Poland lost a significant amount of territory after new borders were drawn up in the Yalta Agreement in 1945, including the eastern regions around Wilno (Vilnius) and Lwew (Lvov).
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After new borders were drawn up in the Yalta Agreement in 1945, Poland lost a significant amount of territory, ncluding the eastern regions around Wilno (Vilnius) and Lwew (Lvov).
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The eastern regions around Wilno and Lwew are still owned by Poland.