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 Ladin (Putèr and Vallader) to have equal official standing. No explicit mention of any official language was made in the cantonal constitutions of 1803, 1814, and 1854. The constitution of 1880 declared that "The three languages of the Canton are guaranteed as national languages, without specifying anywhere which three languages are meant. The new cantonal constitution of 2004 recognizes German, Italian, and Romansh as equal national and official languages of the canton. The canton used the Romansh varieties Sursilvan and Vallader up until 1997, when Rumantsch Grischun was added and use of Sursilvan and Vallader was discontinued in 2001. This