Frederik IV of Denmark was a king who ruled from 1699 until his death in 1730. He was born on October 11, 1671, and was the son of Christian V of Denmark. Frederik IV is known for his efforts to modernize Denmark and strengthen its economy, particularly through trade and agriculture. During his reign, Frederik IV also focused on military reforms and expanded Denmark's influence in Northern Europe. He was involved in several wars, including the Great Northern War, which aimed to secure Denmark's position against rival powers. His reign marked a significant period in Danish history, characterized by both challenges and advancements.