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
Anglo-Saxon warfare Anglo-Saxon warfare The period of Anglo-Saxon warfare spans the 5th Century AD to the 11th in England. Its technology and tactics resemble those of other European cultural areas of the Early Middle Ages, although the Anglo-Saxons, unlike the Continental Germanic tribes such as the Franks and the Goths, do not appear to have regularly fought on horseback. Although much archaeological evidence for Anglo-Saxon weaponry exists from the Early Anglo-Saxon period due to the widespread inclusion of weapons as grave goods in inhumation burials, scholarly knowledge of warfare itself relies far more on the literary evidence, which was only being produced