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 earlier, pre-literature tradition of using Romansh in administrative and legal situations, of which no evidence survives. In their prefaces, the authors themselves often mention the novelty of writing Romansh, and discuss an apparently common prejudice that Romansh was a language that could not be written. The first writing in the Sursilvan and Sutsilvan dialects appears in the 17th century. As in the Engadine, these early works usually focused on religious themes, in particular the struggles between Protestants and Counter-Reformers. Daniel Bonifaci produced the first surviving work in this category, the catechism "Curt mussameint dels principals punctgs della Christianevla Religiun", published