This city gives its name to the contents inside a terracotta pot which suggests the first electrochemical cell, called this city's namesake "battery."
According to Marco Polo, one ruler of this city converted to Christianity after he sarcastically asked this city's Christians to move a mountain, which they successfully did. Under this city's ruler of Al Ma'mum, the Greek classics were translated into Arabic in this city's House of Wisdom. This city gives its name to the contents inside a terracotta pot which suggests the first electrochemical cell, called this city's namesake "battery." In 1258, the Mongols led by Hulagu Khan sacked this capital city of the Abbasids. In modern times, the Coalition Provisional Government established the Green Zone in this city. For 10 points, name this modern-day capital of Iraq.
According to Marco Polo, one ruler of this city converted to Christianity after he sarcastically asked this city's Christians to move a mountain, which they successfully did.
Baghdad