 Nyora kupfuurira kweiyi ndima - Musi wa2 Nyamavhuvhu 1939 akaunganidzwa muPolish Army semukuru wevarwi. Akatora rutivi muPolish War Defensive pakutanga kweHondo Yenyika II. Pashure pokupinda kweSoviet muPoland, chikwata chake chakaedza kusvika kumiganhu yeHungary kana yeRomania kuitira kuti arege kubatwa uye kuti awane nzira yake kuenda kuFrance, uko Mauto ePoland akanga achigadzirwazve. Zvisinei, pashure pehondo yeKrasnobród musi wa 23 September, akaitwa musungwa wehondo nemaSoviet. Kupfurikidza nomusasa wokutamisa muPutyvl akaiswa mumusasa weNKVD muKozelsk, pamwe chete nezviuru zvevamwe vakuru vePoland, mapurofesa, varindi vemuganhu nemapurisa. Paakabvunzurudzwa naKombrig Vasili Mikhaylovich Zarubin, Swianiewicz akataura chiRussian zvakanaka uye sezviri pachena akawanikwa achibatsira. Pashure pokutanga kweKatyn Massacre muchirimo cha1940, akabatanidzwa neboka rac. Vakuru vakuru vokuPoland 100 vari kuendeswa nechitima kuchiteshi chiduku muGniezdovo pedyo neKatyn. Ikoko shamwari dzake dzose dzakaunganidzwa mumabhazi ane mahwindo akafukidzwa uye akaendeswa kunzvimbo yemhondi, nepo Swianiewicz pachake akadzingwa kubva mukutakura. 