ceded to the Rhode Island colony in 1747 as part of a border dispute: Barrington Bristol Little Compton Tiverton Warren (Sowams) [possibly part of Swansea, Massachusetts in 1747?] Due to a 1642 surveying error and long-running political disputes, the following Massachusetts towns joined the Connecticut Colony in late 1749: Enfield Somers Suffield Woodstock Due to general lack of colonial government there, all four towns in colonial New Hampshire chose to become part of the Massachusetts Bay Colony in 1641. They were ceded to the re-formed Province of New Hampshire in 1680, under a newly issued royal charter. Dover Exeter Hampton Portsmouth Numerous towns were ceded to New Hampshire after the Northern boundary of Massachusetts was defined by royal decree in 1741. Dunstable North Naticook Nottingham Those towns were later disincorporated and reincorporated under New Hampshire laws on the same day in 1746. All settlements in the District of Maine were ceded when the state of Maine gained its independence from Massachusetts in 1820 as part of the Missouri Compromise. Archaic names Many municipalities have changed names. See also Administrative divisions of Massachusetts Equivalent Lands Lists of cities in the United States List of villages in Massachusetts Massachusetts gateway cities Notes References External links Massachusetts City and Town Directory, Secretary of the Commonwealth, Elections Division Municipalities Massachusetts Massachusetts