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The Umayyads and the Abbasids.
Assasination
a group called Abbasid gained support from other Muslims and when the abbasids invited the umayyads over for dinner and a meeting the abbasids left the room leaving the umayyads to be assassinated
no the umayyads ruled damascus as there capital the abbasids took Baghdad as there capital...
The Abbasids took control
the abbasids defeated the umayyads in the battle of the great zab in ad 750.they did this because the umayyads started ruling like kings.they started hunting and dancing and only kept the Arabs in the top position.they also made non-Arab Muslims pay more taxes than them.people became unhappy with the umayyads and that is why the abbasids started the war.
They built a strong bureaucracy and huge standing army.
The Abbasids were an Arab dynasty descended from Abbas, uncle of Muhammad, who supplanted the Umayyads in ad 750.
The Abbasids fell to an ambush of the mongols; while Umayyads fell to economics.
Baghdad and Cordoba were the two centres of great learning during the Caliphate of Abbasids and Umayyads.
Umayyad dynasty ruled from 661 to 750. The Abbasid dynasty rose to power in 750 through 813. Then the Empire became fragmented, but the Abbasid dynasty survived as a weaker and weaker state until 1258 C.E.
Yes because the Rashidun Caliphate started at 632 AD and ended in 661 AD so the Umayyad caliphate started and the Umayyad caliphate ended in 749 AD so the Abbasid Caliphate start....