Source Data Reference for:

City = Baghdad
Time = -500

City Year Size Size Comment Year Comment Author Title Location
Seleucia-320 300,000"surpassed 300,000"Tertius ChandlerFour thousand years of urban growthp524
Seleucia-310 100,000passed for the 1st timeTertius ChandlerFour thousand years of urban growthp541
Seleucia-300 100,000George ModelskiWorld Cities -3000 to 2000p55