Romansh language of Grisons, and is a working language in various districts and numerous municipalities within the canton. The first Swiss constitution of 1848, as well as the subsequent revision of 1872, make no mention of Romansh, which at the time was not a working language of the Canton of Grisons either. The federal government did finance a translation of the constitution into the two Romansh varieties Sursilvan and Vallader in 1872, noting however that these did not carry the force of law. Romansh became a national language of Switzerland in 1938, following a referendum. However, a distinction was introduced between "national
Romansh language power of the central government of Grisons, which had always used German as its administrative language. In addition, many Romansh-speakers migrated to the larger cities, which were German-speaking, while speakers of German settled in Romansh villages. Moreover, economic changes meant that the Romansh-speaking villages, which had mostly been self-sufficient, engaged in more frequent commerce with German-speaking regions. Also, improvements in the infrastructure made travel and contact with other regions much easier than it had been. Finally, the rise of tourism made knowledge of German an economic necessity in many areas, while the agricultural sector, which had been a traditional domain