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 is markedly different from Sursilvan and is referred to as "Tuatschin". Additionally, the standardized variety Rumantsch Grischun, intended for pan-regional use, was introduced in 1982. The dialect of the Val Bregaglia is usually considered a variety of Lombard, and speakers use Italian as their written language, even though the dialect shares many features with the neighboring Putèr dialect of Romansh. As these varieties form a continuum with small transitions from each village to the next, there is no straightforward internal grouping of the Romansh dialects. The Romansh language area can be described best as consisting of two widely divergent varieties,