Statistics for occurrence #1 of “Confederate States” in chapter 21 of Col. John C. Moore, Confederate Military History, a library of Confederate States Military History: Volume 9.2, Missouri:

...lar army. He resigned his commission in 1861 to take part with the people of the South in their struggle for separate independence. He was at once made major of cavalry in the regular army of the Confederate States , his commission being dated from March 16, 1861. He soon became lieutenant-colonel, then colonel and in September, 1861, was assigned to command of a brigade in Virginia, comprising the First Arkan...
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