About: http://webisa.webdatacommons.org/287852175

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 first of May is May Day, the real labor day, the commemoration of the Haymarket Massacre and the fight for an 8-hour day in Chicago ??? an American holiday celebrated everywhere except America.
http://www.w3.org/ns/prov#wasQuotedFrom	apfn.net