Page:Arabic Thought and Its Place in History.djvu/105

 the end of the first century of the Muslim era. There was a general belief that the completion of the century would see the end of existing conditions, just as in Western Europe the year 1000 A.D. was expected to mark the dawn of a new world. Dissatisfaction was at its height, especially in Khurasan, and the disaffected for the most part rallied round the 'Alids.

The 'Alid claims which did so much to overthrow the 'Umayyad dynasty and indirectly led to the bringing forward of the Persian element by which the transmission of Hellenistic culture was most furthered, are best understood by the help of a genealogical table.