 They participated in both Operation Tempest against the Nazis ("Akcja Burza") and in the Warsaw Uprising of 1944.MR PPS-WRN was created in November 1939 amongst the prewar labour circles in Warsaw, Radom, Kraków, in Upper Silesia (Śląsk) and in the Dąbrowa Basin (Zagłębie) mainly for self-protection.It was supposed to help recreate the Polish prewar police and counter—intelligence services.