At the beginning of the Christian era, Western Europe was generally divided into a Celtic-speaking South and a Germanic-speaking North.
As a consequence of the Roman Empire, Latin spread over much of the Celtic-speaking area
The migration of Germanic speakers made the linguistic map of Europe even more complicated.
Language groups
Celtic languages: in Western Europe, including modern France, northern Italy and Spain, in the first millennium BC.
Latin: the language of Latium ( 拉齐奥，in central Italy) originally, later the dialect of Rome. It survived in the central areas of continental Europe, where it gradually changed into different varieties。
Romance languages（罗曼司语：Catalan, French, Italian, Portuguese, Romanian, and Spanish）
Language in Britain
Pre-Anglo-Saxon Period
The period of “Roman Conquest”:
Anglo-Saxon Settlement
Early English
Early English dialects: a great variety in the early days
The northern dialects
Traces of the old dialect of Kent survive in modern English.
The Beginning of Written English
The English in Power and The Making of the Early British People
