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

...t-mill in western Wisconsin built at Prairie du Chien by John Shaw......1818 Solomon Juneau arrives at Milwaukee......Sept. 14, 1818 Wisconsin attached to Michigan Territery upon admission of Illinois into the Union......Dec. 3, 1818 Winnebago Indians massacre three whites at Prairie du Chien......June 28, 1827 Treaty concluded with the Menomonee and other Indian tribes at Butte des Morts....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Illinois (Illinois, United States) 6,200 682 0 0 0 user votes
Illinois (New Mexico, United States) 4 4 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.