The flag first adopted by the protesters who in ... white is for the Umayyad dynasty and black is for the Abbasids, who ruled over their empire from around 750 AD until the mid-13th century.

Gadara, located some 120 km northwest of Amman (Photo courtesy of ACOR) AMMAN — The Abbasid presence at Gadara (modern Umm Qais) was mentioned in the works of Arab mediaeval geographers and scholars.