About: http://webisa.webdatacommons.org/192850706

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	The 1970s saw the game spreading to the Eastern European nations, mainly the Soviet Union, Poland
http://www.w3.org/ns/prov#wasQuotedFrom	clearleadinc.com