A culture of eastern Scandinavia found in the late Neolithic Period, c 2000 BC, that was an outlier of the European Battle-Ax cultures. This single-grave culture spread rapidly through Sweden, Finland, and the Danish islands. The people displayed the aspects of a homogeneous culture, with central European trade links. Its characteristic weapon is a slender stone battle-ax shaped like a simple boat with upturned ends. The term 'Boat-ax culture' is sometimes used for the east Scandinavian variant of the Single Grave or Corded Ware culture in which these axes occur.