On 26 November 1940 Rudolph Pabus Cleveringa (1894-1980) gave his now famous protest speech.

The Cleveringa chair was installed by Leiden University in memory of Professor Rudolph Pabus Cleveringa and the courage he demonstrated in November 1940 during the German occupation . It also commemorates the liberation of the Netherlands in 1945.

In the fall of 2021, Cleveringa professor Roméo Dallaire and world experts shared their thoughts about PTSD, children’s rights, war crimes, humanitarian law, and peacekeeping in a series of conversations about leadership and moral dilemma during times of conflict and crisis.

World War II is never over for those who have lived through it. This is the conclusion of Cleveringa Professor Carol Gluck and her students after reading The Assault (De Aanslag) by Harry Mulisch. The book played a central role in Gluck’s honours course.

Michael Ignatieff, Canadian author, university professor and former politician, has been appointed Cleveringa Professor for the 2013-2014 academic year at Leiden University, the Netherlands. Professor Ignatieff will deliver the Cleveringa lecture on 26 November 2013.

Joanne Liu, International President of Médecins Sans Frontières, is the Cleveringa professor for the 2016-2017 academic year. She will deliver the annual Cleveringa lecture on 25 November.The day before this she will give an extra lecture for students and staff on Ebola.

The American historian and Japan specialist Carol Gluck is the new Leiden Cleveringa professor for the 2014–2015 academic year. On 26 November 2014 she will give the Cleveringa inaugural lecture, in which she will examine how World War II is commemorated in Asia.

Cleveringa professor Joanne Liu, international president of Artsen Zonder Grenzen, will give an extra lecture on 24 November. The subject will be how the Ebola crisis was tackled. The Cleveringa lecture itself, on help to refugees, will be held on 25 November.

'I belong here.' This is what the young Jewish law student Hetty Koster felt when she attended the memorable protest speech given by Professor Cleveringa on 26 November 1940. She managed to survive the war by going into hiding. She married Dolf Cohen, later Rector Magnificus of Leiden University, and…

Two Cleveringa books from Theo ten Kate's law library were donated to Leiden University by grandson Sebastiaan ten Kate on 24 November. They are the dissertations of W. Hugenholtz and J.G.L Röder, both PhD students of Rudolph Cleveringa. Ten Kate: 'The University is the right place for the books. Here,…

He is primarily known for his protest speech against the dismissal of his Jewish teacher Eduard Meijers, but who was the man behind this iconic figure? This is the subject of the travelling exhibition 'On the trail of Professor Rudolph Pabus Cleveringa’. The exhibition can be seen from 16 January to…

Cleveringa Professor Roméo Dallaire led the UN peacekeeping mission in Rwanda in 1994, but was unable to prevent a genocide from unfolding before his very eyes. Eight hundred thousand people lost their lives. In his Cleveringa Lecture on 26 November, this retired Lieutenant-General from Canada speaks…

What can we learn from Cleveringa’s courageous protest speech? ‘Without imagination and a strong community, people do not stand up for one another,' says Cleveringa Professor Michael Ignatieff in his lecture on 26 November.

Amid rising polarisation and discrimination, lawyer and human rights activist Lilian Gonçalves-Ho Kang You wants to show in her Cleveringa Lecture on 26 November how dangerous exclusion is.

Lawyer and human rights activist Lilian Gonçalves-Ho Kang You is the new Cleveringa professor.

Gert Oostindie, Emeritus Professor of Colonial and Postcolonial History, is this year’s Cleveringa Professor at Leiden University. He was appointed by the University on 4 October. In his inaugural lecture on 24 November, entitled Courage and Disregard, he will talk about (academic) freedom in relation…

On 26 November 2014 Prof. Dr. Thomas Bäck gives the Cleveringa lecture at the University of Calgary in Canada entitled: Innovation: Can we use principles of evolution to guide it?

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.

Canadian Roméo Dallaire (1946) was UN Commander in Rwanda at the time of the genocide there, subsequently becoming a champion of human rights. He has worked as a researcher at several different universities, and was a senator in Canada for nine years. Dallaire will give this year's Cleveringa lecture…

The world let Rwanda down at the time of the genocide, and that can never be allowed to happen again, Cleveringa Professor Roméo Dallaire declared in his lecture on 26 November. Dallaire, a retired Canadian Lieutenant-General, also called for more attention to be paid to soldiers suffering the effects…

All Leiden alumni, students and anyone else who might be interested is welcome to attend the online Cleveringa Meeting in Leiden on Wednesday 25 November entitled 'The Corrosion of International Relations'.

German historian Katja Happe is the new Cleveringa Professor at Leiden University. She will give the Cleveringa Lecture on 26 November 2019. She conducts research into the persecution of the Jews in the Netherlands, and wrote the critically acclaimed book 'Veel valse hoop' (Much False Hope).

Frank van Vree, Emeritus Professor of War, Conflict and Memory Studies at the University of Amsterdam (UVA), is the new Cleveringa Professor at Leiden University this year.

In his biography about Professor Rudolph Cleveringa, Kees Schuyt adds to the image we already have of this famous Leiden professor. The overriding focus is generally on Cleveringa’s protest speech against the Nazis, while his later Resistance work carried much greater risks. And we also shouldn't forget…

The French political theorist Hélène Landemore has been appointed as the new Cleveringa Professor. She will deliver her inaugural lecture on 26 November.

Historian Marjan Schwegman is the new Cleveringa Professor. Her lecture on 27 November will focus on Eduard Meijers, the Jewish professor who was dismissed by the Nazis. Schwegman's previous posts include Director of the NIOD Institute for War, Holocaust and Genocide Studies.

Almost 81 years after his famous protest speech against the German occupation, Leiden professor Rudolph Pabus Cleveringa will be remembered in his Groningen birthplace of Appingedam. A statue of him will be unveiled there on 12 November amid various other activities.

Collaboration within Europe is currently at a low ebb. This is threatening to undermine our freedom and the rights that are anchored in the European legal order, says Piet Hein Donner, Vice-President of the Council of State and Cleveringa professor at Leiden University for 2015. His lecture on 26 November…

‘If we all possessed just an ounce of Cleveringa, then all would be well in the world,’ said Professor Leo Lucassen. In the Cleveringa debate on the line between free speech and threatening speech he called for ‘more guts’. He is not the only one who thinks this is badly needed if the debate at the…

Hiltje Cleveringa seemed moved when on 16 January she was given the first copy of the biography of her father, Rudolph Cleveringa. Peppering his speech with a few cliff-hangers – including an incident concerning Churchill – biographer Kees Schuyt encouraged his audience to actually go read his book.

On 12 December, GTGC's Chair, Prof. Jan Aart Scholte delivered the Cleveringa Lecture in Istanbul.

Interdisciplinary Approaches to Disability: The MENA Region in the Modern Period Cairo 25-26 November 2018

On 26 November 1940 Professor Cleveringa held his courageous speech protesting against the dismissal of his Jewish colleague, Professor Meijers. Cleveringa was arrested and the university was closed. Every year the university honours Cleveringa with a chair and meetings throughout the world.

Like every year, the NVIC with the support of the Netherlands Embassy in Cairo, organised a Cleveringa lecture to commemorate the courageous speech by Professor Rudolph Cleveringa on the 26th of November in 1940, in which he protested the 'Berufsverbot' imposed on his Jewish colleagues by the Nazi…

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.’

On Friday 25 November 2016 the daughter of Professor Cleveringa, Mrs Ten Kate-Cleveringa, presented Leiden Law School with a magnificent bronze bust sculpture of her father.

Chris Jacobs, former PhD-student of the IBL, received the national “Dissertation Award” for best PhD thesis of the year on insects. The award was handed out last Friday, the 18th of December, by Professor Matty Berg, president of the Dutch Entomological Society.

On 26 November 1940, Professor Cleveringa – at the time the Dean of Leiden Law School – spoke out in protest against the decision of the Nazi Occupying Powers to dismiss Jewish academics. Every year Leiden University appoints a professor as rotating Cleveringa Chair, whose task, amongst others, is to…

The annual commemoration of the nation’s war dead on Dam Square and at Waalsdorpervlakte, the Dutch apologies for historical slavery and the Cleveringa Lecture itself: our relationship with history is often ritualistic, Cleveringa Professor Frank van Vree will say in his inaugural lecture on 27 Nove…

In Poland the commemoration of acts of resistance is being misused to distort the history of the Holocaust. That is what Cleveringa Professor Jan Grabowski said in his inaugural lecture on 26 November. In her lecture, the second Cleveringa Professor, Barbara Engelking, pointed to the often indifferent…