Source Data Reference for:

City = Vaishali
Time = -500

City Year Size Size Comment Year Comment Author Title Location
Vaishali-500foundedn/ahttp://en.wikipedia.org/wiki/List_of_cities_by_time_of_continuous_habitationeng2013
Vaishali-430 45,000Tertius ChandlerFour thousand years of urban growthp461
Vaishali-400 100,000George ModelskiWorld Cities -3000 to 2000p45
Vaishali-300 200,000George ModelskiWorld Cities -3000 to 2000p45