The most important aspect of this was to separate these virtues from the glorification of war and death in battle that is found in much of the language and literature of the Anglo-Saxons.
In another battle against the Saxons, Arthur, with bright Excalibur drawn, rushed headfirst into the throng crying the name of God with each killing blow. 470 men he killed that day.
However, the Norman Conquest did not affect English as much as the Angles and the Saxons' vitory about 600 years earlier, which led to Old English replacing Celtic.
Now the Angles, the Saxons, the Jutes, the Vikings. When they invaded, they lived among the people and they were the rulers, but they intermarried with local people.
The area that the Anglo-Saxons conquered like Westeros was divided into small petty kingdoms that eventually coalesced into wouldn't you know its seven kingdoms.
Because all the Saxons who have heard of Uther's death have poured into northern Britain, Arthur lays siege to the city of York in retaliation, and he goes up against the saxons in a bunch of battles.
Each had its own King and Pope Gregory wanted Augustine to visit the Anglo-Saxons and persuade them to abandon their Pagan beliefs and embrace the Christian way of life.