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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	A Canadian historian William McNeill has noted in his book ???Plagues and Peoples??? that the Roman Empire had suffered from epidemics such as small pox, measles and plague, which had ultimately killed about half of its population.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com