Old English corpus of runic inscriptions from the 5th to 7th centuries, but the oldest coherent runic texts (notably the Franks Casket) date to the 8th century. The Old English Latin alphabet was introduced around the 9th century. With the unification of the Anglo-Saxon kingdoms (outside the Danelaw) by Alfred the Great in the later 9th century, the language of government and literature became standardised around the West Saxon dialect (Early West Saxon). Alfred advocated education in English alongside Latin, and had many works translated into the English language; some of them, such as Pope Gregory I's treatise "Pastoral Care", appear to
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