The Baghdad Battery is believed to be about 2000 years old (from the Parthian period, roughly 250 BCE to CE 250). The jar was found in Khujut Rabu just outside Baghdad and is composed of a clay jar ...

Narrator: In 762, the city of Baghdad was established by Al-Mansur. The centre was a perfect circle. The round city. By 814, Baghdad was the world's largest city with over one million inhabitants.

Its value as a monument of urban architecture is based on the preservation of the town wall of 1330, its surviving urban relations of the old parishes of St Aegidius, St Blasius, St Benedictus, and St ...