Major Events in American slavery By mjdaniels23 1783 End of the Revolutionary War Sep 17, 1787 Signing of the Constitution 1793 Invention of Cotton Gin 1803 Louisiana Purchase 1812 Start of War of 1812 Apr 27, 1816 Passage of Tariff of 1816 1820 Missouri Compromise 1827 Trail of Tears(Start of) 1830 Indian Removal Act 1831 Garrison Begins The Liberator 1831 Nat Turner Rebellion 1836 Declaration of Texas Independence 1836 Declaration of Texas Independence 1836 Declaration of Texas Independence 1845 Douglas Publishes Autobigraphy 1845 Douglas Publishes Autobigraphy 1846 Wilmot Proviso 1848 Discovery of Gold-California 1848 Treaty of Guadalupe Hidalgo 1848 Discovery of Gold-California 1850 Compromise of 1850 1850 Compromise of 1850 1850 Compromise of 1850 1851 Compromise of 1850 1852 Stowe Publishes Uncle Tom's Cabin 1853 Gadsden Puchase 1854 Birth of the Republican Party 1854 Birth of the Republican Party 1854 Birth of the Republican Party 1854 Birth of the Republican Party 1854 Kansas-Nebraska Act 1856 Attack on Charles Sumner 1856 Attack on Charles Sumner 1856 Attack on Charles Sumner 1856 Attack on Charles Sumner May 21, 1856 Start of Bleeding Kansas 1857 Dred Scott Decision 1857 Dred Scott Decision 1859 Delany Publishes Blake 1859 Delany Publishes Blake 1859 Delany Publishes Blake 1859 John Brown's Raid 1860 Lincoln Elected President Dec 20, 1860 South Carolina Secedes Apr 12, 1861 Attack on Fort Sumter Apr 12, 1861 Attack on Fort Sumter Apr 12, 1861 Attack on Fort Sumter Apr 12, 1861 Attack on Fort Sumter 1865 Passage of 13th Amendment 1868 Passage of the 14th Amendment