Romansh language the most comprehensive collection of Romansh words, which can also be used in the idioms with the necessary phonetic shifts. The signatories of "Pro Rumantsch" stress that Romansh needs both the idioms and Rumantsch Grischun if it is to improve its chances in today's communication society. In Switzerland, official language use is governed by the "territorial principle": Cantonal law determines which of the four national languages enjoys official status in which part of the territory. Only the federal administration is officially quadrilingual. Romansh is an official language at the federal level, one of the three official languages of the Canton
Romansh language the beginning, and virtually all schools switched entirely to German as the language of instruction by 1900, with children in many schools being punished for speaking Romansh well into the 1930s. Early attempts to create a unified written language for Romansh include the "Romonsch fusionau" of Gion Antoni Bühler in 1867 and the "Interrumantsch" by Leza Uffer in 1958. Neither was able to gain much support, and their creators were largely the only ones actively using them. In the meantime, the Romansh movement sought to promote the different regional varieties while promoting a gradual convergence of the five varieties, called