55 B.C. Julius Caesar's first invasion of Britain5. A.D. Rome acknowledges Cymbeline king of Britain
75 - 77 A.D. Rome's conquest of Britain is complete
122 A.D. Construction of Hadrian's Wall on the northern frontier
360's Series of attacks on Britain from the North
407 A.D. Constantine III named emperor by Roman troops in Britain
408 A.D. Devastating attacks by the Picts, Scots and Saxons
409 A.D. Britons expel Roman officials and fight for themselves
410 A.D. Britain in independent