Historical Timeline

1783	Connecticut was admitted as a free state through constitutional interpretation.
1790	By this time, in the original 7 free states, slavery has been or is gradually being outlawed: Pennsylvania, Massachusetts, Rhode Island, Connecticut, New York, New Hampshire, and New Jersey.
1839	39 African captives led by Joseph Cinque rebel against their Cuban captors and order two surviving whites to sail the Amistad to Africa.  The ship is seized off the coast of Long Island and the Africans are jailed in Connecticut.