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 language in the Surses, but has mostly disappeared from the Albula Valley. The highest proportion of habitual speakers is found in Salouf with 86.3%, the lowest in Obervaz with 18.9%. In these areas, many Romansh speakers only speak German with their spouses as an accommodation or because of a habit, though they sometimes speak Romansh to their children. In most cases, this is not because of a will to preserve the language, but because of other reasons such as Romansh having been their own childhood language or a belief that their children will later find it easier to learn additional