Normandy -> region in northern coast of France, first settlers the Danes in 9th & 10th centuries.
912 --> King of France recognised their right to occupy the territory.
Rollo --> 1st Duke of Normandy
They adopted main elements of French civilization (legal system, administration, Christianity & their language)
Aethelred, the Unready was exiled in Normandy with wife and son (Edward, the Confessor).
When Danish line in England died out, his son --> King of England, brought some French friends who took best positions starting a reign of French influence.