About: http://webisa.webdatacommons.org/321995923

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	TextThe Gregorian calendar has a 400-year cycle until it repeats the same weekdays for every year???February 29, 2008, is a Friday and February
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com