Explanation
Abbasid caliphate, second of the two great dynasties of the Muslim empire of the caliphate. It overthrew the Umayyad caliphate in 750 ce and reigned as the Abbasid caliphate until it was destroyed by the Mongol invasion in 1258 . ______________________ The Abbasid historical period lasting to the Mongol conquest of Baghdad in 1258 CE is considered the Islamic Golden Age.
