About: http://webisa.webdatacommons.org/385073552

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 half of the twentieth century witnessed a wave of migration mainly from Europe to the New World, as well as considerable shifts of population within Europe.
http://www.w3.org/ns/prov#wasQuotedFrom	unhchr.ch