Duke Wartislaw IV was a notable ruler of the Duchy of Pomerania during the late 13th century. He was born around 1280 and became Duke in 1309, leading the region through a period of political and economic development. Wartislaw IV is recognized for his efforts to strengthen the duchy's influence and for his involvement in various regional conflicts. His reign was marked by alliances and rivalries with neighboring territories, including Brandenburg and Mecklenburg. Wartislaw IV's leadership contributed to the consolidation of power in Pomerania, and he played a significant role in the region's history until his death in 1326.