Anglo-Saxons there was a flowering of literature and language. Charters and law were also established. The term "Anglo-Saxon" is popularly used for the language that was spoken and written by the Anglo-Saxons in England and eastern Scotland between at least the mid-5th century and the mid-12th century. In scholarly use, it is more commonly called Old English. The history of the Anglo-Saxons is the history of a cultural identity. It developed from divergent groups in association with the people's adoption of Christianity, and was integral to the establishment of various kingdoms. Threatened by extended Danish invasions and military occupation of eastern
Germanic peoples classical source, modern linguists sometimes designate the Frankish language (and its descendant Dutch) as Istvaeonic, although the geographical term "Weser-Rhine Germanic" is often preferred. However, the classical ""Germani"" near the Rhine, to whom the term was originally applied by Caesar, may not have even spoken Germanic languages, let alone a language recognizably ancestral to modern Dutch. The close relatives of Dutch, Low German, Anglo-Saxon and Frisian, are in fact sometimes designated as Ingvaeonic, or alternatively, "North-Sea Germanic". Frankish, (and later Dutch, Luxembourgish and the Frankish dialects of German in Germany) has continuously been intelligible to some extent with both "Ingvaeonic"