Romansh language the tertiary level, the University of Fribourg offers Bachelor- and Master programs for Romansh language and literature. The Romansh department there has been in existence since 1991. The University of Zürich also maintains a partial chair for Romansh language and literature together with the ETH Zürich since 1985. Whereas Romansh was spoken as far north as Lake Constance in the early Middle Ages, the language area of Romansh is today limited to parts of the Swiss canton of Grisons; the last areas outside the canton to speak Romansh, the Vinschgau in South Tyrol, became German-speaking in the 17th century. Inside
Romansh language power of the central government of Grisons, which had always used German as its administrative language. In addition, many Romansh-speakers migrated to the larger cities, which were German-speaking, while speakers of German settled in Romansh villages. Moreover, economic changes meant that the Romansh-speaking villages, which had mostly been self-sufficient, engaged in more frequent commerce with German-speaking regions. Also, improvements in the infrastructure made travel and contact with other regions much easier than it had been. Finally, the rise of tourism made knowledge of German an economic necessity in many areas, while the agricultural sector, which had been a traditional domain