1619 The first African slaves
arrive in Virginia. (Twenty Africans arrive at Jamestown,
Virginia aboard a Dutch ship). (See Slave Trade, Slavery, and Early Antislavery.)
1645 First African slave
ship, the 'Rainbowe', sets sail.
1663 First major African
revolt against slavery in Gloucester, Virginia.
1688 Quakers in Philadelphia make first protest against slavery.
1712 African revolt against
slavery in New York.
1712 Pennsylvania passes law preventing importation of slaves.
1739 Major African revolt
in Stono, South Carolina.
1741 African revolt in New York City.
1775 African soldiers fight
in battles of Bunker Hill, Concord and Lexington.
1777 Vermont becomes first state to abolish slavery.
1787 Northwest Ordinance
prohibits slavery in the Northwest Territories.
1787 U.S. Constitution is drafted.
1788 U.S. Constitution is officially
ratified by the signing of New Hampshire on June 21, 1788, thus extending slavery. (See Constitution of the United States of America.)
1789 U.S. Constitution officially
replaced the Articles of Confederation on March 4, 1789, when the first Federal Congress assembled in New York.
1793 Eli Whitney's invention of
the cotton gin greatly increases the demand for slave labor.
1793 A federal fugitive slave
law is enacted, providing for the return slaves who had escaped and crossed state lines.
1800 Africans in Philadelphia petition Congress to end slavery.
1804 Ohio 'Black Laws' prevent movement of Africans.
1808 U.S. prohibits importation
of Africans for slavery.
1811 Africans revolt in
Louisiana.
1820 The Missouri Compromise bans slavery north of the southern boundary of Missouri.
1822 Denmark Vesey, an enslaved
African American carpenter who had purchased his freedom, plans a slave revolt with the intent to lay siege on Charleston, South Carolina. The plot
is discovered, and Vesey and 34 co-conspirators are hanged.
1831 Nat Turner, an enslaved African
American preacher, leads the most significant slave uprising in American history. He and his band of followers launch a short,
bloody, rebellion in Southampton County, Virginia.
The militia quells the rebellion, and Turner is eventually hanged. As a consequence, Virginia
institutes much stricter slave laws.
1831 William Lloyd Garrison
begins publishing the Liberator, a weekly paper that advocates the complete abolition of slavery. He becomes one of the most
famous figures in the abolitionist movement.
1839 Cinque leads African
revolt aboard the ship 'Amistad'.
1841 Africans revolt aboard
the ship 'Creole' and flee to Bahamas.
1846 The Wilmot Proviso,
introduced by Democratic representative David Wilmot of Pennsylvania,
attempts to ban slavery in territory gained in the Mexican War. The proviso is blocked by Southerners, but continues to enflame
the debate over slavery.
1849 Harriet Tubman (see Abolitionists) escapes from slavery and becomes one of the most effective and celebrated leaders
of the Underground Railroad.
1850 The continuing debate whether
territory gained in the Mexican War should be open to slavery is decided in the Compromise of 1850 (includes the Fugitive Slave Act of 1850): California is admitted as a free
state, Utah and New Mexico territories are left
to be decided by popular sovereignty, and the slave trade in Washington,
D.C., is prohibited. It also establishes a much stricter fugitive slave law than
the original, passed in 1793.
1852 Harriet Beecher Stowe's novel,
Uncle Tom's Cabin is published. It becomes one of the most influential works to stir anti-slavery sentiments.
1854 Congress passes the Kansas-Nebraska Act, establishing the territories of Kansas and Nebraska.
The legislation repeals the Missouri Compromise of 1820 and renews tensions between anti- and proslavery factions.
1854 Violence erupts in Kansas;
commonly referred to as Bleeding Kansas or the Border War.
1856 Senator Charles Sumner
delivers a stinging speech in the U.S. Senate, "The Crime against Kansas," in which he attacks slavery, the South, and singles
out his Senate colleague, Andrew Butler of South Carolina, for criticism. In retaliation, Butler’s nephew, Congressman
Preston Brooks of South Carolina, attacks Sumner with a cane while the Massachusetts senator is seated at his desk on the
floor of the Senate. The injuries he sustains cause Sumner to be absent from the Senate for four years.
1857 The Dred Scott Case holds that Congress does not have the right to ban slavery in states and, furthermore, that slaves are not U.S. citizens.
1859 John Brown and 21 followers capture the federal arsenal at Harpers Ferry, Va.
(now West Virginia.), in an attempt to launch a slave revolt.
1860 Kentucky Senator John Crittenden
proposes six amendments to the U.S. Constitution. The amendments, contained in the Crittenden Compromise, specifically addressed slavery.
1863 President Abraham Lincoln
signs the Emancipation Proclamation. (Lincoln, however, initially signed the Preliminary Emancipation Proclamation in 1862.)
1865 Robert E. Lee surrenders
at Appomattox.
1865 Thirteenth Amendment abolishes slavery.
1865 Reconstruction Era begins.
It introduces a series of laws, codes, amendments, and acts (Reconstruction Era and Acts 1865-1877). Although African Americans received U.S. citizenship with the ratification of the Fourteenth Amendment in 1868, America's Indigenous peoples, aka Native Americans, were not U.S. citizens until the Indian Citizenship Act of 1924.