1000 Years of World History in 100 Old Maps.

This COIn Grant 2025 awarded project allows Leiden University researchers and students to do research on the world’s largest corpus of digitized Ottoman language periodicals and books.

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.

Although each Dutch university has its own culture and tradition, there are some practices that are common within the academic approach in the Netherlands. Four things you need to know about our academic culture:

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…

This book examines the history of The Netherlands in a way that connects global processes to local developments.

During the period 500–1000 CE Egypt was successively part of the Byzantine, Persian and Islamic empires. All kinds of events, developments and processes occurred that would greatly affect its history and that of the eastern Mediterranean in general. This is the first volume to map Egypt's position in…

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?

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

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

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.

Who had a say in making decisions about the natural world, when, how and to what end? How were rights to natural resources established? How did communities handle environmental crises? And how did dealing with the environment have an impact on the power relations in communities?

The opening of the Academic Year 2025-2026 took place on Monday 1 September 2025 in the Pieterskerk church.

We as Young Academy Leiden are continuously educating ourselves and are listening to the voices coming from our own university, especially the young academics.

On the occasion of the 80th anniversary of the magna carta of civil aviation, the Convention on International Civil Aviation (Chicago Convention 1944), Professor Steven Truxal has written a leading piece for the European Civil Aviation Conference: The Chicago system: a steadfast legal blueprint for…

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

Language connects us! We are here to help you! The Academic Language Centre (ATC) is the language centre of Leiden University. As the oldest university language centre in the Netherlands, we offer language courses in a wide range of languages, both for beginners and advanced students. All courses are…

The Academic Language Centre has developed 10 video clips on Academic Presenting. Watch them below for a good start to your studies!

To help you improve your skills in communicating about your research in English, the Graduate School has an in-house Academic English Lecturer.

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…

Imagining the Americas in Print contains eleven essays, seven of which have been published before and four of which are new.

Steps to take if Leiden University needs to verify your academic records.

Today’s socio-economic challenges aren’t new. In the centuries after the retreat of the Roman state people with different backgrounds and with different ways of life somehow managed to build and maintain a complex economic system in northern Gaul that would produce the ruling dynasties of Europe. By…

This book published by Oxford University Press discusses religion and trade in world history.

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

Scientific integrity is an essential element in the PhD trajectory and is addressed in several different settings.

The historiography of the Bretton Woods conference of July 1944 is dominated by the personal clash between the principal negotiators, Harry Dexter White of the United States and John Maynard Keynes of Britain.

Sheltering is an immediate human need and determines well-being andhealth.

In this part of the LUC Newsletter Archive you can find the newsletters of block 3 and 4 of academic year 2019 - 2020.

Prospective employers sometimes request a certified copy of your diploma or your academic transcript. These certified copies can be provided by the University. You can also apply to the University for advice on having your diploma translated.

This project aims to excavate and date the setting of the east gate of the Roman fortress of Udhruḥ. This will be compared with other Diocletianic military installations from the region. We also hope to retrieve another gate inscription which can shed light on the function and political embedding of…

Research into research improves the academic system. CWTS studies and evaluates the academic system in various ways. One way is to provide information on the productivity and impact of academics by documenting how many publications they or their universities produce and how often these publications…

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…

Carl Li defended his thesis on 30 June 2015

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

Academic ceremony

The Persian Empire (539-330 BCE) was the first world empire in history. At its height, it united a territory stretching from present-day India to Libya - and it would take 2,000 years before significantly larger empires emerged in early modern Eurasia. This territorial sweep is both a source of fascination…

Machine Learning is becoming a more and more substantial technology for industry.

This project investigates how early print media covered distant but urgent geopolitical conflicts, using newspapers from the Low Countries, north and south.

Travel back in time and learn about how the University has changed over the centuries.

On Friday 16 May Juul Eijk successfully defended a doctoral thesis and graduated.

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