In 1795 Sławków briefly belonged to New Silesia, and in 1806 was annexed by the Duchy of Warsaw (since 1815 Russian-controlled Congress Kingdom). In the mid-19th century first industrial enterprises were established here, and the town was connected with other locations in the area by a paved road.
Sławków was briefly part of New Silesia in 1795, then joined the Duchy of Warsaw in 1806, and from 1815, it fell under Russian control as part of the Congress Kingdom. In the mid-19th century, industrial establishments emerged, and a road network connected the town to other locations.