Statistics for occurrence #1 of “Madrid” in chapter 15 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

... Madrid
The King and the British Parliament against the Town of Boston.—Hillsborough's Administration of the Colo-Nies cont...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Madrid (Spain) 778 14 2 0 0 user votes
Madrid (Alabama, United States) 0 0 0 0 0 user votes
Madrid (Colombia) 0 0 0 0 0 user votes
Madrid (Colorado, United States) 0 0 0 0 0 user votes
Madrid (Iowa, United States) 0 0 0 0 0 user votes
Madrid (Kentucky, United States) 0 0 0 0 0 user votes
Madrid (Maine, United States) 0 0 0 0 0 user votes
Madrid (Nebraska, United States) 0 0 0 0 0 user votes
Madrid (New Mexico, United States) 0 0 0 0 0 user votes
Madrid (New York, United States) 0 0 0 0 0 user votes
Madrid (Philippines) 0 0 0 0 0 user votes
Madrid (Spain) 0 0 0 0 0 user votes
Madrid (Spain) 0 0 0 0 0 user votes
Madrid (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.