Frederick I, Duke of Saxony (also known as Frederick the Strict), was a prominent nobleman in the late 15th and early 16th centuries. He ruled from 1428 until his death in 1464 and was a member of the House of Wettin. Frederick was known for his efforts to strengthen the power of the duchy and for his role in the political landscape of Holy Roman Empire. During his reign, Frederick I focused on consolidating his territories and enhancing the economic stability of Saxony. He was also involved in various conflicts, including those with neighboring states, which shaped the region's history. His leadership contributed to the development of Saxony as a significant political entity in central Europe.