30 Jul 762 AD
Founded on 30 July 762 by the Abbasid dynasty, at the request of the caliph al-Mansur. The goal was to replace Harran as the seat of the caliphal government; however, a city of Baghdad is mentioned in pre-Islamic texts, including the Talmud, and the Abbasid city was likely built on the site of this earlier settlement.
Zumurrud Khaton tomb in Baghdad,1932
Baghdad eclipsed Ctesiphon, the capital of the Persian Empire, which was located some ...