Fredriksten

Fredriksten Fortress
Fredriksten festning
Halden, Norway
Fredriksten fortress, Halden, Norway - seen from the city's harbor
Site information
Controlled by Norway
Site history
Built17th century
In use17th century-1905 (fort) - today (military installation)
Battles/wars
  • Swedish invasion 1658
  • Swedish invasion 1659
  • Swedish invasion 1660
  • Swedish invasion 1716
  • Swedish invasion 1718
  • Swedish invasion 1814

Fredriksten is a fortress in the city of Halden in Halden Municipality, Østfold county, Norway.