 Nyorai kuenderera mberi kweiyi ndima - Matunhu eVenetian neyaimbova Duchy yeMantua neFriuli akabatanidzwa kuItari muna 1866, makore mashanu mushure mekubatanidzwa kweItaly uye kugadzirwa kwehumambo hweItaly pasi peimba yeSavoy muna 1861. Kubatanidzwa kweVeneto neItaly kwakanga kuri mugumisiro weHondo yeAustro-Prussian, yakakundwa nevaPrussian, shamwari dzeItaly. Mukubatana kweItaly, kurwisana uku kunozivikanwa seHondo yechitatu yeRusununguko. Austria yakarasikirwa neVenetia, ikapa kuna Napoleon III weFrance, uyo akaipawo kuItaly. Austria yakaramba kupa nharaunda dzeVenetian zvakananga kuItaly nekuti maAustria akange apwanya maItaly munguva yehondo, achikunda maItaly panyika panguva yeHondo yeCustoza 24 Chikumi uye pagungwa panguva yeHondo yeLissa 20 Chikunguru. VaGiuseppe Garibaldis Hunters of the Alps vakabudirira kurwisa maAustria muhondo yeBezzecca 21 Chikunguru, asi hurumende yeItaly yakaraira Garibaldi kuti abve apo Prussia neAustria dzakapedzisa chibvumirano. Norugare rwePrague 23 August, Austria yakabvuma kubatanidzwa kweVenetia muUmambo hweItaly. Pfungwa imwe cheteyo yakadzokororwa muChibvumirano cheVienna October 12, chakasvika kupfurikidza nokureverera kweFrance. 