Old English - Wikipedia
https://en.wikipedia.org/wiki/Old_EnglishJust as Modern Englishis not monolithic, Old English varied according to place. Despite the diversity of language of the Germanic-speaking migrants who established Old English in Britain, it is possible to reconstruct proto-Old English as a fairly unitary language. For the most part, the differences between the attested regional dialects of Old English developed within Britain, rather than on …