Shortly after its founding, this dynasty faced revolts led by the magi Sunpadh and a “veiled” general of a red-clad religious movement. Supporters of this dynasty were called musawidda in reference to this dynasty’s re-adoption of the Black Standard. The rise of this dynasty was supposedly predicted by the recently converted astrologer Naubakht, who also contributed to the (*) round design of its capital. This dynasty, which outlasted the Anarchy at Samarra, ended its rule when Hulegu Khan rolled its last ruler into a carpet and trampled him with horses. During this dynasty, al-Mansur sponsored the translation of ancient Greek texts at the House of Wisdom. For 10 points, name this dynasty that succeeded the Umayyads as caliphs and ruled from Baghdad. ■END■
ANSWER: Abbasid dynasty [or Abbasid Caliphate or al-Khilāfah al-ʿAbbāsiyyah; accept the Abbasid Empire]
<History - World History>
= Average correct buzz position