English language in Europe following the Norman Conquest in 1066, the Anglo-Norman language was the language of administration and few Kings of England spoke English. A large number of French words were assimilated into Old English, which lost most of its inflections, the result being Middle English. Around the year 1500, the Great Vowel Shift marked the transformation of Middle English into Modern English. The most famous surviving work from Old English is "Beowulf", and from Middle English is Geoffrey Chaucer's "The Canterbury Tales". The rise of Modern English began around the fifteenth century, with Early Modern English reaching its literary pinnacle at the
English poetry language. The new aristocracy spoke predominantly Norman, and this became the standard language of courts, parliament, and polite society. As the invaders integrated, their language and literature mingled with that of the natives: the Oïl dialect of the upper classes became Anglo-Norman, and Anglo-Saxon underwent a gradual transition into Middle English. While Anglo-Norman or Latin was preferred for high culture, English literature by no means died out, and a number of important works illustrate the development of the language. Around the turn of the 13th century, Layamon wrote his "Brut", based on Wace's 12th century Anglo-Norman epic of the same