Though little remembered in the west today, the Abbasids reigned for five centuries. They oversaw an era of Islamic military dominance... city-building… brilliant scholarship, and technological ...

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.