Statistics for occurrence #1 of “western Tennessee” in chapter 4.10, page 192 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.:

... two thousand. The capture of Fort Donelson did three things. First, it opened up the way for the Federal army to penetrate the heart of the western South and gave it control of Kentucky and of western Tennessee . Second, it electrified the North with confident hopes of ultimate success. It was the first great victory for the North in the war. Bull Run had been a moral victory to the South, but the vanquish...
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