The translation of which book into Swedish and Danish helped to bring the use native languages region literature?

The book that is most often cited for its impact on the use of native languages in regional literature in Sweden and Denmark is "The Tale of a Tub" by Jonathan Swift.

Here's why:

* Early Translation: The book was translated into Swedish in 1731 and Danish in 1732, relatively early in the development of these literary traditions.

* Influence on National Identity: The book, with its satirical and witty style, inspired local writers to emulate its approach, contributing to the formation of distinct national literary styles.

* Promotion of Vernacular Language: While it's debatable if "The Tale of a Tub" directly caused a sudden shift towards vernacular languages, it undoubtedly helped to solidify their place in literature alongside Latin and other "high" languages.

It's important to note that this was a gradual process, and other factors played a role, including the rise of nationalism and the increasing availability of education in native languages. However, "The Tale of a Tub" is recognized as a significant landmark in the development of Swedish and Danish literature.