Statistics for occurrence #1 of “Illinois” in chapter 1 of Col. O. M. Roberts, Confederate Military History, a library of Confederate States Military History: Volume 12.1, Alabama:

...ut were never conquered by armed forces. The aggressive English finally, in 1765, established themselves in Alabama, an agreement being made by which the territory then included under the name of Illinois was extended as far south as 32° 28′, about the latitude of Demopolis. The claim of the Spaniards to Florida was based upon their treaty with England of 783, and for many years there was ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Illinois (Illinois, United States) 6,200 2 0 0 0 user votes
Illinois (New Mexico, United States) 4 0 0 0 0 user votes
Illinois (Oregon, United States) 2 0 0 0 0 user votes
Illinois (Colorado, United States) 0 0 0 0 0 user votes
Illinois (Illinois, United States) 0 0 0 0 0 user votes
Illinois (New Mexico, 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.