Akershus Fortress

Akershus Fortress or Akershus Castle is a medieval fortress that became constructed to guard and offer a royal residence for Oslo, the capital of Norway. The fortress has additionally been used as a military base, and is nowadays a museum, open for public. It isn't acknowledged exactly while the construction of the fort commenced however it is believed that it passed off across the past due 1290s, with the aid of King Haakon V, changing Tønsberg as one of the most important Norwegian castles of the period. It became built in reaction to the Norwegian nobleman, Earl Alv Erlingsson of Sarpsborg’s in advance assault on Oslo that came about in 1287.

In the aftermath of the assault, it became clear that the metropolis’s present defences weren’t effective and therefore, a stronger shielding centre was wanted. The castle is mentioned in written resources for the primary time in 1300 in a letter from King Haakon to a church in Oslo. However, the letter does not point out how a long way the development of the fort had improved with the aid of then. The citadel has successfully survived all sieges, frequently with the aid of Swedish forces, together with the ones by using forces led through Charles XII in 1716.