Emancipation (1863)Proclamation
Wilmot Proviso (1846)
Free-Soil Party (1848)
Compromise of 1850
Kansas-Nebraska Act (1854)
Dred Scott v. Sandford (1857)
Abraham Lincoln (1860)
Confederate States of America, Jefferson Davis (1861)
Civil War (1861)
Antietam and Gettysburg (1863) (dec 1, 1846 – dec 1, 1861)