is considered the founder of the castle king Haakon V Magnusson.Together with the strength of the Norwegian Tønsberg they were the strongest strongholds of Scandinavia. According to legend , the king laid the castle after he was attacked by Alva Erlingsson from Sarpsborg . This is the first time in the history of architecture norveszhkoy when the castle was built of brick and stone.
The castle survived the siege of 1308 ( the Swedes led by Eric Knutsson ).In 1527 , the castle was burned down and was rebuilt in stone Cistercian abbey with a neighboring island.
In 1989, Pope John Paul II celebrated in the square of the fortress Akershus Mass. - This was the first in history when the head of the Roman Catholic Church visited Norway .
Royal sarcophagi in the crypt of the castle chapel.
In the castle chapel buried Norwegian monarchs : King Sigurd I, King Haakon V, Queen Euphemia, King Haakon VII, Queen Maud , King Olav V and Crown Princess Martha.
At the present time in the castle are a museum of the Resistance and the armed forces of Norway. The castle housed the headquarters of the armed forces of Norway and the Ministry of Defence.Castle with a chapel and the castle are open to tourists.
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