 After the third partition of Poland (1795), Szydłów was annexed by the Austrian Empire, but in 1809 it became the seat of a county in the Duchy of Warsaw.In 1815 it became part of Congress Poland, and in 1850, Russian authorities liquidated Szydłów County, merging it with Stopnica County.In 1869, as a punishment for participation of residents in the January Uprising, Szydłów was reduced to the status of a village.