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
Anglo-Norman language century, intermarriages with English nobility became more frequent. French became progressively a second language among the upper classes. Moreover, with the Hundred Years' War and the growing spirit of English nationalism, the status of French diminished. French was the mother tongue of every English king from William the Conqueror (1066-1087) until Henry IV (1399–1413). Henry IV was the first to take the oath in English, and his son, Henry V (1413–1422), was the first to write in English. By the end of the 15th century, French became the second language of a cultivated elite. Until the end of the 13th