Abbasid Caliphate


 * Capital at Baghdad
 * Sacked by Hulagu Khan
 * Succeeded Umayyads
 * Harun al-Rashid was the most famous ruler
 * Established House of Wisdom
 * Gave an elephant to Charlemagne
 * After sacking, it fractured into the Fatimids and the Almohads
 * Formed following a victory at the Battle of Zab
 * Their miltary force stopped Tang expansion under Xuangzong at the Battle of Talas
 * Mercenaries were sent to aid their An Shi Revolt