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1808
United States bans slave trade importing African slaves is outlawed but smuggling continues. -
1820
Missouri Compromise Missouri is admitted to the Union as a slave state, Manie as a free state. Slavery is forbidden in any subsequent territories north of latitide. -
1822
Slave revolt: South Carolina freed slave denmark vesey attempts a rebellion in Charleston. Thrity-five participants in the ill-fated uprising are hanged. -
1831
Slave Revolt: Virginia Slave preacher Nat Turner leads a two-day uprising against whites, killing about 60. Militiamen crush the revolt then spend two months searching for turner, who is eventually caught and hanged. Enraged Southerners impose harsher restrictions on their slaves. -
1835
Censorship Southern states expel abolitionists and forbid mailing of anti slavery propaganda. -
1846-48
Mexican- American war defeated, Mexico yields an enormous amount of territory to the United Staes. Americans then wrestle with a controversial topic: Isn slavery permitted in the new lands? -
1847
Frederick Douglass's newspaper escaped slave frederick douglass begins publishing the north star in rochester, New York -
1849
Harriet Tubman Escapes After fleeing slavery, Tubman returns south at least 15 times to help rescue several hundred others. -
1850
Compromise of 185 in exchange for California's entering the union as a free state, northern congressmen accept a harsher fugitive slave act. -
1852
Uncle tom's cabin published harriet beecher stowe's novel about the horrors of slavery sells 300,00 copies within a year of publication -
1854
Kansas-Nebraska act setting aside the missouri compromise of 1820, Congress allows these two new territories to choose whether to allow slavery. Violent clashes erupt. -
1857
Dred Scott Decision the united states supreme court decides seven to two that blacks can never be citizens and that congress has no authority to outlaw slavery in any territory. -
1860
Abraham Lincoln of Illinois becomes the first Republican to win the united states Presidency. -
1860
Southern Secession South Carolina seceds in December. More states follow the next year. -
1861-65
United States civil war four years of bruial conflict claim 623,00 lives. -
1863
Emancipation Proclamation President Abraham Lincoln decrees that all slaves in Rebel territory are free on January 1, 1863 -
1865
Slavery Abolished the 13 Amendment to the United States Constitution outlawed slavery.