About: http://webisa.webdatacommons.org/281402890

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	There are free quizzes about individual countries, the States, the world, major wars such as World War I and World War II, royal families and monarchies, famous people such as inventors and explorers and discoverers.
http://www.w3.org/ns/prov#wasQuotedFrom	challengethebrain.com