slavery and civil war timeline By nevaeh00 1776 us declares independence 1803 Louisiana purchase 1820 Missouri compromise 1820 underground railroad 1830 trail of tears 1848 war with Mexico 1849 Harriet Tubman escapes 1850 fugitive slave law 1857 Dred Scott loses case 1858 Lincoln vs Douglas debates Jul 21, 1860 the picnic battle of bull run Nov 6, 1860 Lincoln elected president Dec 20, 1860 South Carolina secedes Jun 8, 1861 eleven southern states secede Jan 1, 1863 emancipation proclamation Apr 9, 1865 Robert E Lee surrenders Jun 19, 1865 last slaves freed in texas 1964 Shermans march to the sea