 Nyorai kupfuurira kweiyi ndima - Muna 1484, pashure pokuguma kweHondo yeFerrara, Republic of Venice yakatora nzvimbo yekuchamhembe kweTartaro-Canalbianco, yakatumidzwa kuti Polesine yeRovigo neEste nekuda kwehunhu hwayo hwekuve chitsuwa pakati penzizi; dzimwe nyika dziri kunze kwezita chairo Polesine yeRovigo dzakabatanidzwawo, kusanganisira nzvimbo dzeAdria, Polesella neGuarda Veneta. Nzvimbo idzi dzose dzakaumba Dunhu rePolesine mukati me Domini di Terraferma Mainland State yeRepublic of Venice. 