Wrocław (Breslau; Vratislav; Vratislavia or Wratislavia; Yiddish: "ברעסלוי") is the chief city of the historical region of Lower Silesia in south-western Poland, situated on the Oder (Odra) river. Over the centuries the city has been part of Poland, Bohemia, Austria, Prussia, and Germany. In 1945, the Potsdam Agreement...