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1793
Eli Whitney invents the cotton gin
1820
Missouri Compromise
1837
John C. Calhoun gives the "Slavery as a Positive Good" speech
1835-1836
Texas War for Independence from Mexico
1845
Annexation of Texas by the US
1846-1848
Mexican-American War
1848
Treaty of Guadalupe Hidalgo; Seneca Falls Convention
1850
Compromise of 1850 (Fugitive Slave Act was in the compromise); John C. Calhoun died
1852
Uncle Tom's Cabin published; Henry Clay & Daniel Webster died
1854
Kansas-Nebraska Act
1856
Bleeding Kansas; Brooks-Sumner Affair
1857
Dred Scott Decision (Scott v. Sanford)
1859
John Brown's raid on Harper's Ferry
1860
Election of Lincoln (as a result South Carolina secedes)
1861
Battle of Fort Sumter
1861-1865
American Civil War
1863
Emancipation Proclamation issued; Battle of Gettysburg
1865
Lee's Surrender at Appomattox Courthouse; Lincoln assassinated; Freedmen's Bureau created; 13th Amendment ratified; KKK started in TN
1864
Wade-Davis Bill passed by Congress but killed by Lincoln's pocket veto
1865-1877
Reconstruction Era
1866
Civil Rights Act (blacks became citizens); 14th Amendment ratified
1870
15th Amendment ratified
1877
The Compromise of 1877 ends Reconstruction reform in the South