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Casimir Pulaski, born as Kazimierz Michał Władysław Wiktor Pułaski, was a Polish-American military commander who fought in the American Revolutionary War. He is recognized as a national hero in both Poland and the United States. Pulaski was a skilled cavalryman and is credited with organizing the Pulaski Cavalry Legion, which played a crucial role in several important battles during the war.