Leopold IV, Duke of Austria

Leopold IV was Duke of Austria during the late 12th century, from 1136 until his death in 1141. He belonged to the powerful Babenberg family and played a significant role in the political landscape of medieval Austria. Known for his leadership and management of the duchy, Leopold IV continued the efforts of his predecessors to strengthen and expand their territory. His reign was marked by alliances and conflicts typical of the time, and he is remembered as a key figure in the establishment of Austria as a notable regional power in Central Europe.