Boden Fortress, or Bodens fästning, is a recently decommissionedfortress surrounding the city of Boden, in northern Sweden. During the 20th century the fortress was a top secret installation and neither the size nor the extent of the fortress was public knowledge. A reserve fleet or (less formally) mothball fleet is a collection of naval vessels that are fully equipped for fighting but are not currently needed. ... Fortifications (Latin fortis, strong, and facere, to make) are military constructions designed for defensive warfare. ... Boden is a Municipality in Norrbotten County, in northern Sweden. ... (19th century - 20th century - 21st century - more centuries) Decades: 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s As a means of recording the passage of time, the 20th century was that century which lasted from 1901–2000 in the sense of the Gregorian calendar (1900–1999 in the...
Five of the mookuntains surrounding Boden were at the turn of the 19th century chosen to house the large fortess constellation. The fortress consists of a number of self-supporting forts excavated out of the bedrock, the building cost for these underground installations was astronomical. The intended use for the fortress was as a protection against an armed attack from the east through Finland and until the 1960s parts of the Swedish gold reserve was held at there. The last shots from the artillery cannons were fired in 1997 and in 1998 the entire fortress was decommissioned. Some of the forts are today open to the public as tourist attractions. Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ... Fortifications (Latin fortis, strong, and facere, to make) are military constructions designed for defensive warfare. ... Bedrock is the native consolidated rock underlying the Earths surface. ... The 1960s decade refers to the years from 1960 to 1969, inclusive. ... Historically, artillery refers to any engine used for the discharge of projectiles during war. ... 1997 (MCMXCVII) is a common year starting on Wednesday of the Gregorian calendar. ... 1998 (MCMXCVIII) is a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean. ... A tourist attraction is a place where tourists, foreign and domestic, normally visit. ...