Credit: K. Pęcherski
Józef Piłsudski as photographed between 1910 and 1920. Piłsudski was a leader of the Polish Socialist Party early in his political career. During World War I, he created the Polish Legions which fought alongside the Central Powers and later went on to become a national hero largely responsible for Poland's reëmergence as an independent nation in 1918.