Us History Time line Decade of Crisis Project By Bacree22 Jan 6, 1811 Brooks/Summer Senate Caning Mar 1, 1820 Kansas-Nebraska Act Mar 3, 1820 Missouri Compromise ( Compromise of 1820) May 19, 1828 Tariff Of Abominations Apr 6, 1846 Dred Scott Decision Aug 8, 1846 Wilmont Of Proviso Sep 1, 1850 Compromise of 1850 Sep 18, 1850 Fugitive Slave Act (1850) Jun 5, 1851 Uncle Tom's Cabin Feb 1, 1854 Free-Soil Party Jul 1, 1854 Republican Party Aug 24, 1855 Know-Nothing Party May 21, 1856 Sack Of Lawrence May 24, 1856 Pottawatomie Massacre (Bleeding Kansas) Aug 25, 1856 The Election Of 1856 Aug 27, 1858 Lincoln-Douglas Debates Aug 27, 1858 Freeport Doctrine Oct 16, 1859 Harpers Ferry Incident Nov 1, 1860 Underground Railroad (Harriet Tubman) Nov 6, 1860 The election of 1860 Dec 24, 1860 South Carolina Secession Feb 1, 1861 Formation Of The Confederate States Of America Apr 10, 1861 Fort Sumter