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Settled in 1622. (An earlier attempt to settle the Popham Colony on Sagadahoc Island, Maine in 1607 was abandoned after only one year.) Massachusetts Bay colony encroached into Maine during the English Civil War, but, with the Restoration, autonomy was returned to Maine in 1664. Maine was officially merged into Massachusetts Bay Colony with the issuance of the Massachusetts Bay charter of 1691.
Settled in late 1637. New Haven was absorbed by Connecticut Colony with the issuance of the Connecticut Charter in 1662, partly as royal punishment by King Charles II for harboring the regicide judges who sentenced King Charles I to death.
The present State of Vermont was disputed between the colonies of New York and New Hampshire. From 1777 to 1791, it existed as the de facto independent Vermont Republic.
References
Cooke, Jacob Ernest et al., ed. Encyclopedia of the North American Colonies. Scribner's, 1993. 3 vol; 2397 pp.
Gipson, Lawrence. The British Empire Before the American Revolution (15 volumes) (1936-1970), Pulitzer Prize; highly detailed discussion of every British colony in the New World