Individual #Poland__Republic_of_Poland__Polska  a republic in central Europe; the invasion of Poland by Germany in 1939 started World War II
  part:  #battle_of_Tannenberg  #Prussia  #Warsaw  #Cracow  #Gdansk  #Lodz  #Lublin  #Wroclaw  #Oder_River  #Vistula_River
  member:  #Pole
  part of:  #Europe
  type:  #European_country__European_nation  countries occupying the European continent

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