Statistics for occurrence #1 of “Rockingham” in chapter 12 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

... The Regulators of North Carolina.—Hillsborough's Ad-Ministration of the Colonies continued. The people of Boston had gone out of favor with almost every body in England. Even Rockingham had lost all patience, saying the Americans were determined to leave their friends on his side the water, without the power of advancing in their behalf a shadow of excuse. This was the state of pub...
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.