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 by cantonal officials on the grounds that all Romansh speakers are perfectly bilingual and able to understand and speak German. Up until the 1980s it was usually seen as a provocation when a deputy in the cantonal parliament used Romansh during a speech. Cantonal law leaves it to the districts and municipalities to specify their own language of administration and schooling. According to Article 3 of the cantonal constitution however, the municipalities are to "take into consideration the traditional linguistic composition and respect the autochthonous linguistic minorities". This means that the language area of Romansh has never officially been defined,