Frederick I of Sweden was a king who reigned from 1720 to 1751. He was born on October 10, 1676, in Schleswig, which is now part of Germany. Frederick became king after the death of Charles XII and was known for his efforts to strengthen the monarchy and improve the economy of Sweden. During his reign, Frederick I focused on cultural development and the arts, promoting the Swedish Academy and supporting various artistic endeavors. He was married to Louise Ulrika of Prussia, and their union helped to strengthen ties between Sweden and Prussia. Frederick's reign is often seen as a period of relative peace and stability in Swedish history.