Source Data Reference for:

City = Baghdad
Time = 600

City Year Size Size Comment Year Comment Author Title Location
Ctesiphon500 400,000George ModelskiWorld Cities -3000 to 2000p55
Ctesiphon500 400,000Tertius ChandlerFour thousand years of urban growthp465
Ctesiphon500becomes largest in the world overtaking ConstantinopleTertius ChandlerFour thousand years of urban growthp525
Ctesiphon528 36,000"btw 23,000 and 49,000"Colin McEvedyThe New Penguin Atlas of Medieval History ISBN 0-14-051249-7
Ctesiphon570becomes largest in the world overtaking ConstantinopleTertius ChandlerFour thousand years of urban growthp527
Ctesiphon575 500,000Tertius ChandlerFour thousand years of urban growthp525
Ctesiphon600 500,000George ModelskiWorld Cities -3000 to 2000p55
Ctesiphon622 500,000Tertius ChandlerFour thousand years of urban growthp531
Ctesiphon622 500,000Tertius ChandlerFour thousand years of urban growthp466
Ctesiphon622 500,000Tertius ChandlerFour thousand years of urban growthp522
Ctesiphon637falls to ArabsTertius ChandlerFour thousand years of urban growthp525