Anglo-Norman language general use of the word "acre" for land measurement in Normandy until metrication in the 19th century, but these words are probably linguistic traces of Saxon or Anglo-Scandinavian settlements between the 4th and the 10th centuries in Normandy. Otherwise the direct influence of English in mainland Norman (such as "smogler" - to smuggle) is from direct contact in later centuries with English, rather than Anglo-Norman. When the Normans invaded England, Anglo-Saxon literature had reached a very high level of development. The important Benedictine monasteries both wrote chronicles and guarded other works in Old English. However, with the arrival of the
Christianity in Anglo-Saxon England Christianity in Anglo-Saxon England The history of Christianity in England from the Roman departure to the Norman Conquest is often told as one of conflict between the Celtic Christianity spread by the Irish mission, and Roman Christianity brought across by Augustine of Canterbury. Christianisation of the Anglo-Saxon Kingdoms began in AD 597, influenced by Celtic Christianity from the north-west and by the Roman church from the south-east, gradually replacing Anglo-Saxon polytheism which had been introduced to what is now England over the course of the 5th and 6th centuries with the arrival of the Anglo-Saxons. The first Archbishop of Canterbury,