Since the fortress was conquered with the Austrian Military in the 19th century and was wholly defenseless, the occupying troops were transporting each of the guns. Chronologists date the fort to 1018 or 1038. Having said that initially records with the forts existence are from 1301 when the council voted https://gameofthronesfilminglocat08528.diowebhost.com/90459655/fort-lovrijenac-guide-history-views-game-of-thrones-fame