District of Thusis The District of Thusis comprises the whole left bank of the Hinter Rhine Valley (Heinzenberg), from the Viamala as far as the Rothenbrunnen Gorge, including the communes of Cazis, Flerden, Masein, Portein, Präz, Sarn, Tartar, Thusis, Tschappina and Urmein. According to some experts the name Thusis is derived from the Celtic river name " tauso " (cf. Töss in Canton Zurich), by which the HinterRhine is meant; other experts reject this derivation. The most important pre-historic find is the settlement on the Petrus Hill near Cazis, which belongs to the Neolithic period-the so-called Horgen period of 2000 BC. The finds on the Cresta near Cazis belong to the early and middle Bronze Age periods. The historical importance of the territory is shown by the fact that the main Roman road to the Splügen and San Bernadin Passes undoubtedly crossed through this territory. In the Middle Ages the Barons of Vaz held the sovereign rights, which were inherited by the Dukes of Werdenberg-Sargans in 1338. In 1383 Duke Johann sold the bailiwick at Heinzenberg to his brother-in-law, Ulrich Brun the Powerful of Räzüns. After the death of the last Lord of Räzüns in 1459 the Lords of Werdenberg-Sargans again took possession until, in 1479, the Bishop of Chur took over. In 1709 the communes bought the remaining rights from him. The greater part of the property at Heinzenberg belonged to the convent at Cazis, which was founded in the year 700 by Victor, Bishop of Chur. The people who had immigrated from the upper Rhine Valley (Walsers) founded the scattered settlements at Tschappina, on the convent's mountain domains; the first documents of the settlement date from 1398. In 1395 the people fom the Heinzenberg, together with the people from Räzüns, joined the Grey League at Ilanz and formed the three jurisdictions: Thusis with the villages of Cazis, Masein, Tartar and Thusis; Heinzenberg with the villages of Flerden, Portein, Präz, Sarn and Urmein; and finally Tschappina with its own court. The new faith, preached from Thusis by Blasius Prader and Christian Hartmann, took a hold in the whole district, but not, however, in Cazis, which held true to the old belief, probably because of the influence of the monastery. Eventually the convent community died out, as a result of the law against the acceptance of novices laid down in 1526 in the Articles of Ilanz. In 1623 the convent was restored, but it was given back only a small portion of its possessions, which had been distributed to the communes of the Grey League after the death of the last abbess in 1570. On the Heinzenberg, as well as at Domleschg on the other side of the river, there were bitter party fights during the conflicts in the Grisons, which reached a climax at the arbitrary proceedings of the High Court of Thusis in 1618. The quieter times which followed after the middle of the 17th century led to new prosperity. Already in 1473 Duke Jörg of Werdenberg-Sargans and the Heinzenberg communes had decided to open up a road and the path between Thusis and Schams, called Fyamala, and in so doing had laid the foundation for the flourishing trade lasting, with short interruptions, for centuries, and bringing prosperity to the market town of Thusis and the other communities of the Heinzenberg. The opening of the railway through the Gotthard in 1882 brought this prosperity to an end. The Rhine correction, carried out between 1830-1834, was one of the greatest achievements of the first half of the 19th century. For centuries the material carried down by the torrents of the Nolla had been a problem for the people of Thusis, but the water-correction enabled them to win valuable arable land. As a result of the reorganisation of the canton in 1851, the jurisdiction of Safien was taken away from the High Court of Thusis, and the three remaining jurisdictions, Thusis, Heinzenberg and Tschappina, were amalgamated in the District of Thusis. Most of the communes on the Heinzenberg are completely or predominantly German-speaking. The Romansh dialect is Sutsilvanian. Well-known personalities from the District of Thusis: Richard La Nicca (1794-1833) from Sarn, for many years held a leading position in the construction of the alpine roads in the Grisons. He fathered the idea of the Rhine correction at Domleschg, and afterwards took a leading part in work on various other river corrections, including those in the Jura. Not less important were his plans and the work he carried out with such energy for a railway across the Alps in the Grisons. Emil Camenish (1874-1958) was a clergyman from Heinzenberg in the Gruob. He wrote a study of the commune of Tschappina, as well as a number of historical studies of the Reformation. His greatest work was the History of the Reformation in the Grisons, which he was commissioned to write for the Evangelic-Raetian Synode. District Coat of arms : Gules, a lion rampant in silver. Blazonry: With the reorganisation of the canton into various districts in 1851, the jurisdictions of Thusis, Heinzenberg and Tschappina were amalgamated into the District of Thusis. Heinzenberg, which was the largest and most important of these jurisdictions, bore a rampant silver lion on red field, which were also the colours of the former Lords of Werdenberg. The coat of arms of Heinzenberg has therefore, for historic reasons, become the coat of arms of the District of Thusis. District colours: red-white.