About: http://webisa.webdatacommons.org/337199770

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	From 800 to 1300 AD it was hotter again, melting the sea ice, allowing Vikings and other groups to cross oceans and colonize lands; it is referred to as the Medieval Warm Period.
http://www.w3.org/ns/prov#wasQuotedFrom	didyouknow.org