About: http://webisa.webdatacommons.org/313207262

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	This remapping might be confusing for human and machine, but using Gregorian dates still makes sense, especially since the text is about Russia introducing the Gregorian calendar.
http://www.w3.org/ns/prov#wasQuotedFrom	quirksmode.org