Forgotten Lineages explores the paths through which generations of formally enslaved and their descendants gradually forgot their past of enslavement under Dutch and British imperial rule and became local subjects in Sri Lanka and South Africa. It explores why and how forgetting rather than memory became…

Organisations such as the EU are of enormous benefit to the member states, but the inhabitants of the member states are often unaware of this. Leiden researchers investigate whether international organisations such as the EU or ASEAN are able to influence global politics.

This project seeks to develop a conceptual framework and provide empirical evidence on academic leadership that builds a fairer world and fosters trust in polarised times.

Promotor: Prof.dr. J.N. Kok, Co-Promotor: W.A. Kosters

This volume, featuring sixteen contributions from leading Roman historians and archaeologists, sheds new light on approaches to the economic history of urban craftsmen and traders in the Roman world, with a particular emphasis on the imperial period.

This book provides an exploration into the historical transformations of women's interactions with state police in the Western world from 1800 to 1950.

This monograph by dr. Kim Beerden compares Greek divination to divinatory practices in Neo-Assyrian Mesopotamia and Republican Rome.

Generations of Leiden students and academics have done archaeological research into the early medieval history of Oegstgeest. This makes this old settlement one of the best-documented sites from that era. In a new book, Leiden researchers take stock.

Located in the small Kingdom of Commagene at the upper Euphrates, the late Hellenistic monument of Nemrud Daǧ (c. 50 BC) has been undeservedly neglected by scholars

A Companion to Cities in the Greco-Roman World offers in-depth coverage of the most important topics in the study of Greek and Roman urbanism. Bringing together contributions by an international panel of experts, this comprehensive resource addresses traditional topics in the study of ancient cities,…

What socio-cultural transformations did indigenous communities in the Lesser Antilles undergo from the late precolonial to the early colonial period in response to Amerindian­ European-African cultural encounters? How did Amerindian populations realign themselves in response to the colonisation…

The opening of the Academic Year 2018-2019 took place on Monday 3 September 2018 in Pieterskerk church.

Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…

How to strike a balance between the sometimes conflicting stakes of individual, public and private data-producers and data-processors?

Contract means contract? Step-in risk, safeguards and resolution

How to represent and assess legitimate interests? On behalf of the Dutch Ministry of Interior and Kingdom Relations, Caelesta Braun and Bert Fraussen developed the framework ‘Afwegingskader Legitieme Belangenvertegenwoordiging’ (Assessment Framework Legitimate Interest Representation). The researchers…

This volume offers a multidisciplinary view of cutting-edge research on bilingualism in Spanish and Portuguese-speaking regions, with the aim of building a bridge between sub-fields and approaches that often find themselves isolated from one another.

Explore how skateboarding functions as a prefigurative learning tool in 'Skate/worlds.' This volume examines skateboarding's therapeutic potential, its role in queering and decolonizing education, and its impact on parenting and care work through perspectives from writers, educators, and activists.

We are living in an information era where the amount of image and video data increases exponentially.

This research profile area brings together descriptive, historical and theoretical linguistics, as well as psycho- and neurolinguistics.

Promotor: Prof.dr. I.A.G. Snellen, C.U. Keller

Japan's Occupation of Java in the Second World War draws upon written and oral Japanese, Indonesian, Dutch and English-language sources to narrate the Japanese occupation of Java as a transnational intersection between two complex Asian societies, placing this narrative in a larger wartime context of…

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

This volume investigates how urban growth and prosperity transformed the cities of the Roman Mediterranean in the last centuries BCE and the first centuries CE, integrating debates about Roman urban space with discourse on Roman urban history.

This PhD project investigates the forms, functions, meanings, and socio-cultural values embedded in Palenda, in order to understand how it reflects and shapes the worldview of the Muna people (Mieno Wuna) through metaphor.

How do you combine the growth of wind energy with the protection of vulnerable seabirds? With her master’s thesis on this delicate balance, Sofie Hajer won the 2025 Unilever Research Prize. Her work provides new insights into how ecology and policy can strengthen each other.

Just like every other organism on Earth, plants’ ultimate goal is to survive and reproduce. In order to achieve this, they must make trade-offs between where and how to allocate their finite set of resources. Whether they put their resources and energy into their growth, reproduction or maintenance,…

Is our musicality unique? To find out, the Bird Singalong Project brings together singing parrots from all over the world. Do you have a parrot that sings or whistles along to songs and would you like to help us? Sing up now!

Material Crossovers

Indigenous Latin American artifacts have attracted the interest of Europeans since the earliest moment of contact between Europeans and the Indigenous peoples of the Americas. The ERC-funded BECACO project uses an innovative multidisciplinary framework to investigate the provenance of ethnographic and…

1000 Years of World History in 100 Old Maps.

Optimally solving real-world expensive Black-Box Optimization (BBO) problems w.r.t. real-world constraints, such as wall-clock time and computational costs, is extremely difficult and tedious.

In Humanity’s End As A New Beginning, Emeritus Professor Mineke Schipper reflects on myths about ‘the end’.

In this opinion article published in World Development, the authors present five research and policy priorities. While it is clear that ‘pluriversal’ designs need to guide the way forward (Kothari et al 2019), defining a set of key pillars can provide direction and purpose across this pluriversality.…

Do young people who want to change gender have the unconditional right to medical treatment? Pediatric Endocrinologist Martine de Vries, who is also Professor of Medical Ethics, treats transgender children and adolescents. She will discuss this in her ‘Pride Talk’ on 18 September.

Classical mathematical models treat space and time as a continuum, while it is sometimes more useful to regard it as granular. Hupkes is studying what this means for a number of important patterns that are often found in computer calculations and in nature.

Insect egg development in a warming world: the eco-evo-devo of embryonic developmental time: What is the genetic basis of developmental time?

According to a recent court ruling, the reception of asylum applicants in the Netherlands is not in line with European requirements. The Dutch Government must take measures to amend the situation. What are the problems concerning the reception of asylum applicants and how realistic are the court’s d…

The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…

On Tuesday 10 September 2024 May Shaddel Basir successfully defended a doctoral thesis and graduated.

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

Are there general principles or values that should govern our actions as moral agents and/or as political subjects?

NTER-SECTION is a peer-reviewed, open-access journal focusing on contributions from junior archaeological researchers at Leiden University. The journal offers an accessible platform for the publication of individual research by undergraduate and graduate students. The Editorial Board consists of PhD…