It was surrounded by two tiers of walls, and two of its fourgates led to Kufa and Khorasan.
A hospital was built in this city by Adud al-Dawla during a struggle between the Shia-backedBuyids and the puppet Sunni ruler al-Tai. It was surrounded by two tiers of walls, and two of its fourgates led to Kufa and Khorasan. This city fell when a vizier advised defending it by having womenand children throw stones at attackers. During that battle the ink from its destroyed House ofWisdom turned a nearby river black. After its capture, this city's ruler was (*) wrapped in a carpetand trampled to death to avoid shedding royal blood. The death of that ruler, al-Mustasim, heralded thestart of the Ilkhanate after Hulagu Khan sacked this city in 1258. For 10 points, name this capital of theAbbasids and center of medieval Islam, a metropolis on the Tigris River.
A hospital was built in this city by Adud al-Dawla during a struggle between the Shia-backedBuyids and the puppet Sunni ruler al-Tai.
Baghdad