The Portsmouth Historical Society is celebrating the 400th anniversary of Capt. John Smith's sailing down the coast of what he would later call New England with an exhibition detailing the history of the mapping of the Piscataquis Region of Maine and New Hampshire (9 May through 3 November, 2014). For full details, visit http://portsmouthhistory.org/mapping-the-piscataqua-region-from-john-smith-to-google-maps-opening-reception/.