Romansh language published in 1703, though either the Catholic variety of Sursilvan or Putèr was more commonly used there until the 20th century. In the 16th century, the language border between Romansh and German largely stabilized, and it remained almost unchanged until the late 19th century. During this period, only isolated areas became German-speaking, mainly a few villages around Thusis and the village of Samnaun. In the case of Samnaun, the inhabitants adopted the Bavarian dialect of neighboring Tyrol, making Samnaun the only municipality of Switzerland where a Bavarian dialect is spoken. The Vinschgau in South Tyrol was still Romansh-speaking in the
Romansh language language spoken to children and cows, but also that of the village notable, the priest, and the teacher." Additionally, Romansh schools had been common for several years before German had become a necessity, so that Romansh was firmly established as a medium of education. Likewise, in the Upper Engadine, where factors such as increased mobility and immigration by German speakers were even stronger, Romansh was more firmly established as a language of education and administration, so that the language was maintained to a much greater extent. In Central Grisons, by contrast, German had been a central part of schooling since