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 the Romansh area into two geographically non-connected parts. In the 1920s and 1930s the rest of the villages in the valley became mainly German-speaking, sealing the split. In order to halt the decline of Romansh, the Lia Rumantscha began establishing Romansh day care schools, called "Scoletas", beginning in the 1940s with the aim of reintroducing Romansh to children. Although the "Scoletas" had some success – of the ten villages where Scoletas were established, the children began speaking Romansh amongst themselves in four, with the children in four others acquiring at least some knowledge of Romansh – the program ultimately failed