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About: Thornton Blackburn     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPersonsOfNationalHistoricSignificance(Canada), within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingpersonyago:WikicatAmericanSlavesyago:WikicatBlackCanadianPeopleyago:WikicatCanadianAbolitionistsyago:WikicatUndergroundRailroadPeopleyago:Abolitionist109756637yago:CausalAgent100007347yago:Disputant109615465yago:LivingThing100004258yago:Object100002684yago:Organism100004475yago:Person100007846yago:PhysicalEntity100001930yago:Reformer110515194yago:YagoLegalActoryago:YagoLegalActorGeoyago:Slave110609325yago:Whole100003553yago:WikicatPeopleFromTorontoyago:WikicatPersonsOfNationalHistoricSignificance(Canada) New Facet based on Instances of this Class

Thornton Blackburn (1812–1890) was a self-emancipated formerly enslaved man whose case established the principle that Canada would not return slaves to their masters in the United States and thus established Canada as a safe terminus for the Underground Railroad.