The Round City of Baghdad is the original core of Baghdad, built by the Abbasid Caliph al-Mansur in 762–766 CE as the official residence of the Abbasid court. Its official name in Abbasid times was City of Peace (Arabic: مدينة السلام, romanized: Madīnat as-Salām). The famous library known as the House of Wisdom was located within its grounds. == Description == According to Ya'qubi, the plans for the city were drawn up, but it was not until 2 August 762 that construction began, under the super…