The history of Islam concerns the political, social, economic, militar

Yusuf ibn Ayyub ibn Shadi, better known by his epithet Saladin was a Sunni Muslim Kurd who became the first sultan of both Egypt and Syria, and was the founder of the Ayyubid dynasty. Saladin led the Muslim military campaign against the Crusader states in the Levant. He was an important figure in the Third Crusade.