Romansh language the results of the Swiss censuses. The decline in percentages is only partially due to the Germanization of Romansh areas, since the Romansh-speaking valleys always had a lower overall population growth than other parts of the canton. Starting in the mid-19th century however, a revival movement began, often called the "Rhaeto-Romansh renaissance". This movement involved an increased cultural activity, as well as the foundation of several organizations dedicated to protecting the Romansh language. In 1863, the first of several attempts was made to found an association for all Romansh regions, which eventually led to the foundation of the "Società Retorumantscha"
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