[1] Throughout the ages the fortification has served a variety of somewhat differing uses: from defensive ringfort, to medieval safe haven and thence a cavalry garrison.
The indigenous peoples of the Iron Age constructed the original fortification about 400 AD, a period known to have engendered contact between Öland natives with Romans and other Europeans.
This 11th century work generally built upon the earlier fort, except that stone interior cells were replaced with timber structures, and a second outer defensive wall was erected.
There is an ample unpaved parking area situated approximately two kilometers west of the paved Öland perimeter highway.
[4] The case was brought to court, on the basis of improper handling of slaughterhouse byproducts, but the museum was freed on all points.
[5] The museum's staff defended their actions on account of presenting the realism of the Iron Age under the guidance of experienced archaeologists.