1619 : Virginia = 20 slaves for tobacco 1681 : Philadelphia, Pennsylvania by W.Penn 1660 : Virginia : Slave laws (Kill,Paigens,Unarmed) 1739 : South Carolina : Stono Rebellion 1783 : 500 000 Blacks = 25 000 free but unequal 1787 : The Northwest Ordinance : forbade slavery in the territory 1791 : North Carolina : killed each man who T slaves 1784 : Outlawed Atlantic Slave Trade