About: http://webisa.webdatacommons.org/279902015

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	Before that the world was a different place, but the known-world peace keepers included Rome and their empire, China and their empires, Mongolia and their empire, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	gamedev.net