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

...ace at Britton's Lane, near Denmark, Tenn., between a force of Union troops, numbering about eight hundred men, under the command of Col. Dennis, Thirtieth Illinois, and a large body of rebels, under General Armstrong , resulting, after an engagement of four hours duration, in the retreat of the rebels, who left one hundred and seventy-nine of their dead on the field. The total rebel loss in this affair was over ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† 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.