1. Missouri Compromise March 3, 1820
2. Tariff of Abominations May 19, 1828
3. Compromise of 1850
4. Uncle Tom's Cabin published 1852
5. Kansas-Nebraska Act 1854
6. Dred Scott Decision 1857
7. Lincoln Elected 1860
8. Ft. Sumter fired upon April 12, 1861