Statistics for occurrence #1 of “Major Caldwell” in year 1862, month July, day 28 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...swick that has advocated the Union cause.--Boston Journal, July 30. Colonel Guitar, of the Ninth Missouri regiment, reinforced by Lieut.--Col. Shaffer and Major Clopper, of Merrill's Horse, and Major Caldwell , of the Third Iowa cavalry, six hundred and fifty strong, were attacked at Moore's Mills, seven miles east of Fulton, Mo., this day, by the rebels Porter and Cobb, nine hundred strong, and after fig...
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