Ban on Atlantic slave importation takes effectJan 1, 1808Labels: Slave Trade, U SCongress govBritannica
Louisiana admitted as a slave stateApr 30, 1812Labels: Louisiana state, Plantation economyUSCG HistoryBritannica
Mississippi admitted amid cotton-plantation expansionDec 10, 1817Labels: Mississippi state, Cotton plantationsU S SenatePBS
Alabama admitted as a slave stateDec 14, 1819Labels: Alabama state, Black BeltBritannicaEncyclopedia Ala
Missouri Compromise signed into lawMar 6, 1820Labels: Missouri Compromise, MissouriNatl ArchivesU S Census
Indian Removal Act signedMay 28, 1830Labels: Indian Removal, Federal governmentNatl ArchivesHistory com
Choctaw cede lands in Dancing Rabbit Creek treatySep 27, 1830Labels: Treaty of, Choctaw NationNatl ArchivesBritannica
Nat Turner’s rebellion intensifies proslavery repressionAug 21, 1831Labels: Nat Turner, Slave rebellionBritannicaAP News
Compromise of 1850 strengthens fugitive slave enforcementSep 18, 1850Labels: Compromise of, Fugitive SlaveNatl Archives
Kansas–Nebraska Act repeals Missouri Compromise limitsMay 30, 1854Labels: Kansas Nebraska, Popular sovereigntyNatl ArchivesU S Senate
Dred Scott decision limits Black citizenship and protects slaveryMar 6, 1857Labels: Dred Scott, U SBritannicaLibrary Congress
Mississippi secedes from the United StatesJan 9, 1861Labels: Mississippi secession, Secession ordinanceNatl ArchivesAvalon
Emancipation Proclamation issuedJan 1, 1863Labels: Emancipation Proclamation, Abraham LincolnNatl ArchivesBritannica
Thirteenth Amendment ratified, abolishing slaveryDec 6, 1865Labels: Thirteenth Amendment, United StatesNatl ArchivesAP News