Islamic History and Culture

Kitab Al-Hawi is a comprehensive book of medicine written by Al-Razi, the prominent Muslim Physician. He was also a philosopher, chemist, and a scholar.

Abdur Rahman III became the Emir of Cordova in 912 after the death of Abdullah his grandfather who was the Emir before him. Emir Abdullah has four sons but he chose his grandson Abdur Rahman III as his successor. In the year 929 he assumed the title of Caliph of Cordoba based on the claim that he was descendant of the Umayyad family and that his ancestors were the original Caliphs who were overthrown by the Abbasids. Some of the questions answered previously the date 912 is given. It should be noted that 912 is the year when Abdur Rahman became Emir or Cordoba, he assumed the title of Caliph in 929.