Mashhad
population is about 2,300,000 .Holey shrine of Imam Reza,eight
imam of the Shiite Muslims is in Mashhad.Imam reza passed away
in 818 A.D.The Shiite Muslims believe that he was poisoned and
martyred on the order of Abbasi Caliph therefore his martyrdom
venue was called Mashhad(place of martyrdom).In 203/818, or as some people believe, in 202/817 Imām Rid,ā(A.S.) was martyred in Tūs. His sacred body was buried near Hāroon’s tomb in the garden of H,amīd Ibn Gah,t,abah. The first Shrine was the same one that belonged to Hāroon al-Rashīd, over which in later times a new Shrine was built and its name was changed from Tūs to Mashhad al-Rid,ā. In the year of 400H. a new Shrine and a minaret were added to it.