Castel San Pietro

Castel San Pietro is a municipality in the district of Mendrisio in the canton of Ticino in Switzerland.

Castel San Pietro is first mentioned in 1171 as Castellum Sancti Petri. A settlement near the village was mentioned in 865, when an Imperial knight named Sigeradus, granted the area to the monastery of Sant'Ambrogio in Milan. The municipality was originally part of the Vicinanza of Balerna. By 1270 it had an Imperial palace and it was given to Como Cathedral. During the war between Milan and Como a castle was built, which was the origin of the municipality's name. By the mid-13th century, it passed back and forth between the Bishop of Como and the Russ and Rusconi family. At the end of the 14th century, it finally fell into the hands of the family. In the 15th century, it became part of the Pieve of Balerna., claims it made claims. Bishop Boniface built a church in the Castle in 1343. It was later named in memory of the bloody feud between the Bosia and Rusconi family in 1390, as the "Red Church".

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