Fredriksberg Fortress was created in 1667.
"The soldiers defended the fortress as best they could." "The fortress was built to defend again attacks by Viking raiders." "His stoic demeanor was his fortress against the cruelty the world can inflict."
The plural of fortress is fortresses.
Citadell fortress
when the bible states fortress it is usually in a way of God being the fortress around the demons and the nememy himself, He as in God is the fortress and nothing can come against Him, and he is alo known as strong tower which is in meaning undestrucatble
Acro Polis
Kaunas Fortress was created in 1915.
Fortress of Mimoyecques was created in 1943.
Miracle Fortress was created in 2005.
Przemyśl Fortress was created in 1855.
Ajyad Fortress was created in 1781.
Kiev Fortress was created in 1927.
Dwarf Fortress was created in 2006.
Boden Fortress was created in 1908.
Sky Fortress was created in 2010.
The Fortress Series was created in 1995.
Air Fortress was created in 1987.
Dark Fortress was created in 1994.