Romansh language of Grisons, and is a working language in various districts and numerous municipalities within the canton. The first Swiss constitution of 1848, as well as the subsequent revision of 1872, make no mention of Romansh, which at the time was not a working language of the Canton of Grisons either. The federal government did finance a translation of the constitution into the two Romansh varieties Sursilvan and Vallader in 1872, noting however that these did not carry the force of law. Romansh became a national language of Switzerland in 1938, following a referendum. However, a distinction was introduced between "national
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,