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Ahmad Kasravi was assassinated on 11 August 1946 in Tehran. Kasravi was an Iranian historian, writer, philosopher, and critic of the Shi'a clergy. He was assassinated by members of the Fedaiyan-e Islam organization, who believed that Kasravi's views were blasphemous and harmful to Islam. The assassination of Kasravi was a significant event in Iranian history, and it contributed to the growth of secularism in Iran.