Statistics for occurrence #1 of “Chicago” in entry united-states-of-america-idaho of Harper's Encyclopedia of United States History:

...1881 Aurora the first city in the world to light its streets with electricity......1881 Governor Cullom, elected United States Senator, is succeeded by John M. Hamilton......Feb. 7, 1883 Chicago voice and hearing school for the deaf opened at Englewood......1883 Haymarket massacre by anarchists......May 4, 1886 Gen. John A. Logan, United States Senator, dies at Washington......Dec. 2...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chicago (Illinois, United States) 3,613 669 281 45 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.