Statistics for occurrence #1 of “Portsmouth” in entry united-states-of-america-rhode-island of Harper's Encyclopedia of United States History:

...and Newport. Roger Williams, banished from Plymouth colony, with five companies settles at a spot which he calls Providence......June, 1636 Aquedneck Island settled by eighteen proprietors at Portsmouth , now New Town, first called Pocasset......1637 Canonicus and his nephew Miantinomo, sachems of the Narragansets, deed to Roger Williams all lands between the Pawtucket and Pawtuxet rivers......Ma...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Portsmouth (New Hampshire, United States) 470 225 134 39 0 user votes
Portsmouth (United Kingdom) 107 15 13 5 0 user votes
Portsmouth (Dominica) 0 0 0 0 0 user votes
Portsmouth (Iowa, United States) 0 0 0 0 0 user votes
Portsmouth (Kentucky, United States) 0 0 0 0 0 user votes
Portsmouth (Virginia, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.