slavery and civil war timeline By nashiscool 1776 US declares independence 1803 Louisiana Purchase 1820 missouri compromise 1820 underground railroad 1820 trail of tears 1848 war with mexico 1849 harriet tubman escapes 1850 fugitive slave law 1857 dred scott loses 1858 lincoln vs douglas debates 1860 south carolina secedes 1860 lincoln elected president 1861 eleven southern states sucede 1861 the picnic battle of bull run 1863 emabcipation proclomation 1864 shermans march to the sea 1865 robert e lee surrenders 1865 last slaves freed in Texas