Ramba uchiverenga ndima iyi - Munhandare yokuMabvazuva, Hondo yeUnion yePotomac, yaitungamirirwa naMajor General Joseph Hooker, yakarwisa Hondo yeConfederate yeNorthern Virginia yaitungamirirwa naGeneral Robert E. Lee muHondo yeChancellorsville. Hooker akaronga kutamisa vazhinji veuto rake kumashure kweConfederates Lee asati apindura uye kumanikidza Lee kuti adzokere asi mauto eUnion akaderedzwa ndokuzomiswa neuto diki reConfederate, iro rakasimbiswa nevasara veuto reConfederate. Lee akabva atumira chikwata chaitungamirirwa naThomas J. Jackson chakakomberedza kuruboshwe kwaHooker, icho chakarwisa maawa mashoma zuva risati ravira musi waMay 2; kurwisa uku uye kumwe kurwisa kweConfederate zuva rakatevera kwakamanikidza Hooker kuti adzokere musi waMay 6. Mukati mokurwa, Jackson akakuvadzwa nomoto weshamwari ndokufa mazuva anoverengeka gare gare. Lee akarongazve uto rake zvichitevera mushandirapamwe uyu uye akatanga kupinda munharaunda yeUnion muna Chikumi, achifamba kuburikidza neShenandoah Valley kupinda muPennsylvania; Hooker akabviswa pachigaro musi waJune 29, nekuda kwekukakavadzana kusingaperi nehurumende pamusoro pevarwi veHarpers Ferry, uye akatsiviwa naMajor General George Meade. Munguva yeHondo yeGettysburg kubva muna Chikunguru 1 kusvika Chikunguru 3, Meade akabudirira kudzora kurwisa kwaLee uku achipa kurasikirwa kukuru mukudzoka. Lee akamanikidzwa kudzokera kuVirginia; Meade akatevera achivatevera asi akatadza kuwana mukana wekupwanya zvachose mauto eConfederate. Muna Gumiguru, Lee akaedza kupatsanura nekuparadza Meade panguva yeBristoe Campaign asi akakundikana pakurwisa nzvimbo dzeUnion paHondo yeBristoe Station musi waGumiguru 14. Akamanikidzwa nezviremera zveUnion, Meade akaedzawo kurwisa nzvimbo dzaLee pamwe neMine Run
; zvisinei, Lee akakwanisa kugadzira nhare yekudzivirira mhiri kwemutsetse weUnion wekufambira mberi. Meade akatonga nzvimbo yeConfederate yakasimba kwazvo kurwisa uye akadzokera shure.