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 in 1885. In 1919, the Lia Rumantscha was founded to serve as an umbrella organization for the various regional language societies. Additionally, the role of Romansh in schooling was strengthened, with the first Romansh school books being published in the 1830s and 1840s. Initially, these were merely translations of the German editions, but by the end of the 19th century teaching materials were introduced which took the local Romansh culture into consideration. Additionally, Romansh was introduced as a subject in teacher's college in 1860 and was recognized as an official language by the canton in 1880. Around the same time,