Matthew Arnold adapted a legend from this area in which Sohrab is killed by his father Rostam, which appears in a national epic translated Book of Kings.
One ruler of this region kidnapped the sitting Roman emperor Valerian in battle. A poet used this region's language to describe a reed pipe torn from an osier-bed in six books of Spiritual Couplets. Matthew Arnold adapted a legend from this area in which Sohrab is killed by his father Rostam, which appears in a national epic translated Book of Kings. The Sassanids were a dynasty of this region, where "a jug of wine, a loaf of bread, and thou" were written into the quatrains of the Rubaiyat by Omar Khayyam. For 10 points, name this historical carpet-making region whose ruler, the shah, was deposed in 1979 by an Islamic Republic.
One ruler of this region kidnapped the sitting Roman emperor Valerian in battle.
Persia [or Iran; or Fars]