The emergence of the Köprülü household that imprinted its stamp on the latter half of the seventeenth century in the Ottoman Empire. What is the power struggle they carried out against Ottoman dynastic power?

Dr. Henk Schulte Nordholt, working at KITLV and LIAS, has been appointed extraordinary professor of Indonesian history for a five-year period.

The image of the European Union (EU) as a remote law-making machine is widespread. Quite often journalists and politicians deliberately depict ‘Brussels’ as bureaucratic, even undemocratic, bypassing its citizens. And many of us buy into that image. Nikoleta Yordanova, Anastasia Ershova and Aleksandra…

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

Take a walk through any city, and you are likely to come across a brightly coloured mural. Although these paintings often seem to serve solely as a backdrop for Instagram snapshots, art history professor Minna Valjakka says there are rich traditions and intricate histories that uncover more critical…

Security seems to most people a basic necessity of life, a prerequisite for a good life. But if you think about it a little longer and deeper, as political philosopher Josette Daemen has done, you realise that security sometimes comes at the expense of other important goods, such as freedom and equality.…

Tensions are rising between Russia and the West. Can an invasion of Ukraine and an international war be avoided? Political scientist and Russia expert Hans Oversloot warns of the consequences if the West chooses a collision course. ‘Offer Russia a dignified exit strategy.’

Turkish politics was shaken by the arrest of Istanbul mayor Ekrem İmamoğlu, along with dozens of others from the main opposition party.

Alumnus Stan van Haasteren went to Northern Ireland in 1995 as a freelance journalist with a guitar strapped to his back and recently wrote a book about his experiences in Belfast. ‘The big difference with then is that today there is no more violence. But it's still a divided city.’

In recent years, freedom of movement within Europe has come under increasing pressure as a result of transboundary crisis situations. In his inaugural lecture on 22 October, Professor Jorrit Rijpma argues that what is needed is even closer cooperation to provide the best protection.

On young Muslims seeking to understand their place and make their way in a transformed world.

Many conflicts in Africa have been studied and described as location and time bound. Yet conflict is rarely confined and contained, and instead reaches across communities, borders, and generations.

Acta Politica is the official journal of the Dutch Political Science Association.

Aileen Schuurmans finished her MA International Relations this summer. She wrote an article titled 'How to Change the Story of the Pandemic with Daoist IR', which got published on E-International Relations, the world’s leading open access website for students and scholars of international politics.

In this article, Gerrit Dijkstra and Jos Raadschelders from the Institute of Public Administration, argue that Bosnia-Herzegovina survives so far on the basis of negative legitimacy.

From colonial times through to the present day, large numbers of Javanese have left their homes to settle in other parts of Indonesia or much further afield. Frequently this dispersion was forced, often with traumatic results.

Joris Larik, Assistant Professor at Leiden University College in The Hague, was interviewed live on Al Jazeera on 2 April 2021 about the current political upheaval in The Netherlands and the difficult process of forming a new government.

On Thursday 13 September 2018, the first ILS Lunch Seminar of this academic year took place. Geerten Waling and Michael Klos kicked off the ILS Lunch Seminars-series by presenting on their particular research topics.

Juan Masullo (Leiden University Institute of Political Science) receives a grant from the Elise Mathilde Fund/Leiden University Fund to conduct his research project ‘Forging an Anti-Mafia Culture: Observational and Experimental Evidence from Italy’. Masullo aims to find out what ordinary Italians think…

The Bachelor Honours Class 'Homo Ludens: Why We Play' combines games, theory, and practice. Students dive into all aspects of humanity in which games play a part and discuss them, both on a theoretical an experiential level: 'Occasionally, you touch upon what play is, but then it eludes you.'

Endangered languages can survive if they are taught properly to new speakers, such as people with a migrant background. This is what Professor by Special Appointment Felix Ameka will say in his inaugural lecture on 30 September. Dutch people can do their bit by being less ‘polite’ to people whose mother…

This summer, political scientist Thijs Vos received the Kaare Strøm prize for his paper ‘Power or Ideology? What structures legislative voting behaviour in Dutch municipal councils, ideology or coalition-opposition dynamics?' He was awarded the prize during the ECPR summer school on parliaments in F…

Esteban Szmulewicz, PhD candidate at the Department of Constitutional and Administrative Law of Leiden University and expert on decentralisation issues, gave an online presentation of his research before the subcommittee on Political System, Constitutional Reform and Form of State in Chile and reported…

The most densely populated country in Africa, Nigeria, is fighting a war on two fronts. Not only is Nigeria being confronted with violence on a national level by terror group Boko Haram, on a regional level there are conflicts between shepherds and farmers.

A circular economy in which all resources are reused is a prerequisite for a sustainable world. As EU president, the Netherlands can give a firm impetus to this economic shift. This is the message of Leiden Professor of Industrial Ecology, Arnold Tukker, in his inaugural lecture on 26 February.

The gripping story of a collective passion for freedom that shook the world.

This book addresses the definition of history and how people are influenced by it.

Political scientists Huib Pellikaan and Niels van Willigen (Leiden University) use and elaborate on the theoretical insights from game theory in order to understand nuclear security in changing environment. Now that the relations between the US and Russia have deteriorated and smaller nuclear states…

Citizens’s attitudes towards trade are not only about the (perceived) economic effect. Commerce also has a variety of security implications. Employing an original experiment, political scientists Matthew DiGiuseppe (Leiden University) and Katja Kleinberg (Binghamton University) demonstrate that security…

Political scientists Rebekah Tromble and Michael Meffert (Leiden University) address the question why certain frames persist over time in the media while others fade away and still others disappear very quickly. They suggest an approach based in event-history methodologies for assessing the causes of…

Holocaust scholars Barbara Engelking and Jan Grabowski will jointly hold the Cleveringa lecture on November 26. They were accused of defamation in Poland for a book they co-edited. How has this affected them? ‘This is an attempt to wear us down.’

Book launch

Political Scientist Gisela Hirschmann (Leiden University) asks how international organisations can be compelled to comply with respect human rights. She finds that this is done through ‘pluralist accountability’: external third parties such as courts, NGOs, or regional organisations holding international…

Citizens in multiple crime-ridden countries strongly support the militarization of security—that is, placing the military in charge of traditional policing duties. Yet, we know little about the determinants of such support. Do people approve of militarization even in the face of human fatalities? Political…

In theory, states can gain security by acquiring internal arms or external allies. Yet the empirical literature offers mixed findings: some studies find arms and allies to be substitutes, while others find them to be complements. Political scientists Matthew Digiuseppe (Leiden University) and Paul Poast…

Dorota Mokrosinska has been Professor of Practical Philosophy since September. High time for a brief introduction about her field and academic interests.

Mayke Kaag has been appointed Professor of the Anthropology of Politics and Governance in Africa at the Institute of Cultural Anthropology and Development Sociology (CADS) on behalf of the African Studies Centre Leiden (ASCL).