before Civil War timeline By thebigdaddyraeshow Period: 1810 to 1850 Underground Railroad Period: 1819 to 1820 Missouri Compromise 1831 Nat Turner's Rebellion May 20, 1854 Kansas-Nebraska Act May 6, 1857 Dred Scott Decision Nov 6, 1860 Election of 1860 1974 Invention of the Cotton Gin