The Gvozdansko Castle was probably built in the second half of the 15th century, due to mining rights of Croatian Zrinski noble family.

[1] The Turks attempted to conquer the Gvozdansko Castle on several occasions.

[2] The final siege by Ferhat-paša Sokolović with 10,000 soldiers, which was fought from 3 October 1577 to 13 January 1578, was much better prepared.

Ottomans managed to break into castle only after last defenders froze to death in harsh winter, having no wood or anything else to light the fire, on 13 January 1578.

Ottoman commander was stunned by the brave Croatian defenders, after witnessing frozen bodies of defenders still holding their muskets on combat positions in the ruined castle.