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In page History of the Netherlands:

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* Another murder that caused great upheaval took place on 2 November 2004, when film director and publicist Theo van Gogh was assassinated by a Dutch-Moroccan youth with Islamic extremist views, because of Van Gogh's alleged blasphemy. One week later, several arrests were made of several would-be Islamic terrorists, who have later been found guilty of conspiracy with terrorist intentions, this verdict was however reversed on appeal. All this sparked a debate on the position of Islamic extremism and of Islam generally in Dutch society, and on immigration and integration. The personal protection of most politicians, especially of the Islam critic Ayaan Hirsi Ali, was stepped up to unprecedented levels.