The Grasburg rule is a historical territory in what is now Switzerland . It corresponds to the Schwarzenburg district in the canton of Bern . From 1423 to 1798 the Grasburg rule was a common rule within the Old Confederation under the cities of Bern and Freiburg .
The name of the estate is derived from the Grasburg in the area of the municipality of Wahlern . Often the name of the rule is incorrectly given as Schwarzenburg. The confusion stems from the fact that the former Grasburg imperial fortress was still used as the official residence of the Bernese and Friborg bailiffs from 1423 to 1575 , but was then abandoned because of the high maintenance costs. A new bailiff's palace was then built in the village of Schwarzenburg .
The Grasburg rule was an imperial fiefdom that came into the possession of the Counts of Kyburg in the early Middle Ages . After their extinction, Grasburg came to the Habsburgs . In 1310 this grass castle had to pledge to the dukes of Savoy , who in turn pledged it to citizens of the city of Freiburg. In 1423, Savoy sold the rulership to the cities of Bern and Friborg, which, with a brief interruption (from 1448 to 1455, Friborg had to renounce its co- rulership ), administered the area as common rule . The Reformation was introduced in Grasburg after 1528 through the influence of Bern .
After the fall of the Old Confederation in 1798, Grasburg became part of the Canton of Bern.