Statistics for occurrence #1 of “President Buchanan” in chapter 14 of Edward Alfred Pollard, The lost cause; a new Southern history of the War of the Confederates ... Drawn from official sources and approved by the most distinguished Confederate leaders.:

...d by four new regiments, Jefferson Davis, then Secretary of War, gave him command of the Second Cavalry, with his headquarters at San Antonio, Texas. In the latter part of 1857, he was appointed by President Buchanan to the command of the Utah expedition, sent to quell the Mormons. In the spring of 1858, he crossed the plains, and arrived at Salt Lake City, where, in consequence of his services, he was brevette...
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