How many cities were there actually in the Roman Empire? And why did some regions only have a few cities, while others consisted of a tight urban network? Luuk de Ligt, Professor of Ancient History, wants to know the answer to all these questions. With the ERC Advanced Grant of 2.5 million awarded to…

Language evolution, targeted drugs or archaeological interpretation. Researchers are making increasing use of supercomputers that can rapidly process large quantities of data. This is one reason why the University data centre will be extended and updated. ‘Datamining means we can get a better picture…

Archiving Medieval and Post-Medieval Archaeological Fieldwork Data from the Eastern Mediterranean (600-2000)

The two-year research master in Middle Eastern Studies equips you with advanced and in-depth knowledge of a region and discipline within the field of Middle Eastern Studies. You are expected to spend the third semester of the programme doing research, either in the Netherlands or abroad. Blended and…

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.

This volume was edited by Jeroen Duindam, Jill Harries, Caroline Humfress, and Nimrod Hurvitz.

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.

Asim Zubcevic defended his thesis on 11 November 2015

The process of unification and the character of the union are the central topics of Magnanimous Dukes and Rising States. Robert Stein mirrors continuity and modernisation in Burgundian times with the bankruptcy of the former dynasties and the decline of feudal government. The powerful towns played an…

This book investigates how the rulers of the Habsburg world empire developed and implemented a central maritime policy for the Netherlands and appointed an admiral of the sea or admiral-general for that purpose.

In Reframing the Diplomat Albertine Bloemendal offers a unique window onto the unofficial dimension of Cold War transatlantic relations by analyzing the diplomatic role of the Dutch Atlanticist Ernst van der Beugel as a government official and as a private diplomat.

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.

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.

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…

In White Lies and Black Markets, Fatah-Black offers a new account of the colonization of Suriname—one of the major European plantation colonies on the Guiana Coast—in the period between 1650-1800.

This book argues that the combined literary, epigraphic and archaeological evidence supports the theory that early-imperial Italy had about six million inhabitants.

Kate Ekama is one of the three PhD-students on Cátia Antunes' 'Challenging Monopolies' project.

Leiden University is happy to announce that it has won a prestigious Jean Monnet grant for a Centre of Excellence. The Centre, called CompaRe, focusses on comparative regional integration.

In an op-ed and an interview in Dutch newspaper ‘de Volkskrant’, Reijer Passchier, Assistant Professor in Constitutional Law at Leiden University and Professor of Digitalisation and the Democratic Constitutional State at the Open University, stresses that Europe needs to take radical steps to tackle…

Carlotta Rigotti and Dr Eduard Fosch-Villaronga from Leiden University presented the Horizon Europe BIAS project and its preliminary findings on fairness and diversity biases of AI applications in the labour market during the 'Algorithms for Her?' conference.

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…

There is a growing demand throughout the world for ways to understand and preserve cultural heritage. Heritage has a crucial role to play because it strengthens societies and promotes understanding among cultures. Leiden expertise in the area of heritage spans the whole world.

The central aims of this project are to establish the shapes of the various urban hierarchies existing in the provinces of the Roman Empire and (especially) to use the quantitative properties of these hierarchies to shed new light on levels of economic integration.

To enjoy the Winter holidays, the Leiden Leadership Centre has selected several interesting illustrations of leadership.

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!

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

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.

Lecture, European Union Seminar

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).

This research project focuses on the extended documentation and investigation of these non-Austronesian (‘Papuan’) languages.

For every period, it is a challenge to unearth the details of political trafficking; yet the effort needs to include all relevant persons, groups, and institutions – not only those wielding formal responsibilities. We hope to reinvigorate this effort by inviting specialists to present their research…

On May 30 and 31, a workshop will take place at the Dutch Art Historical Institute in Florence (NIKI). This workshop aims to further our understanding of how late medieval societies reconciled the partially contradictory ideals and expectations of Ecclesia and Iustitia at a collective and individual…

Lecture, Leiden Yemeni Studies Lecture Series

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

IAt the Criminal Justice Public Lecture on 20 April, Professor of Law and Society Maartje van der Woude spoke about her research into decisions and practice in relation to intra-Schengen border areas and the free movement of persons. The thinking behind the Schengen area is that where the external borders…

On average, Dutch breeding birds have become more numerous in the period 1980-2010. The common species have even done better than birds in other European countries. Farmland birds are an exception: they declined sharply both in the Netherlands and elsewhere in Europe.

Lecture, PCNI Research Seminar

This research project focuses on the thoughts of ethnicity and political orthodoxy in Medieval China by investigating Wang Tong’s works.

On the 2nd of September Jiyan Qiao successfully defended a doctoral thesis and graduated.

The SAILS conference The Future of AI is Here (and Guess What … it’s Human) brought together researchers and policy makers to discuss the important issues in the area of artificial intelligence (AI). Where are the opportunities and what are the dangers?

A very special occasion for the Dual PhD Centre. Vasileios P. Karakasis is the 25th PhD candidate in the history of the Dual PhD Centre, combining work with PhD research at Leiden University. Karakasis will defend his dissertation: ‘Adding Fuel to the Conflict’ on 15 October. In this interview, he discusses…

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…

The Yearbook for Dutch Book History publishes Open Access articles in the Dutch and English language on all aspects of the book history of the Low Countries. For the 32nd edition of 2025, they particularly welcome contributions within the theme of “Books across borders.”

The Dutch Research School Art History (OSK) and Utrecht University organize the Technical Art History Days. On April 4 and 5, experts present and discuss current research at Utrecht University that brings together material and digital approaches for the study of art and heritage.

In a new article in the journal Scientific Reports, Leiden archaeologist Wei Chu and colleagues report on recent excavations in Western Romania at the site of Româneşti, one of the most important sites in southeastern Europe associated with the earliest Homo sapiens. The site gives an important glimpse…