Romansh language Urmein, which were still Romansh-speaking in the 17th century, had lost their Romansh majority by 1860, and are not included in this definition. This historical definition of the language area has been taken up in many subsequent publications, but the Swiss Federal Statistical Office for instance defines the language area of Romansh as those municipalities, where a majority declared to habitually use Romansh in the census of 2000. The presence of Romansh within its traditional language area varies from region to region. In 2000, 66 municipalities still had a Romansh majority, an additional 32 had at least 20% who declared
Romansh language by 1928, when the "Pitschna introducziun a la nouva ortografia ladina ufficiala" by Cristoffel Bardola was published. A separate written variety for Sutsilvan was developed in 1944 by Giuseppe Gangale. Around 1880, the entire Romansh-speaking area still formed a continuous geographical unit. But by the end of the century, the so-called "Central-Grisons language bridge" began to disappear. From Thusis, which had become German-speaking in the 16th/17th century, the Heinzenberg and Domleschg valleys were gradually Germanized over the next decades. Around the turn of the century, the inner Heinzenberg and Cazis became German-speaking, followed by Rothenbrunnen, Rodels, Almens, and Pratval, splitting