Legal English the history of the development of English as a legal language. In prehistoric Britain, traditional common law was discussed in the vernacular (see Celtic law). The legal language and legal tradition changed with waves of conquerors over the following centuries. Roman Britain (after the conquest beginning in AD 43) followed Roman legal tradition, and its legal language was Latin. Following the Roman departure from Britain circa 410 and the Anglo-Saxon invasion of Britain, the dominant tradition was instead Anglo-Saxon law, which was discussed in the Germanic vernacular (Anglo-Saxon, Old English), and written in Old English since circa 600, beginning with
Anglo-Norman literature in England, but none of the French plays acted in England in the 12th and 13th centuries has been preserved. "Adam", which is generally considered to be an Anglo-Norman mystery of the 12th century, was probably written in France at the beginning of the 13th century ("Romania" xxxii. 637), and the so-called Anglo-Norman "Resurrection" belongs also to continental French. It is necessary to state that the earliest English moralities seem to have been imitations of the French ones. Attribution Anglo-Norman literature Anglo-Norman literature is literature composed in the Anglo-Norman language developed during the period 1066–1204 when the Duchy of Normandy