 Kutevera kupindirwa kweGermany muna 1939, Greater Poland yakabatanidzwa muNazi Germany, ichiva dunhu rainzi, gare gare Reichsgau Wartheland iri zita rechiGerman renzira yeRwizi rweWarta. VaPolish nevaJudha vaionekwa nevaNazi sevanhu vakaderera uye vakaurayiwa nevanhu vakawanda, kusanganisira kuurayiwa kwevanhu vakawanda uye kutsakatiswa kwemadzinza, vakawanda vaimbova vakuru vakuru nevamwe vaionekwa nevaNazi sevavengi vakaiswa mujeri kana kuurayiwa, kusanganisira paFort VIImusasa wevasungwa muPoznań. Poznań yakaziviswa guta rakasimba mumatanho ekupedzisira ehondo, ichitorwa neRed Army muHondo yePoznań, yakapera musi wa22 Kukadzi 1945. 