Statistics for occurrence #1 of “Chatham” in chapter 17 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 4, 15th edition.:

... Chatham
The king and the aristocracy against the Great Commoner.—George the Third Drives out Pitt. My horse is lame,...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chatham (United Kingdom) 205 10 3 0 0 user votes
Chatham (Massachusetts, United States) 253 0 3 0 0 user votes
Chatham (Canada) 118 2 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 0 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.