Romansh language Forces attempted to introduce Romansh as an official language of command between 1988 and 1992. Attempts were made to form four entirely Romansh-speaking companies, but these efforts were abandoned in 1992 due to a lack of sufficient Romansh-speaking non-commissioned officers. Official use of Romansh as a language of command was discontinued in 1995 as part of a reform of the Swiss military. Grisons is the only canton of Switzerland where Romansh is recognized as an official language. The only working language of the Three Leagues was German until 1794, when the assembly of the leagues declared German, Italian, Sursilvan, and
Romansh language around them remained Romansh-speaking longer. The shift to German was caused in particular by the influence of the local German-speaking élites and by German-speaking immigrants from the north, with the lower and rural classes retaining Romansh longer. In addition, beginning around 1270, the German-speaking Walser began settling in sparsely populated or uninhabited areas within the Romansh-speaking heartland. The Walser sometimes expanded into Romansh-speaking areas from their original settlements, which then often became German-speaking, such as Davos, Schanfigg, the Prättigau, Schams, and Valendas, which became German-speaking by the 14th century. In rare cases, these Walser settlements were eventually assimilated by their