About: http://webisa.webdatacommons.org/219926930

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	As those who witnessed it understood, this demonstration would change the world.For thousands of years messages had been limited by the speed messengers could travel and the distance eyes could make out signals, such as flags or smoke.
http://www.w3.org/ns/prov#wasQuotedFrom	americanheritage.com