Statistics for occurrence #1 of “Rockingham” in chapter 6, page 81 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

...y its own limitation. The moment was inviting to the Opposition. Raising some trivial questions on the form in which the amnesty Act of Massachusetts had been disallowed, the united factions of Rockingham , Bedford and Temple on one division left the Ministry a majority of but six, and on another of but three. On both these occasions the King made two of his brothers vote with the Ministry; of wh...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Rockingham (Virginia, United States) 233 0 31 0 0 user votes
Rockingham (North Carolina, United States) 12 0 10 0 0 user votes
Rockingham (New Hampshire, United States) 5 1 3 1 0 user votes
Rockingham (Georgia, United States) 0 0 0 0 0 user votes
Rockingham (Iowa, United States) 0 0 0 0 0 user votes
Rockingham (Missouri, United States) 0 0 0 0 0 user votes
Rockingham (New Hampshire, United States) 0 0 0 0 0 user votes
Rockingham (New Jersey, United States) 0 0 0 0 0 user votes
Rockingham (Ohio, United States) 0 0 0 0 0 user votes
Rockingham (United Kingdom) 0 0 0 0 0 user votes
Rockingham (Western Australia, Australia) 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.