Harun al Rashid
Harun alRashid was the fifth Abbasid Caliph. His birth date is debated, with various sources giving dates from 763 to 766. His surname translates to the Just, the Upright, or the RightlyGuided fully translated, his name means Aaron the Just. AlRashid ruled from 786 to 809, during the peak of the Islamic Golden Age. His time was marked by scientific, cultural, and religious prosperity. Islamic art and music also flourished significantly during his reign. He established the legendary library Bayt alHikma in Baghdad in presentday Iraq, and during his rule Baghdad began to flourish as a center of knowledge, culture and trade. During his rule, the family of Barmakids, which played a deciding role in establishing the Abbasid Caliphate, declined gradually. In 796, he moved his court and government to ArRaqqah in presentday Syria.
Hrn was born in Rey, then part of Jibal in the Abbasid Caliphate, in presentday Tehran Province, Iran. He was the son of alMahdi, the third Abbasid caliph , and alKhayzuran, a former slave girl from Yemen, who was a woman of strong personality and who greatly influenced affairs of state in the reigns of her husband, mother and sons.
Source: Wikipedia