Romansh language Grisons, the language borders largely stabilized in the 16th century and remained almost unchanged until the 19th century. This language area is often called the "Traditional Romansh-speaking territory", a term introduced by the statistician Jean-Jacques Furer based on the results of the Swiss censuses. Furer defines this language area as those municipalities in which a majority declared Romansh as their mother tongue in any of the first four Swiss censuses between 1860 and 1888. In addition, he includes Fürstenau. This represented 121 municipalities at the time, corresponding to 116 present-day municipalities. The villages of Samnaun, Sils im Domleschg, Masein, and
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,