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 by 1928, when the "Pitschna introducziun a la nouva ortografia ladina ufficiala" by Cristoffel Bardola was published. A separate written variety for Sutsilvan was developed in 1944 by Giuseppe Gangale. Around 1880, the entire Romansh-speaking area still formed a continuous geographical unit. But by the end of the century, the so-called "Central-Grisons language bridge" began to disappear. From Thusis, which had become German-speaking in the 16th/17th century, the Heinzenberg and Domleschg valleys were gradually Germanized over the next decades. Around the turn of the century, the inner Heinzenberg and Cazis became German-speaking, followed by Rothenbrunnen, Rodels, Almens, and Pratval, splitting