Unit 7 Timeline By geofort07 Jun 19, 1793 Whitney's cotton gin transforms southnern economy. Aug 19, 1800 Gabriel slave rebellion in Virginia. Aug 19, 1808 Congress outlaws slave trade. Aug 19, 1817 American Colonization formed. Aug 19, 1820 Missouri Compromise Aug 19, 1822 Vesey slave rebellion in Charleston, South Carolina. Aug 19, 1822 Republic of Liberia established in Africa. Aug 19, 1829 Walker publishes Appeal to the the Colored Citizens of the World. Aug 19, 1831 Nat Turner slave rebellion in Virginia; Garrison begins publishing The Liberator. Aug 19, 1831 Virginia legislature debates slavery and emancipation. Aug 19, 1833 British abolish slavery in West Indies; American Anti-Slavery society founded. Aug 19, 1834 Abolitionist students expelled from Lane Theological Seminary. Aug 19, 1835 U.S. Postal Office orders destruction of abolitionist mail; "Broadcloth Mob" attacks Garrison. Aug 19, 1836 House of Representatives passed "Gag Resolution." Aug 19, 1837 Mob kills abolitionist Lovejoy in Alton, Illinois. Aug 19, 1837 Canadian rebellion and Caroline insident. Aug 19, 1839 Weld publishes "American Slavery as it is." Aug 19, 1840 Anti-slavery Liberty party organized. Aug 19, 1841 Harrison dies after four weeks in office; Tyler assumes presidency. Aug 19, 1842 Aroostook War over Maine boundary; Webster-Ashborn treaty. Aug 19, 1844 Polk defeats Caly in "Manifest Destiny" Election. Aug 19, 1844 Caleb Cushing signs Treaty of Washington with China. Aug 19, 1845 Douglass publishes "Narrative of the Life of Frederick Douglass." Aug 19, 1845 United States annexes Texas. Aug 19, 1846 Walker Tariff; Independent Treasury restored; and U.S. settles Oregon dispute with Britain. Aug 19, 1846 U.S. and Mexico clash over Texas boundary; Kearny takes Santa Fe; Fremont conquers California; and Wilmot Proviso passes House of Representatives. Dec 19, 1846 Mexican War (1846-1848). Aug 19, 1847 Battle of Buena Vista; Scott takes Mexico City. Aug 19, 1848 Free Soil Party organized. Aug 19, 1848 Treaty of Guadalupe Hidalgo (Treaty between Mexico and U.S.). Aug 19, 1848 Treaty of Guadalupe Hidalgo ends Mexican War; Taylor defeast Cass and Van Buren for Presidency. Aug 19, 1849 California Gold Rush Aug 19, 1850 Fillmore assumes presidency after Taylor's death; Compromise of 1850, including Fugtive Slave Law; and Clayton-Bulwer Treaty with Britain. Aug 19, 1852 Pierce defeats Scott for Presidency. Aug 19, 1853 Gadsden Purchase from Mexico. Aug 19, 1854 Commodore Perry opens Japan for American Trade; Ostend Manifesto proposes seizure of Cuba; Kansa-Nebraska Act; and Republican Party organized. Aug 19, 1856 William Walker becomes president of Nicaragua and legalizes slavery.