Individual #Poland__Republic_of_Poland__Polska  a republic in central Europe; the invasion of Poland by Germany in 1939 started World War II
  instance of:  European_country
  member:  Pole
  part of:  Europe
  part:  battle_of_Tannenberg__Tannenberg  a battle in World War I (1914); decisive German victory over the Russians
  part:  Prussia__Preussen  a former kingdom in north-central Europe including present-day northern Germany and northern Poland; "in the 19th century Prussia led the economic and political unification of the German states"
     part:  Brandenburg  the territory of an Elector of the Holy Roman Empire that expanded to become the kingdom of Prussia in 1701
  part:  Warsaw__capital_of_Poland  the capital and largest city of Poland; located in central Poland
  part:  Cracow__Krakow__Krakau  an industrial city in southern Poland on the Vistula
  part:  Gdansk__Danzig  a city of northern Poland near the mouth of the Vistula River on a gulf of the Baltic Sea; a member of the Hanseatic League in the 14th century
  part:  Lodz  a large city of central Poland
  part:  Lublin  an industrial city of eastern Poland
  part:  Wroclaw__Breslau  a city in southwestern Poland on the Oder
  part:  Oder_River__Oder  a European river; flows into the Baltic Sea
  part:  Vistula_River__Vistula  a European river; flows into the Baltic Sea

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