American Civil War/Timelines
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The timeline of causes of the American Civil War stretched back 75 years. Whether the sequence of causes made the war inevitable is still debated by historians.
1787: Northwest Ordinance bans slavery in the Northwest Territory; makes Ohio River the boundary between free and slave territory between the Appalachian Mountains and the Mississippi River. Mason and Dixon line remains the dividing line in east.
1790: Slave population in Federal Census: 698,000
1798: The Kentucky and Virginia Resolutions are written by Thomas Jefferson and James Madison, and are passed by the two states in opposition to the Federal Alien and Sedition Acts.
1799: New York state enacts gradual abolition of slavery
1801: Gabriel Plot frightens whites in Virginia who believe there was plot for slave uprising
1804: New Jersey enacts gradual abolition of slavery, the final northern state to do so
1808: Congress outlaws the international slave trade. U.S. Navy and British Royal Navy enforce the prohibition. Some 250,000 slaves were smuggled in anyway before 1860. Some smugglers are caught and executed.
1816: American Colonization Society formed to send freed slaves to Liberia. About 12,000 are sent. Society led by James Monroe, Henry Clay and other prominent slaveowners
1820:
1822: Denmark Vesey frightens whites in South Carolina, who believe there was plot for slave uprising
1828: John C. Calhoun's South Carolina Exposition and Protest propounds nullification doctrine saying a state can nullify a federal law. Calhoun threatens secession over tariffs that aid new industries in North. In 1840, Calhoun states that "It is our duty to force the issue [of slavery] on the North. Had the South, or even my own State, backed me, I would have forced the issue on the North in 1835." [1] Calhoun also objected to the use of taxes and tariffs collected in one state being used for internal improvements to another state. [[2]]
1829: Black abolitionist David Walker issues Appeal to the Colored Citizens of the World calling on slaves to revolt; none revolt.
1830: Daniel Webster delivers a memorable Reply to Hayne on January 27, denouncing the notion that Americans must choose between liberty and union. "Liberty and Union, now and forever, one and inseparable!" he cries.
1831:
1832: President Andrew Jackson threatens force to end threats of secession in South Carolina caused by the Nullification Crisis.
1833:
1834: Anti-Slavery "debates" are held at Lane Theological Seminary in Cincinnati, Ohio.
1836: In response to the petition campaigns of the American Anti-Slavery Society, the U.S. House of Representatives adopts a gag rule, by which all antislavery petitions presented to the House would be immediately tabled, without discussion. John Quincy Adams leads an eight year battle against the gag rule, arguing that slavery, or the Slave Power, as a political interest, threatens constitutional rights.
1837: Mob of Irish and southern men kills abolitionist and anti-Catholic editor Elijah P. Lovejoy in Alton, Illinois;
1839: Slaves revolt on the Amistad; trial in federal court leads to release of rebels, who are returned to Africa.
1840: Slave population in Census: 2,487,000
1844: The Methodist Episcopal Church, South breaks away on issue of slavery.
1845:
1846: James D.B. DeBow establishes DeBow's Review, the leading Southern magazine warning against depending on the North economically. DeBow's Review emerges as the leading voice for secession. DeBow emphasizes the South's economic underdevelopment, relating it to the concentration of manufacturing, shipping, banking, and international trade in the North.
1848:
1850: Compromise of 1850 enacted; California admitted as free state; Texas gets paid for lands; New Mexico Territory formed, allowing slavery; no slave trade allowed in District of Columbia; stiffer fugitive slave law. Proposed by Henry Clay and brokered by Stephen A. Douglas, it reflects solution to slavery of Northern Democrats. Southerners take wait-and-see approach; they are angered by Northern refusal to obey Fugitive Slave Law of 1850.
1851: Southern Unionists in several states defeat secession measures; Mississippi's convention denies the existence of the right to secession.
1852:
1854:
:1855-1856: Violence breaks out in "Bleeding Kansas"
1857-1859:
1860:
1861:
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