of c. 1400-c. 1620. Deadline for applications: November 4.

French title: Communication et violences dans le Guéra et le Moyen-Chari (Tchad) de 1940 à 2010. This research investigates the relationship between the introduction of new means of communication and violence experienced by the local populations in the Moyen-Chari and the Guéra regions in Chad from…

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

How were Spanish commanders fighting in the Low Countries between 1567 and 1577 portrayed in Spanish and Dutch narrative sources during the Eighty Years War?

How did nineteenth century scholars evaluate each other and each other’s work through more or less informal practices of peer review?

For the project ‘Professionals and the People’ Tilburg University is looking for a historian with a PhD with passion for archival research. The postdoc will investigate the administrative culture and the functioning of urban civil servants in the Low Countries during the late Middle Ages and Early Modern…

How do first-hand narratives of war of commanders in the front line relate to the official narrative of the Eighty Years’ War?