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 opposing the measure, followed by a second petition signed by around 180 Romansh writers and cultural figures, including many who were supportive of Rumantsch Grischun but opposed its introduction as a language of instruction. Opponents argued that Romansh culture and identity was transmitted through the regional varieties and not through Rumantsch Grischun and that Rumantsch Grischun would serve to weaken rather than strengthen Romansh, possibly leading to a switch to German-language schools and a swift Germanization of Romansh areas. The cantonal government refused to debate the issue again however, instead deciding on a three-step plan in December 2004 to introduce