Statistics for occurrence #1 of “Cairo” in page 452 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

... About one hundred Confederates were killed and wounded and one hundred and fifty captured. Chief of all results of the work of the flotilla was the opening of the Mississippi River once for all from Cairo to Memphis, and the complete possession of Western Tennessee by the Union forces.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cairo (Egypt) 183 0 7 0 0 user votes
Cairo (Missouri, United States) 5 0 1 0 0 user votes
Cairo (Alabama, United States) 2 0 0 0 0 user votes
Cairo (Kentucky, United States) 2 0 0 0 0 user votes
Cairo (West Virginia, United States) 2 0 0 0 0 user votes
Cairo (Arkansas, United States) 0 0 0 0 0 user votes
Cairo (Egypt) 0 0 0 0 0 user votes
Cairo (Florida, United States) 0 0 0 0 0 user votes
Cairo (Georgia, United States) 0 0 0 0 0 user votes
Cairo (Indiana, United States) 0 0 0 0 0 user votes
Cairo (Iowa, United States) 0 0 0 0 0 user votes
Cairo (Kansas, United States) 0 0 0 0 0 user votes
Cairo (Mississippi, United States) 0 0 0 0 0 user votes
Cairo (Mississippi, United States) 0 0 0 0 0 user votes
Cairo (Mississippi, United States) 0 0 0 0 0 user votes
Cairo (Nebraska, United States) 0 0 0 0 0 user votes
Cairo (North Carolina, United States) 0 0 0 0 0 user votes
Cairo (Ohio, United States) 0 0 0 0 0 user votes
Cairo (Oklahoma, United States) 0 0 0 0 0 user votes
Cairo (Oregon, United States) 0 0 0 0 0 user votes
Cairo (Tennessee, United States) 0 0 0 0 0 user votes
Cairo (Tennessee, 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.