Bolesław IV the Curly 1125 – 1173

Biography

Bolesław IV the Curly was born on January 1, 1125, and rose to become a High Duke of Poland during the medieval period. His distinctive epithet, “the Curly,” distinguished him among the rulers of his time and remains part of his historical identity. During his lifetime, Poland was navigating the complex political landscape of Central Europe, and Bolesław held significant authority over Polish territories as a high duke—a position of considerable power and responsibility in the region’s feudal hierarchy.

Bolesław IV died on January 12, 1173, in Kraków, the major Polish city that would later become the nation’s cultural and historical heart. His death marked the end of a significant chapter in Polish ducal history. Though the specific circumstances surrounding his final illness remain unrecorded in available sources, his passing in Kraków underscores the city’s importance as a center of power during the medieval Polish state. Bolesław IV’s reign and life continue to represent an important period in Poland’s early development as a unified duchy.