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
Jauer dialect (Romansh) 2007, a collection of short stories written in Jauer ("Dschon Uein id atras istorias grischunas") was published In official use and as the language of school, Vallader has traditionally been used in the Val Müstair. In 2007, the valley was one of the first municipalities of the canton to introduce the pan-regional Romansh variety Rumantsch Grischun as the language of schooling and official use. In 2012 however, a municipal assembly voted to return to the use of Vallader in schools. As with other Romansh speakers, virtually all speakers of Jauer with the exception of children below school-age are also proficient