Diplomatica addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation. The journal explores and investigates diplomacy as an extension of social interests, forces, and environments.

Het Departement Architectuur (Faculteit Ingenieurswetenschappen, Campus Heverlee KU Leuven), zoekt kandidaten voor het project: “Verloren middeleeuwse forten in de Lage Landen ontsloten in 3D”. Het betreft een volledig gefinancierde doctoraatsbeurs in het veld van de architectuurgeschiedenis. Deadline…

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…

The Sixteenth International Conference on Parallel Problem Solving from Nature (PPSN XVI) will be held in Leiden, The Netherlands on September 5-9, 2020. Leiden University and the Leiden Institute of Advanced Computer Science (LIACS) are proud to host the 30th anniversary of PPSN.

The NWO just announced the results of the Vrije Competitie proposals. Paul Smith, professor at the French department is, as a member of LUCAS, one of three scholars within the Faculty of Humanities at Leiden University who has been awarded this grant.

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…

Changes to halt further biodiversity loss are more urgent than ever and feasible, says IPBES, the United Nations biodiversity panel. In two reports released this week, the panel calls on governments worldwide to develop coherent policies that address biodiversity, climate change, water, food and health.…

How can we effectively increase biodiversity and climate resilience in Dutch cities from an ecological, societal and governmental perspective?

It is crucial that Leiden University reflects on its colonial history. These were the words of Cleveringa Professor Gert Oostindie in his inaugural lecture on 24 November. ‘As a university community, we must dare to hold up a mirror to ourselves and, where possible and necessary, also take concrete…

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

Each year, poppies disperse seeds that grow into a new generation of flowers. Sometimes, some of the seeds postpone their germination for a few years, for example when they’re covered by a layer of sand. Only when the sand disappears, do they start to sprout. Margriet Oomen did mathematical research…

This project explores themes at the intersection of maritime history and environmental history by looking at the problems Dutch ships encountered in the different climates of the Atlantic and Indian Ocean worlds, and the solutions they could provide.

During the Latin American Studies Master's programme you will focus on key social, political, linguistic and cultural developments which are currently shaping the complex reality of Latin America.

Blood, Sweat and Tears: The Changing Concepts of Physiology from Antiquity into Early Modern Europe

This study employs a comparative perspective to identify generic and specific qualities of petitions and petitioning. It charts the chronological development of petitioning practices over centuries. The interdisciplinary approaches provide range of conceptual and methodological expertise for reade…

A study of early medieval reopened graves

This study interrogates contemporary and historical uses of barbarism, arguing that barbarism also has a disruptive, insurgent potential.

In this article, Ben de Jong, research fellow at the Institute of Security and Global Affairs, examines the relationship between double agents and their handlers.

The Etymology Calendar for 2020, which was compiled by five linguistics students from Leiden University, has now hit the shops. After the resounding success of the first Etymology Calendar last year, this year’s version is being published by big-name publishing house Brill.

The Executive Board has appointed Herman Paul (Institute for History) as Professor of History of the Humanities. He will take up the role from 1 January 2019.

Asim Zubcevic defended his thesis on 11 November 2015

The historical archaeology of the Port of Sandy Point and its anchorage, St. Kitts, West Indies

This project proceeds from the observation that since the second half of the twentieth century, forgiveness and reconciliation have become pervasive themes in western culture, both on a political level and in personal relations.

In this doctoral dissertation (2012) the effects of the monetization of the Greek world in the 5th and 4th century on conceptions of reciprocity in friendship are analyzed.

This research investigates the impact of socioeconomic developments on the physical condition of medieval populations in Holland and Zeeland between AD 1000 and 1600 through the analysis of human skeletal remains from three archaeological sites.

During the early modern period, many medieval manuscripts were cut up into strips of parchment which were reused to reinforce the bindings of newly printed books. Until recently, these reused pieces of medieval manuscripts only came to light when the early modern book binding was damaged and/or subjected…

Does your programme have an elective space of only 15EC? Then you can follow a modified programme of the American Studies minor, which we call 'Elective credits'.

Reasserting America in the 1970s brings together two areas of burgeoning scholarly interest.

In Dutch nature, plant species that depend on pollination by insects are disappearing. Environmental scientist Kaixuan Pan shows this after analysing 87 years of measurements from more than 365,000 locations. Several national and international media reported on the study results. Below is an overview…

The soya sauce in our kitchen cabinets is not a recent acquisition. This sauce is an important element in a long history of exchange between Asia and Europe. This is what Anne Gerritsen claims in her inaugural lecture for the Kikkoman Chair on Friday 12 December.

Thirty years ago, the Leiden Journal of International Law (LJIL) was born, at a time when the writing of histories was hardly a popular endeavor for international legal scholars. In his 1987 article ‘Probleme der Völkerrechtsgeschichte’ (‘The Problems of International Legal History’), Heinhard Steiger…

This volume challenges the idea that the development of ‘democracy’ is a story of rise and progress at all. It is rather a story of continuous but never completely satisfying attempts of interpreting the rule of the people.

Ann Marie Wilson and Andrew DJ Shield have been recently awarded a Leiden Global Interactions SEED grant to support the launch of a new platform for sexuality studies at Leiden University: the Leiden Queer History Network (LQHN).

As always, 5 students take part in the Departmental Teaching Committee History. The five of us want to represent the history students to the best of our abilities and enhance the visibility of the Committee. We are looking forward to an interesting year!

Reseachers of the Institute of Environmental Sciences Leiden (CML) have contributed to a debate in the Journal Nature over whether lions in Africa can only be saved with dollars and fences.

Research integrity is vital for good research. How to make it an inseparable part of research culture takes more than having rules and procedures in place. The EU Horizon 2020 project Standard Operating Procedures for Research Integrity (SOPs4RI) has found three areas and nine topics of focus in the…

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

On 23 February 2011, Hans de Iongh gave a Skype lecture for a group of 15 students of the Duke University of North Carolina, USA on the invitation of Dr Andrew Jacobson.

Neat strips of grass and perfectly manicured flowerbeds may look green and inviting, but they’re often not the best for nature. That’s why Leiden University is prioritising a comprehensive biodiversity plan over conventional greenery at the Leiden Bio Science Park (LBSP).

Call for Papers: Yearbook for Dutch Book History 33 (2026). Deadline 1 April 2025.

The University of Groningen is looking for an assistant professor in Medieval history for 1,0 FTE. Deadline for applications, 23 March 2025.