Dee ihe na-aga n'ihu maka paragraf a - E kenyere ndị agha ahụ Brigadier General Martin E. Green nke Brigadier General John S. Bowen nke Ngalaba, 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 19 lụrụ agha na 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.