About: http://webisa.webdatacommons.org/26525201

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Historically, up until very recently, large drops in population of urban centers have been associated with catastrophes such as wars, fire, or plagues.
http://www.w3.org/ns/prov#wasQuotedFrom	theamericanconservative.com