In addition to English, literature has been written in a wide variety of other languages in Britain, that is the United Kingdom, the Isle of Man and the Channel Islands (the Isle of Man and the Bailiwicks of Guernsey and Jersey are not part of the United Kingdom, but are closely associated with it, being British Crown Dependencies). This includes literature in Scottish Gaelic, Welsh, Latin, Cornish, Anglo-Norman, Guernésiais, Jèrriais, Manx, and Irish (but only in Northern Ireland after 1922). Literature in Anglo-Saxon (Old English) is treated as English literature and literature in Scots as Scottish literature.
The nature of British identity has changed over time. The island that contains England, Scotland, and Wales has been known as Britain from the time of the Roman Pliny the Elder (c. AD 23–79). Though the original inhabitants spoke mainly various Celtic languages, and English as the national language had its beginnings with the Anglo-Saxon invasion of c.450 A.D.