Nhau yePoland kubva muna 1939 kusvika muna 1945 inonyanya kutaura nezvenguva kubva pakurwiswa kwePoland neNazi Germany neSoviet Union kusvika pakupera kweHondo Yenyika II. Zvichitevera chibvumirano cheGermany neSoviet chokusarwisa, Poland yakapindirwa neNazi Germany musi wa1 September 1939 uye neSoviet Union musi wa17 September. Hondo dzacho dzakaguma pakutanga kwaOctober neGermany neSoviet Union dzichiparadzanisa uye dzichibatanidza Poland yose. Pashure pokurwiswa kweSoviet Union neAxis muzhizha ra1941, Poland yose yakatorwa neGermany
, iyo yakaenderera mberi nokufambisira mberi mitemo yayo yerusarura uye yokuparadza rudzi muPoland yose. Mukutonga kwose uku, vagari vePoland vakatambura kurasikirwa kukuru kwevanhu nezvinhu. Maererano nokufungidzira kweInstitute of National Remembrance, vagari vePoland vanenge mamiriyoni 5,6 vakafa somugumisiro wokugara kweGermany uye vanenge 150 000 vakafa somugumisiro wokugara kweSoviet. VaJudha vakasarudzwa navaGermany nokuda kwokuparadzwa nokukurumidza uye kwakakwana uye inenge 90 muzana yavaJudha vePoland (vanosvika vanhu vane mamiriyoni matatu) vakapondwa sorutivi rweHolocaust. VaJudha, vaPolish, vaRoma uye vasungwa vemamwe marudzi akawanda vakaurawa "zvakawanda" mumisasa yokuuraya yeNazi, yakadai seAuschwitz, Treblinka neSobibor. Vanhu vokuPoland vakadzvinyirirwa nevaNazi vokuGermany nevaSoviet Union. Mauto eGermany akauraya vanhu vokuPoland vanenge mamiriyoni maviri. Vakanga vane zvirongwa zvenguva yemberi zvokutendeutsa ruzhinji rwevaPoland vakanga vasara kuita basa rouranda uye kuparadza avo vaionekwa se"vasingadikanwi" sorutivi rwakafara rwe"Generalplan Ost". Kucheneswa kwemadzinza uye kuurayiwa kwevaPoland uye kusvika padanho rakaderera maUkraine zvakaitwa kumadokero kweUkraine (pamberi pehondo yePoland Kresy) kubva muna 1943. VaPolish vakapondwa navaUkraine vorudzi.