About: http://webisa.webdatacommons.org/256282713

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	Calendars through the Ages Did you know that the calendar you use every day is a tool he is gone through many changes over thousands of years?
http://www.w3.org/ns/prov#wasQuotedFrom	ipl.org