Constitutional Convention opens amid slavery disputesMay 25, 1787Labels: Constitutional Convention, PhiladelphiaIHB
Northwest Ordinance bans slavery in Northwest TerritoryJul 13, 1787Labels: Northwest Ordinance, CongressNatl Archives
Three-Fifths Compromise shapes representation and taxationSep 17, 1787Labels: Three-Fifths CompromiseNPS
Slave-trade clause blocks federal ban until 1808Sep 17, 1787Labels: Slave-trade Clause, ConstitutionConst Center
Fugitive Slave Clause added to interstate relationsSep 17, 1787Labels: Fugitive Slave, ConstitutionConst CenterNPS
Article V temporarily shields slave-trade clause from amendmentMar 4, 1789Labels: Article V, ConstitutionArticle V
Southwest Territory law protects slavery expansionMay 26, 1790Labels: Southwest Territory, CongressSW Territory
Fugitive Slave Act creates federal return proceduresFeb 12, 1793Labels: Fugitive Slave, CongressConst CenterFSA 1793
Jefferson urges Congress to end slave importationsDec 2, 1806Labels: Thomas Jefferson, Presidential MessageABT
Congress passes Act Prohibiting Importation of SlavesMar 2, 1807Labels: Act Prohibiting, CongressCongress govABT
Federal ban on slave importation takes effectJan 1, 1808Labels: Importation Ban, 1808CBPBritannica no