Source Data Reference for:

City = York (UK)
Time = 0

City Year Size Size Comment Year Comment Author Title Location
York71foundedn/ahttp://www.wikipedia.org/eng2011
York71foundedColin McEvedyCities of the Classical Worldp398
York72foundedn/ahttp://en.wikipedia.org/wiki/List_of_cities_by_time_of_continuous_habitationeng2013