In 1859 John Brown seized a federal armory at Harpers Ferry, Virginia, but failed to incite a revolution. Authorities found a link between Brown and Frederick Douglass.
Harriet Beecher Stowe made millions of Americans see slavery through the eyes of its victims.
John Brown put little stock in abolition through peaceful means. In 1855, he headed to the slave state of Kansas.
In 1833, Frederick Douglass was sent to a slave breaker to be beaten back into submission.