ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi tˈuː, ðə wˈɛbstɚɹˈæʃbɜːtən tɹˈiːɾi fˈɜːmli ɪstˈæblɪʃt ðɪ ˈɛɹiə æz juːnˈaɪɾᵻd stˈeɪts tˈɛɹɪtˌoːɹi, jˈɛt sˌʌm tˈaʊnʃɪps ɪn mˈeɪn wɜːɹ ɐdmˈɪnɪstɹˌeɪɾɪvli pˈɑːɹt ʌv mˌæsɐtʃˈuːsɪts, ðə mˈʌðɚ stˈeɪt.
In 1842, the Webster-Ashburton Treaty firmly established the area as United States territory, yet some townships in Maine were administratively part of Massachusetts, the mother state.