There were mentions about a fort located on this site starting from 9th century but the fortress that we are seeing at the moment was built in 14th century. Fortress was captured by different states such as Ottoman Empire, Kingdom of Hungary, Habsburg Monarch and the Republic of Yugoslavia.

Name: Bac Fortress

Lat, Long: 45.3929985,19.2217289

Location: Bac, Serbia

Bac Fortress, Bac, Serbia

https://www.weirdgoogleearth.com/wp-content/uploads/2020/03/bac-fortress.jpg?v=1629212461https://www.weirdgoogleearth.com/wp-content/uploads/2020/03/bac-fortress-150x150.jpg?v=1629212461WeirdoHistoric StructuresCastles,Fortress,HistoryThere were mentions about a fort located on this site starting from 9th century but the fortress that we are seeing at the moment was built in 14th century. Fortress was captured by different states such as Ottoman Empire, Kingdom of Hungary, Habsburg Monarch and the Republic of Yugoslavia....Peculiar places from around Google Earth