Statistics for occurrence #1 of “Chatham” in chapter 5 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

... Chatham
The British aristocracy reduce their own taxes—defeat of Chatham's Administration by the Mosaic Opposition. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chatham (Canada) 118 54 8 0 0 user votes
Chatham (Massachusetts, United States) 253 86 3 0 0 user votes
Chatham (United Kingdom) 205 66 3 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.