Statistics for occurrence #1 of “Chatham” in chapter 7 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

...n from fetters. The King, who wished to retain Conway in office and had looked into his heart to know how to wind and govern him, attached him by the semblance of perfect trust; showing him all Chatham 's letters, and giving him leave to treat with his own old associates, though Grafton desired to effect through Gower a junction with the friends of Bedford. But Rockingham, who never opened ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Chatham (United Kingdom) 205 66 3 0 0 user votes
Chatham (Massachusetts, United States) 253 86 3 0 0 user votes
Chatham (Canada) 118 54 8 0 0 user votes
Chatham (Georgia, United States) 32 0 4 0 0 user votes
Chatham (North Carolina, United States) 18 0 4 0 0 user votes
Chatham (Alaska, United States) 4 4 0 0 0 user votes
Chatham (Illinois, United States) 1 0 1 0 0 user votes
Chatham (Canada) 0 0 0 0 0 user votes
Chatham (Florida, United States) 0 0 0 0 0 user votes
Chatham (Florida, United States) 0 0 0 0 0 user votes
Chatham (Illinois, United States) 0 0 0 0 0 user votes
Chatham (Kentucky, United States) 0 0 0 0 0 user votes
Chatham (Louisiana, United States) 0 0 0 0 0 user votes
Chatham (Michigan, United States) 0 0 0 0 0 user votes
Chatham (New Hampshire, United States) 0 0 0 0 0 user votes
Chatham (New Jersey, United States) 0 0 0 0 0 user votes
Chatham (Ohio, United States) 0 0 0 0 0 user votes
Chatham (Pennsylvania, United States) 0 0 0 0 0 user votes
Chatham (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.