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 Ladin (Putèr and Vallader) to have equal official standing. No explicit mention of any official language was made in the cantonal constitutions of 1803, 1814, and 1854. The constitution of 1880 declared that "The three languages of the Canton are guaranteed as national languages, without specifying anywhere which three languages are meant. The new cantonal constitution of 2004 recognizes German, Italian, and Romansh as equal national and official languages of the canton. The canton used the Romansh varieties Sursilvan and Vallader up until 1997, when Rumantsch Grischun was added and use of Sursilvan and Vallader was discontinued in 2001. This