Anti-Semitism based on the notion of a Jewish world conspiracy is not rooted in Islamic tradition but, rather, in European ideological models. The decisive transfer of this ideology to the Muslim world took place between 1937 and 1945 under the impact of Nazi propaganda. Important to this process were the Arabic-language service broadcast by the German shortwave transmitter in Zeesen between 1939 and 1945, and the role of Haj Amin el-Husseini, the Mufti of Jerusalem, who was the first to translate European anti-Semitism into an Islamic context. Although Islamism is an independent, anti-Semitic, antimodern mass movement, its main early promoters...