Romansh language develop. During the 19th century the area where the language was spoken declined, but the Romansh speakers had a literary revival and started a language movement dedicated to halting the decline of the language. In the 2000 Swiss census, 35,095 people (of whom 27,038 live in the canton of Grisons) indicated Romansh as the language of "best command", and 61,815 as a "regularly spoken" language. In 2010, Switzerland switched to a yearly system of assessment that uses a combination of municipal citizen records and a limited number of surveys. Based on this yearly system, the number of people aged 15
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