The earliest known mention of the castle dates from 1188 as "castrum Breidervort".
[1] On the forecourt of the castle developed a small city during the time.
The explosion did hit the castle and city which was badly damaged.
[2] In April 2009 there were found heavy wall remnants on the site during excavations.
Some parts of the Curtain wall of the castle are made visible by brassmarking on the square.