It fought against the Chinese at the Battle of the Talas River, and the Zanj Revolt disturbed the region around Basra during this dynasty.
One ruler of this dynasty suppressed the Barmakid family, a Persian clan which had accumulated power. It fought against the Chinese at the Battle of the Talas River, and the Zanj Revolt disturbed the region around Basra during this dynasty. This dynasty later split into several smaller states including the Idrisids and Aghlabids. It had attained power after winning the Battle of the Great Zab River over Marwan II. Its scientists included Khwarizmi and Alhazen, and it was ruled by Harun ar-Rashid. It was attacked by the Mongols, leading to the destruction of Baghdad. For 10 points, name this Islamic caliphate which succeeded the Umayyad.
One ruler of this dynasty suppressed the Barmakid family, a Persian clan which had accumulated power.
{Abbasid} Caliphate or Dynasty [accept {Abbasids}]