Investigating epistemic and ethical practices in medical experimentation on humans in the colonial period in Southeast Asia.

A new memorial stone on the facade of a student house in the Hugo de Grootstraat is a reminder of the dozens of Indonesian students who studied in Leiden before and during the Second World War. Some of them were active in the Resistance, which cost a number of them their lives.

To mark the official launch of the network, Maartje Janse and Peter Stamatov have organized a roundtable on Global Abolitionisms at the Annual Meeting of the Social Science Historical Association, November 2015 in Baltimore.

At the start of the 20th century there were fewer than 2 billion people. Now at over 7 billion, Earth’s population is on target to reach 8 billion by 2027. How has this dramatic increase in human population impacted Earth’s life support systems and natural resources? How should we understand the meaning…

Buitelaar argues that IOs micro-level discourse adapts imperfectly to macro-level changes, balancing adaptation to pressures with commitment to values.

How did learned natural historical inquiries into the underwater world develop in eighteenth-century Europe?

Although official law generally conceives of personal injury victims as individual rights holders, the actual experience of physical injury and its consequences is relational. Indeed, many researchers in the global North as well as the global South have contended that the very concept of the Self should…

On Thursday 26 June 2025, the Pavilion of the Wereldmuseum Leiden featured the first joint meeting of Leiden University and the Vrije Universiteit Amsterdam around the shared research theme Collecting Global Heritage. Some 50 researchers, students and collection managers came together to share knowledge,…

In light of climate change, it is crucial to determine whether plant species can adapt to future climates to avoid extinction. Plants adapt to various conditions by altering their functional traits, such as leaf size or photosynthetic rate. Some traits appear linked and vary together between species,…

A thorough description of the relationships among languages and their social environment in a given context, reflecting an ecological perspective, involves attention to the agency of local actors, and the policies, discourse, and ideologies that surround them.

Fascinating images, articles of clothing and other unique objects from the past four centuries of the history of Leiden University can now be seen in the ‘Celebrating Curiosity’ exhibition in the hall of Rapenburg 70.

In the eighteenth century, the Dutch East India Company (VOC) housed its enslaved people on ‘Slave Island’ in Colombo, the capital of Sri Lanka. Today ‘Slave Island’ is under serious threat from property developers. Senior lecturer Alicia Schrikker, together with her Sri Lankan colleagues Iromi Perera…

Having mostly ignored the gains Dutch traders, investors and firms attained from serving the French, English and Iberian empires, debate in the Netherlands now demands a re-evaluation of Dutch colonial responsibilities. By recovering knowledge of these gains, this project will measure the wealth obtained…

Early Modern Medievalisms: The Interplay between Scholarly Reflection and Artistic Production

How do we explain the fact that certain areas had many large cities, while other areas were studded with large numbers of small towns and yet other areas had very few urban agglomerations of any kind?

The studies outlined in this volume explore how connectedness continues to change Africa and how Africa continues to shape the social life of connections.

Bringing together the most current research on the relationship between crime and gender in the West between 1600 and 1914, this authoritative volume places female criminality within its everyday context.

More on the Dutch webpage.

In Luganda, the widest spoken minority language in East African country Uganda, the word for photographs is Ebifananyi. However, ebifananyi does not, contrary to the etymology of the word photographs, relate to light writings. Ebifananyi instead means things that look like something else. Ebifananyi…

In this paper, Kantorowicz aims to track the persistent effect of former partitioning borders on property tax rates in Poland.

On the 6th of July, Anthony Jakob successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Anthony on this achievement!

The project aims at highlighting and strengthening Dutch research into the diversity of the world’s languages from a historic and a cognitive perspective.

How did Anglo-Saxons reflect on the experience of growing old? Was it really a golden age for the elderly, as has been suggested?

Show People offers a comprehensive history of the film star from Mary Pickford to Andy Serkis, traversing more than one hundred years and drawing on examples from America, Britain, Europe, Asia and elsewhere.

On the 27th of June, Timothy Mac Hadjah successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Timothy on this achievement!

How did interests outside the scope of the Dutch chartered trading companies influence the career-paths of Dutch colonial governors?

They existed and were important, but for too long they have remained invisible in historiography: women. Ariadne Schmidt, the Magdalena Moons endowed professor, researches the history of urban culture in Leiden. Women take pride of place in her research. Inaugural lecture on 28 February.

Archaeologist Eduardo Herrera Malatesta reflects on the unfamiliarity with the pre-Columbian past that he encountered during fieldwork in the Montecristi province in the Dominican Republic.

This PhD project investigates how automatic sign language recognition technology can be further developed to analyse static images and textual descriptions of signs.

Ariadne Schmidt will be appointed professor by special appointment of the Magdalena Moons chair at Leiden University. From 1 September 2018 she will carry out academic research and teach on the cultural history of the city, in particular of Leiden.

The transformation of the myriad of medieval kingdoms, principalities, local lordships, city-‘states’ and peasant ‘republics’ into ‘modern’ states, claiming some measure of sovereignty, remains one of the core themes of European history, because it gets down to the very root of the (idea on the) Europe…

Envoys jumping out of windows, fights, and illegal diplomacy: history student Tessa de Boer encountered them all while writing her master's thesis on Amsterdam as a diplomatic city during the 17th and 18th centuries. For her thesis, she was awarded the Uitgeverij Verloren/Johan de Witt thesis prize…

Through each individual decision, however small, people make history. This is what historian Katja Happe said in the Cleveringa Lecture on 26 November. She illustrated this with individual reactions to the persecution of Jews during the Second World War.

What are the origins of the Islamic Empire? And what was daily life like there? Two new Ted Ed animations answer these questions in simple language. Arabists Petra Sijpesteijn and Birte Kristiansen explain what the process of developing the videos was like.

Jeff Fynn-Paul, lecturer at Leiden University’s Institute for History, was recently awarded the European History Quarterly’s 2016 Prize for his article “Occupation, Family, and Inheritance in Fourteenth-Century Barcelona: A Socio-Economic Profile of One of Europe’s Earliest Investing Publics.”

Lecture, Research Seminar Medieval and Early Modern History

To what extent was labour-induced migration important to the functioning of the towns and cities of Roman Italy?

The production of history is a process of power. This is particularly relevant in Africa, where during both the colonial and the post-colonial era history has been written by hegemonic regimes. This historiography has in turn (re-)produced structures of domination, social exclusion and division.…

Introduction to Medieval Europe 300–1500 provides a comprehensive survey of this complex and varied formative period of European history, covering themes as diverse as barbarian migrations, the impact of Christianisation, the formation of nations and states, the emergence of an expansionist commercial…

Moving Romans offers an analysis of Roman migration by applying general insights, models and theories from the field of migration history.