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 the minority, since it is usually the language of instruction in primary education there. Even in villages where Romansh dominates, newcomers rarely learn Romansh however, as Sursilvan speakers quickly accommodate by switching to German, so that there is often little opportunity to practice Romansh even when people are willing to learn it. Some pressure is often exerted by children, who will sometimes speak Romansh even with their non-Romansh-speaking parents. In the Imboden District by contrast, it is only used habitually by 22%, and is the language of best command for only 9.9%. Even within this district however, the presence of