Statistics for occurrence #1 of “Cairo” in chapter 4.12 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

...s were disabled. Once more the Cairo, on June 6th, with four other ironclad gunboats and two of the Ellet rams, engaged the Confederate flotilla off the city of Memphis. On December 12, 1862, the Cairo , then under the command of Lieutenant T. O. Selfridge, was destroyed by a torpedo in the Yazoo River.
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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.