"MOST New Yorkers have doubtless forgotten it, but until a little more than three centuries ago the town of Southold, L.I., was the southernmost holding of New Haven Colony. It was bitter loss to New Haven when Southold was written out of the Royal Charter. The people of New Haven stewed for three years before they finally accepted the charter in 1665, without the property on Long Island. The people of Southold resisted the change for many years longer, petitioning the King to be left as part of Connecticut, and refusing to pay New York taxes."
An Ethnic History of New Haven: Pre-1938
"The first people to live in New Haven were Native Americans. Native Americans lived in New Haven as long as 8,000 years ago! The earliest people we know about that lived in New Haven were members of the Quinnipiac Tribe. They lived in villages around the harbor and caught fish and raised maize (a kind of corn)."