The Black Danes where Danish confederation lead by three viking kings of Denmark who amassed their armies in Reading. They consist of three kings, Hemming, Angantyr, and Frodo. The are known adversaries of the Anglo-Saxons. They first appeared in Season 5, in the episode "Baldur".
Ubbe kills Frodo in single combat in "What Happens in the Cave", leaving Hemming and Angantyr as the two viking kings of Denmark alive.
- The term "black danes" is derived from the irish term "Dubgaill" (dark/black foreigners) which the Irish people called certain groups of vikings. Various theroies exists about the meaning of the phrase from the hair color, the color of the sheilds or the color of their sails. Today, the most popular theory is that the term means "the new foreigners". Later Norman settlers where also refered to as "Dubgaill".
- All mention of the term "black dane" was deleted from the final episodes and was only used by the cast members in supplimentary interviews.