Klingnau Castle

There is a palace in Klingonu Municipality in Swiss Canton of Klingonu, Aragua. The construction of the palace was originally started in the Klingon family's seat, 1240. By 1269 a manor house was standing on the ground. External walls were added after 1331. Bishop of Constance often lived in the palace in the latter half of the 14th century. They ordered further improvement and expansion. At the end of the 16th century, the palace, which was the seat of Belief from Constance, in such a bad situation that the Swiss Confederation demanded a renewal from the Bishop.

In 1804, the castle moved to newly created Cantor Argo, which it auctioned in 1817. As a result it has been used by various industries, until the 20th century when it was taken by a foundation. The center of Old Swiss was an alliance between the valley communities of the Confederacy Central Alps, which facilitates the management of general interests such as business management and ensures peace with trade routes through the mountains.