The history book of Khalifa Bin Khayyat is considered one of the oldest things that were written in the years, and the sources indicate that the original version of it was lost and did not reach us today except from the narration of Imam Al -Andalusi left bin Mukhallad, and it is the only version circulated in our present time, and the author started by saying: This is the book of history, and in history people knew the matter of their pilgrimage, fasting, and the expiration of the number of their women ...