Kammala wannan jumla: Da mamayewar Poland da barkewar yakin duniya na biyu, Wehrmacht na Jamus
sun mamaye birnin a ranar 10 ga Satumba, 1939. An haɗa shi cikin Reichsgau Wartheland a matsayin wani ɓangare na gundumar ko gundumar ("kreis") na Wreschen. Jamusawa sun gudanar da kame-kame da yawa na 'yan Poland na gida, waɗanda daga baya aka tsare su a kurkuku na gida, kuma ba da daɗewa ba aka kashe su a cikin manyan kisan gilla a cikin gandun dajin da ke kusa a watan Oktoba da Nuwamba 1939. 'Yan Poland suma sun fuskanci korar jama'a, duk da haka ƙungiyar juriya ta Poland ta kasance mai aiki a duk tsawon yaƙin. An lalata majami'ar a 1940 kuma sansanin fursunonin Faransa ya yi aiki a yankin. Ƙari ga haka, daga Afrilu 1941 zuwa 1943 an kafa sansanin aiki na tilas ga Yahudawa a kusa da garin. Bayan zuwan Red Army da ƙarshen yaƙin an sanya garin wani ɓangare na Jamhuriyar Jama'ar Poland.