This dynasty's original capital was at Harran and they defeated a force belonging to the Tang Dynasty at the Battle of Talas.
This dynasty's original capital was at Harran and they defeated a force belonging to the Tang Dynasty at the Battle of Talas. One splinter group from this dynasty that ruled Transoxania descended from the Samanid general Alptigin and was known as the Ghaznavid Dynasty. This dynasty was established in a battle in which the forces of Marwan II lost to the army of as-Saffah called the Battle of the (*) Zab. Abd ar-Rahman III established a capital of Cordoba to rival this dynasty. Later, this dynasty was effectively destroyed when their capital was sacked by Hulagu Khan of the Mongol Empire. For 10 points, name this dynasty with its capital in Baghdad that in 750 overthrew the Umayyads.
This dynasty's original capital was at Harran and they defeated a force belonging to the Tang Dynasty at the Battle of Talas.
{Abbasid} Caliphate [accept equivalents for {caliphate} like {empire} or {dynasty}]