 Nyora kuenderera kweiyi ndima - Mukutanga kwaGumiguru 1942, iro divi rakatanga Operation Kopaonik, ichinongedza simba reChetnik raMajor Dragutin Keserović mumakomo eKopaonik. Basa racho rakapera pasina kubudirira kukuru, sezvo vaChetnik vakanga vanyeverwa nezvekushanda kwacho uye vakakwanisa kudzivisa kuonana. Pashure pechando chakanyarara, muna Ndira 1943 Phleps akaendesa divi racho kuIndependent State of Croatia NDH kunotora chikamu muCase White. Pakati paFebruary 13 naKurume 9, 1943 aive nebasa rekutanga rekusimudza 13th Waffen Mountain Division yeSS Handschar 1st Croatian muNDH kuwedzera pamabasa ake anotungamira 7th SS Division. 