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.

*********

Remember Tips

یاد کرنے کے لیے

1. Rashidin -30 years
2. Umayyad -100 years
3. Abbasid - 500 years
4. Ottoman Empire - 600 years