 Kunów burned in fires in 1814 and 1818, and in 1860 it had 145 houses with 1,121 inhabitants.During the January Uprising the town was one of centers of the rebellion, here leaders of Polish forces met to discuss their tactics.Kunów, however, lost its importance at the expense of the fast-growing industrial town of Ostrowiec Świętokrzyski, and was stripped of its town rights on June 1, 1869.