Nat Turner, an enslaved Baptist preacher believing himself divinely inspired, leads a violent rebellion in Southampton, Virginia. At least 57 whites are killed.
Virginia passes a law enforcing prohibitions against slaves congregating for religious service at night, regardless of whether black or white preachers hold those services.
Alabama removes restraints on interstate slave trade.
Kentucky forbids residents from buying and importing slaves.
Britain abolishes slavery in all of its colonies, effective the following year.
Philadelphia, Pennsylvania, hosts the 1st American Anti-Slavery Society Convention.
Louisiana removes restraints on the interstate slave trade.
Both New York City and Philadelphia, Pennsylvania, experience riots against blacks and anti-slavery advocates. Anti-abolition riots subsequently break out in major cities across the Northeast.
In the Second Seminole War, blacks again fight alongside Native Americans in opposition to U.S. forces.
Texas wins independence from Mexico and legalizes slavery. Free blacks and mulattos are forbidden from entering the state.
Both North and South Carolina make formal requests to other states to suppress abolition societies and anti-slavery literature.
Virginia, Georgia, and Alabama request that other states suppress abolitionist activities.
Faced with a deluge of abolitionist petitions, the U.S. House of Representatives adopts a "gag rule" by which abolitionist materials are automatically tabled. The rule is renewed numerous times.