On April 6, 1970, Dukes County grand jury assembled in special session to consider Kopechne's death.
Chappaquiddick Island (the small "island" connected to the main island is part of Edgartown)
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The resulting Province of Massachusetts Bay, whose charter was issued in 1691 and began operating in 1692 under governor Sir William Phips, combined the territories of those two provinces, along with the islands south of Cape Cod (Martha's Vineyard, Nantucket, and the Elizabeth Islands) that had been Dukes County in the colony of New York.
Tisbury, Massachusetts, known as "Middletown" until 1671, in Dukes County