Mezue ahịrịokwu na-esonụ: E kenyere ndị agha ahụ Brigadier General Martin E. Green's brigade nke Major General John S. Bowen's Division, nke Lieutenant General John C. Pemberton's Army of Mississippi maka Vicksburg Campaign. Mgbe e gburu General Green na June 27, 1863, e tinyere Colonel Dockery n'ọchịchị nke Brigade nke Abụọ, Ngalaba Bowen, ya mere, iwu nke mpaghara nke 19th Arkansas Regiment ruru Lieutenant-Colonel Dismukes, onye duziri ndị agha ahụ site na agha ndị jọgburu onwe ha nke bu ụzọ nọchibidoro Vicksburg. Arkansas nke iri na itoolu lụrụ ọgụ na
Agha nke Port Gibson, Agha nke Champion's Hill, na Agha nke Big Black River Bridge, ebe Lieutenant-Colonel Dismukes merụrụ ahụ nke ukwuu ma jide ọtụtụ ndị agha ahụ. Onye isi ndị agha Horatio Gates Perry Williamson ka e buliri elu ka ọ bụrụ onye isi ndị agha mgbe Dismukes nwụsịrị, na ihe ndị fọdụrụ na 19th Arkansas laghachiri na Vicksburg, ebe ọ na-atachi obi ụbọchị iri anọ.