What was the first city with over a million people?
Baghdad (Iraq) was the world's first city to contain more than a million people. It was the world's largest city from the years 775-935.After the middle ages, the millionth city didn't occur until early 19th century London. London was also the first urban area to reach a population of over 5 million.
Babylon also deserves distinction for being the first city to reach 200,000 people, in approximately 612 B.C.E.

