Ring Fort of Sandby Borg

The ring-fort of Sandby Borg in Sweden was the site of a 1,500 year-old mysterious massacre. During the European Migration Era in Sweden, during 5th Century B.C., the fort was swiftly attacked, with all its inhabitants killed and left where they fell. The fort was then abandoned, with no looting of goods or livestock nor burial of victims, and shunned up until modern times.