Final answer:
William the Conqueror invaded Britain from France in 1066 AD and brought Christianity. This event is known as the Norman Conquest and marked a shift in power and culture.
Step-by-step explanation:
The subject of this question is History and the grade level is High School.
In 1066 AD, William the Conqueror invaded Britain from France and brought Christianity to the region. William, who was a Viking-descended king from Normandy in northern France, defeated the Anglo-Saxon king and established Norman rule in England.
This event, known as the Norman Conquest, had a significant impact on English history and marked a shift in power and culture. The Normans built many churches, including Durham Cathedral, which was constructed less than three decades after the invasion.