Ku dhammee weedhan soo socota: Intii lagu guda jiray duulaankii Jarmalka ee Poland, kaas oo bilaabay Dagaalkii Labaad ee Adduunka, Gostyń waxaa qabsaday Wehrmacht bishii Sebtember 6, 1939. Xilligii Jarmalka Naasiga
qabsashada Poland Gostyń wuxuu noqday goobta fulinta dadweynaha, xariga iyo masaafurinta Boolishka. Xadhigyadii iyo dilkii ugu horeeyay ee wadareed waxaa la fuliyay horaantii Sebtember 1939. Bishii Oktoobar 21, 1939 ku dhawaad 30 muwaadiniin ah oo magacyadoodu ku qoran yihiin "Sonderfahndungsbuch Polen" (Buugga Dacwad-qaadista Gaarka ah ee Poland) oo ay diyaariyeen dadka Jarmalka ah ee maxalliga ah, ayaa waxaa fuliyay Einsatzkommando. Dadka la dilay waxaa ka mid ahaa duqa magaalada Gostyń Hipolit Niestrawski, dhaqdhaqaaqayaasha reer Poland, saraakiisha, farsamayaqaannada iyo kuwii hore ee ka soo horjeeday Greater Poland. Waxay ahayd mid ka mid ah xasuuqyada badan ee Poland ee Jarmalka ay geysteen 20-23 Oktoobar 1939 gobolka oo dhan si ay isugu dayaan inay u xasilliyaan oo ay u argagaxaan dadka reer Poland. Dib u celinta ballaaran waxay bilaabatay 4tii Diseembar 1939, iyadoo ilaa 2,000 oo Polish ah loo masaafuriyay Dowladda Guud amaradii SS-Standartenführer Ernst Damzog oo ku sugnaa Poznań. Intii u dhaxeysay gu'gii 1940 iyo 15 Maarso 1941 3,222 dheeraad ah ayaa la masaafuriyay., Sarkaal reer Poland ah iyo guddoomiyihii ka horreeyay dagaalkii ee kooxda kubbadda cagta ee Kania Gostyń, ayaa waxaa diley Ruushku xasuuqii Katyn ee 1940.