Edgar the Peaceful was a king of England who reigned from 959 to 975 AD. He is known for his efforts to promote peace and stability in the kingdom during a time of conflict. Edgar was the son of Edmund I and became king at a young age, ruling with the support of his mother and advisors. During his reign, Edgar focused on strengthening the monarchy and fostering good relations with neighboring kingdoms. He is often remembered for his coronation ceremony on the River Dee, which symbolized his commitment to peace and unity among the people of England.