Winchester more urban settlement type developed, known as an oppidum, although the archaeology of this phase remains obscure. It was overrun by the confederation of Gaulish tribes known as the Belgae sometime during the first century BCE. It seems to have been known as Wentā or Venta, derived from the Brittonic for "town" or "meeting place", or the word for "white" (Welsh "gwyn"), due to Winchester's situation upon chalk. After the Roman conquest of Britain, the settlement served as the capital () of the Belgae and was distinguished as Venta Belgarum, "Venta of the Belgae". Although in the early years of
New England town were not part of this process in southeastern New Hampshire, such as Exeter. Once there were enough residents in a town to formally organize a town government, no further action was necessary to incorporate. This practice can lead to inconsistencies in the dates of incorporation for towns in this region. Dates given in reference sources sometimes reflect the date when the town was chartered, which may have been long before it was settled, and not the date when its town government became active. In other parts of New England, some "future towns" were laid out along these lines, but such