Rząśnik, Ostrów Mazowiecka County
Rząśnik is a village in the administrative district of Gmina Stary Lubotyń, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland.
The village has a population of 264.History
During World War II, in summer 1941, about 2,600 Jews from nearby villages are murdered in mass executions perpetrated by an Einsatzgruppen.