I. Harold was born in 1015. Harold Knud's sons. After Knud passed away, in 1035 Harold became king of England.
Harold could only be the king of England. Because the people of Denmark and Norway did not swear allegiance to Harold. Harold was not interested in Norway or Denmark because of problems in England.
During Harold's time, Britain created a great army of troops. And Harold had to fight this army. But Harold was weakened by the army wars, though he did not suffer a great defeat in these wars. In the time of Harold, the English army conquered many places belonging to Harold.
Harold was especially love about hunting. Also, because Harold was too fast, the Vikings addressed Harold as Harold Harefoot.
Harold passed away in 1040.