Task: Text Categorization
Input (English): After Mieszko helped to unify the tribes, his son Boleslaw became the first king of this country in 1024. This country's legal code was developed under Casimir, and Poniatowski created this country's Committee of National Education. This nation was partitioned in an agreement set up by Frederick the Great in 1772. The German-Soviet pact divided this country, which was the first nation invaded by the Nazis in World War II. For 10 points, name this Eastern European country, the site of Auschwitz and the Warsaw Uprising.
Output (English): History