PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From that day forward (starting in 1891 in Russia, by 1920 including China, and 1927 India) workers throughout the world began to celebrate the first of May as a day of international proletarian solidarity, fighting for the right of freedom to celebrate their past and build their future without the oppression and exploitation of the capitalist state.
http://www.w3.org/ns/prov#wasQuotedFrom
  • marxists.org