Al Jazeera tells the story of the 1,300 year struggle for the caliphate, providing a fascinating insight into how the first caliphs of Islam built and expanded their empire.
Part 1: Foundation
How the first Caliphs of Islam built and expanded the Islamic state, then took on the mighty empires of Persia and Byzantium.
Part 2: Division
Looks at the Sunni-Shia divide, and how this split arose from a dispute over who should succeed the Prophet Muhammad.
Part 3: Decline
Looks at the rise and fall of different dynasties – ending with the decline of the Ottoman caliphate.