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Concept
Biasca
Summary
Biasca is a town of the district of Riviera in the canton of Ticino in Switzerland.
Biasca is first mentioned in 830 as Aviasca in the Liber viventium of Pfäfers Abbey. In 1119 it was mentioned as Abiasca.
In 948, the Bishop of Vercelli donated the area around Biasca to the Bishop of Milan. This led to the spiritual and secular domination of the valley north of Bellinzona. During the Bishop's conflicts with the Holy Roman Empire over the Lombardy provinces, Biasca and the surrounding region suffered from armies marching through the valley.
A branch of the Orelli family of Locarno was given the castle above Biasca, near the chapel of S. Petronilla, in the 12th century. They were also given the rights of high justice over the village. However, in 1292 the village was able to push through an agreement that allowed them to elect some local leaders, giving them limited self-government. The Orelli family ruled until the middle of the 14th century, when their territory was incorporated into the dominion of the Visconti. They granted the village along with the Blenio valley to the Bolognese Pepoli family. In the second half of the 14th century, Biasca as was granted the right to choose the Console who had the right to call courts. This right was confirmed in 1422 and subsequent years. In 1403, after the death of Gian Galeazzo, the Visconti Duke, Biasca was conquered by the two Swiss cantons of Uri and Obwalden and incorporated into the Italian bailiwicks of the two towns. In 1422 the Visconti troops of Milan attacked and at the Battle of Arbedo defeated the Swiss and reestablished Milan's borders.
In 1439, the town was attacked by Uri once again. The Duke of Milan reinforced Biasca and in 1441 made it a bulwark against the Leventina valley which had been conquered by Uri. It was again attacked and occupied by Uri in 1449. The town reached an agreement in 1450 with the new Duke of Milan, Francesco Sforza, which confirmed the previously extended rights. Other raids took place after the death of Francesco Sforza in 1466 and during the campaign of 1478.
Official source
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