Cnut, also known as Cnut the Great, was a Norse king who ruled over England, Denmark, Norway, and parts of what is now Sweden during the early 11th century. He was born around 995 and became king of England in 1016 after a series of battles. Cnut is known for uniting these territories and establishing a North Sea empire. Cnut's reign is often remembered for his efforts to strengthen the monarchy and promote Christianity. He implemented laws and reforms that improved governance and stability in his kingdoms. Cnut's legacy includes his famous legend of attempting to command the tides, symbolizing the limits of royal power.