About: http://webisa.webdatacommons.org/411528397

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 Earth Day i.e. April 22 is the day on which the modern Environmental movement had started in 1970.
http://www.w3.org/ns/prov#wasQuotedFrom	ecosensorium.org