Can international organisations be held responsible for violations of international law by peacekeepers in a peacekeeping operation?

Studying change in the course of human history, in different places, through the lens of a diverse set of core themes; World History for International Studies offers readers a set of windows into different debates historians have been conducting.

This course provides an insider perspective into the work of international criminal courts and tribunals. You will learn about the investigation and prosecution of international crimes in The Hague.

Are you thinking about studying European Union Studies? Learn more and watch the introduction video.

Are you thinking about studying Global Political Economy? Learn more and watch the introduction video.

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

Hoping to learn something about the human brain, Leiden researchers are creating a setup to shoot single photons, particles of light, into someone’s eye. ‘The eye is a passageway to the brain.’

It appears to be a paradox: ultra-thin material that absorbs all the incident light. Nonetheless, it does exist. Two Leiden researchers report on their research in ‘Applied Physics Letters’. The article is among the Top 20 of the most downloaded articles of this reputable journal in May.

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

A new way to decipher the light from distant worlds could give us unmistakable evidence of extraterrestrial photosynthesis, and maybe alien plants, finds astronomy author Colin Stuart in the New Scientist. In his article, he describes the work of the group led by Leiden astronomer Rob van Holstein.…

How do surgeons avoid causing nerve damage or leaving cancerous cells behind? An interdisciplinary research group at the LUMC hopes to improve operations and make them less invasive with the aid imaging techniques. They are working with medical companies to make these techniques widely available.

‘What if we switch off all the lights one evening? That idea crossed my mind from time to time. And when I mentioned it to a taxi driver one day, he said: “Oh, you mean: lights out, stars on!” That’s not completely true, of course, because the stars are always on, but his phrase summed up the idea n…

Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…

On 18 April, Alexandre Tavadian defended the thesis 'The International Civil Service: Redefining Its Independence'. The doctoral research was supervised by Niels Blokker and Brian McGarry.

William Lippert investigates the effect of delegation to an agreement executor on success of conventional arms control agreements in Europe.

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…

Are you interested in international organisations, issues of peace and security, or current changes in global political relations? Would you like to study the causes of terrorism and the resolution of violent conflicts? Develop your scholarship and skills in international affairs in The Hague.

Are you interested in international organisations, issues of peace and security, or current changes in global political relations? Would you like to study the causes of terrorism and the resolution of violent conflicts? Develop your scholarship and skills in international affairs in The Hague.

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. The announcement for the next edition is scheduled to take place…

The Leiden University Centre for International Relations (LUCIR) is a multi-disciplinary platform promoting research and education on international relations at Leiden University.

LUCIS organiseerde op woensdag 4 maart een speciale avond over journalistiek in Irak. Journaliste Judit Neurink en programmamaker Sakir Khader vertelden over hun ervaringen en recente werkzaamheden in het land. De avond stond onder leiding van Wendelmoet Boersema (politiek redacteur van dagblad Trou…

The research programme History and International Studies 1900-Present addresses the interconnections and interdependence of contemporary global political, economic and cultural affairs from a multidisciplinary perspective rooted in the humanities.

The International Day of Light (IDL) celebrates the ubiquitous role light has in our lives. From Argentina to South Africa, Japan and Pakistan, several events have taken place across all continents on May 16. The date is a token for people around the globe to connect with the importance of light in…

Article by Leiden University political scientist Daniel Thomas about shifting norms for membership in international organisations.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

Als vertegenwoordiger behartig je de belangen van promovendi en ReMa-studenten binnen de Onderzoekschool Mediëvistiek. Zo krijg je onder meer de kans om mee te denken over het verbeteren van de onderwijs- en onderzoeksactiviteiten van de onderzoekschool. Interesse? Nog vragen? Neem contact op…

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. The announcement for the next edition is scheduled to take place in January 2025.

We want FGGA to become a place where everyone feels welcome, at ease, and included. The outcomes of last year's personnel monitor and D&I survey show that we are not quite there yet.

Waarom is empirisch-juridisch onderzoek van belang voor de rechtspraktijk en het wetenschappelijke onderzoek? Op die vraag kregen masterstudenten van de afstudeerrichtingen civiel recht, ondernemingsrecht en financieel recht antwoord tijdens het congres over empirisch-juridisch onderzoek en het privaatrecht…

Molecules are extremely hard to see in visible light, especially without using fluorescence. Leiden physicists have now made their optical technique sensitive enough to image the molecules of their interest in all sizes. Publication in Nanoletters.

The documentary Einstein’s Light by director Nickolas Barris shows in a dazzling manner what scientific breakthroughs resulted from the special friendship between Albert Einstein and the Leiden physicist Hendrik Antoon Lorentz. The documentary premiered at the Leiden International Film Festival on 2…

Are you thinking about studying the Advanced LL.M. Public International Law? Learn more and watch the videos.