Romansh language 17th century, after which it became entirely German-speaking because of the Counter-Reformation denunciation of Romansh as a "Protestant language". When Grisons became part of Switzerland in 1803, it had a population of roughly 73,000, of whom around 36,600 were Romansh speakers—many of them monolingual—living mostly within the Romansh-speaking valleys. The language border with German, which had mostly been stable since the 16th century, now began moving again as more and more villages shifted to German. One cause was the admission of Grisons as a Swiss canton, which brought Romansh-speakers into more frequent contact with German-speakers. Another factor was the increased
Romansh language since it gave the Romansh an advantage when learning other Romance languages. In 1807, for example, the priest Mattli Conrad wrote an article listing the advantages and disadvantages of Romansh: In response however, the editor of the newspaper added that: According to the testimony of experienced and vigilant language teachers, while the one who is born Romansh can easily learn to understand these languages and make himself understood in them, he has great difficulties in learning them properly, since precisely because of the similarity, he mixes them so easily with his own bastardized language. [...] in any case, the conveniences