Great Sultan of the Arab kingdoms. Al-Nasir Salah al-Din Yusuf ibn Ayyub, better known simply as Salah ad-Din, 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. At the height of his power, his sultanate spanned Egypt, Syria, Upper Mesopotamia (Iraq), the Hejaz (western Arabia), Yemen, parts of western North Africa, and Nubia.

During his tenure as vizier, Saladin began to undermine the Fatimid establishment and, following al-Adid's death in 1171, he abolished the Fatimid Caliphate and realigned the country's allegiance with the Sunni, Baghdad-based Abbasid caliphate.

In the following years, he led forays against the Crusaders in Palestine, commissioned the successful conquest of Yemen, and staved off pro-Fatimid rebellions in Upper Egypt. In 1174, Saladin launched his conquest of Syria, peacefully entering Damascus at the request of its governor. By mid-1175, Saladin had conquered Hama and Homs, inviting the animosity of other Zengid lords, the official rulers of Syria's various regions.

Under Saladin's command, the Ayyubid army defeated the Crusaders at the decisive Battle of Hattin in 1187, and thereafter wrested control of Palestine—including the city of Jerusalem—from the Crusaders, who had conquered the area 88 years earlier.

Saladin died in Damascus in 1193, having given away much of his personal wealth to his subjects. He is buried in a mausoleum adjacent to the Umayyad Mosque. Saladin has become a prominent figure in Muslim, Arab, Turkish and Kurdish culture, and has been described as the most famous Kurd in history.