Question

In which century did the power Abbasid Caliphs decline?​

Answer 1

Answer:

In the 11th century

Explanation:

In the 11th century, the loss of respect for the caliphs continued, as some Islamic rulers no longer mentioned the caliph's name in the Friday khutba, or struck it off their coinage. The political power of the Abbasids largely ended with the rise of the Buyids and the Seljuq Turks in 1258 CE.

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Answer 2

Answer:

ʿAbbasid 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 name is derived from that of the uncle of the Prophet Muhammad, al-ʿAbbās (died c.