Other historians blame its destruction , however , on Freiburg 's hunger for power .
This behaviour was the reason that , on 6 December 1388 , Freiburg attacked and destroyed Falkenstein Castle .
Other historians blame Freiburg 's destruction , however , Freiburg Freiburg 's hunger for power .
This behaviour was the reason that , on 6 December 1388 , Freiburg attacked and destroyed Falkenstein Castle .