Statistics for occurrence #1 of “Chicago” in article pos=61 of The Daily Dispatch: November 20, 1860., [Electronic resource]:

...very heavy to-day, and most of the leading stocks gave way. Virginia 6's sold at a decline of 7; Missouri 6's at 2¾; Erie Railroad at 1⅝ New York Central ½; Reading ½; Galena and Chicago 1¼, and Harlem ½, closing heavy.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chicago (Illinois, United States) 3,613 2 281 0 0 user votes
Chicago (Wisconsin, 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.