 Nyorai kuenderera mberi kweiyi ndima - 33rd Illinois yakaendeswa ku1st Brigade, 14th Division, XIII Corps, Dhipatimendi reTennessee munguva yaMarch-July 1863. Chiremera chakarayirwa kuenda kuSt. Genevieve, Missouri, musi wa5 March, ndokuzoendeswa kuMillikens Bend pedyo neVicksburg, Mississippi, kwaakaramba ari kusvikira musi wa25 April. Chikamu chacho chakatanga kutora chikamu mumushandirapamwe weVicksburg paakaenda kuBruinsburg, Mississippi, musi wa25-30 Kubvumbi. Munguva yemushandirapamwe, 33rd Illinois yaiva muboka raBenton pamwe chete ne99th Illinois, 8th Indiana, uye 18th Indiana Infantry Regiments. Boka raBenton raive chikamu cheBrigadier General Eugene Asa Carrs division, Major General John Alexander McClernands corps, uye Major General Ulysses S. Grants army. 33rd Illinois vakarwa paHondo yePort Gibson musi wa1 Chivabvu, Hondo yeChampion Hillmusi wa 16 Chivabvu, Hondo yeBig Black River Bridge musi wa 17 Chivabvu, uye Kukombwa kweVicksburg musi wa 18 Chivabvu kusvika 4 Chikunguru. 