Source Data Reference for:

City = Kaliningrad
Time = 1850

City Year Size Size Comment Year Comment Author Title Location
Kaliningrad1850 76,000Paul BairochLa population des villes europeennes de 800 a 1850
Konigsberg1850 76,000Tertius ChandlerFour thousand years of urban growthp24
Kaliningrad1858 81,800n/aGothaischer Hofkalender
Konigsberg1866 100,000passed for the 1st timeTertius ChandlerFour thousand years of urban growthp542