Dannevirke ('Danes work'), the rampart built by the Danes about 808 across Sleswick (q.v.), just north of the Eider; the scene of fighting in 1849, and razed by the Germans in 1850.
Dannevirke
Chambers's Encyclopaedia, Volume 3: Catarrh to Dion, p. 672
Source scan(s): p. 0683