On December 27, 1905, the so-called Ostrowiec Republic was established, and for two weeks, the town and the county were ruled by the Polish Socialist Party, headed by Ignacy Boerner.
KSZO Ostrowiec Świętokrzyski | Ostrowiec | Wojciechowice, Ostrowiec County | Sudół, Ostrowiec County | Chmielów, Ostrowiec County | Biechów, Ostrowiec County |