Throughout the 19th century, enslaved people attempted to escape from the U.S. to the Bahamas, across what became known as the "Saltwater Railroad."

For nearly a century, Quilombo of Palmares was an Afro-Brazilian state, populated and run by people who had freed themselves from slavery.

Historians are giving credence to W.E.B. DuBois's assertion that enslaved workers coordinated a general strike, which helped end the Civil War.

In the 19th century, students at American medical schools stole the corpses of recently-buried African Americans to be used for dissection.

Many abolitionists seeking to end slavery in the British West Indies were concerned less with human rights, more with the preponderance of what they saw as "interracial sex."

After Emancipation, some Southern Protestants refused to revise their proslavery views. In their minds, slavery had been divinely sanctioned.

James Hinds was assassinated for his beliefs, and today is largely forgotten. He stood up for African-American civil rights during the Reconstruction, provoking the KKK's ire.

Russian serfdom and American slavery ended within two years of each other; the defenders of these systems of bondage surprisingly shared many of the same arguments.

The day-long Purim festival was transformed into a week-long carnival in the Dutch Caribbean colonies, as a rowdy celebration of inversion celebrated liberations of all kinds.

Initially, Indian slavery was considered different from African slavery in the early Anglo-American colonial world, but this split didn't last for long.