The Unofficial Site of Dover, New Hampshire
Dover is the oldest continuous settlement in New Hampshire and the seventh oldest in the United States. The permanent settlement occurred in what is now the Dover Neck area. For a few years Dover was an independent colony named Northam. In 1692 Northam became part of the Massachusetts Bay Colony. The original township of Dover included the present towns of Dover, Durham, Lee, Madbury, Somersworth, Rollinsford, and parts of Newmarket, Newington, and Greenland.