The Normans are French but they did not want to stay. They then conquered many countries.
Battle of Hastings
King Harold Hardrada was a Viking he attempted to become King of England but didn't because when they conquered York they left all their armour behind. Fortunately they had a axe man who killed 40 soldiers single handedly but one soldier sneaked round and threw a spear at him.
Death of William 1st's death
William duke of Normandy landed on English lands with 700 ships and thousands of soldiers.
William had a wall of normal soldiers a wall of cavalry and a wall of archers and some with cross bows.
He died when his horse stumbled while fighting the French.