The document discusses the history and evolution of the English language from its beginnings as Anglo-Frisian dialects brought to Britain by Anglo-Saxon settlers in the 5th century AD. Over the following centuries, the language was influenced by Old Norse during the Viking invasions and then underwent extensive development and standardization after the Norman conquest in 1066 due to the Old French influences of the new Norman rulers. By the end of the 15th century, the groundwork was laid for Modern English.