 Nyora kupfuurira kweiyi ndima - Ostrowiec yaive imwe yenzvimbo huru dzeRevolution muHumambo hwePoland 19051907. Musi waDecember 27, 1905, Republic yeOstrowiec yakatangwa, uye kwemavhiki maviri, guta racho nedunhu racho zvakatongwa nePolish Socialist Party, yaitungamirirwa naIgnacy Boerner. Republic yakapera pashure pokuuya kwezvikwata zviviri zvevarwi veRussia Imperial Army. Zvivako zveOstrowiec zvakakanganiswa zvikuru muHondo Yenyika I, uye musi waNovember 3, 1918, zviremera zvePoland zvakanga zvichangobva kuumbwa zvakatora Ostrowiec. MuRepublic yechipiri yePoland Ostrowiec yakagadziridzwa, nekuda kwenzvimbo yayo muCentral Industrial Area. Guta racho raiva reOpatow County, uye Hondo Yenyika II isati yatanga, vanhu varo vakanga vasingasviki mamiriyoni masere. Zviuru makumi matatu. Muna 1937 yakatumidzwa zviri pamutemo kuti Ostrowiec Swietokrzyski. Pakutanga, mazita Ostrowiec Kielecki uye Ostrowiec nad Kamienna akanga ashandiswa. 