Cassivelaunus or Cassivellaunus

CASSIVELAUNUS or CASSIVELLAUNUS, a British chieftain, the ruler of the country north of the Thames, who led Caturellauni against Julius Caesar on his second expedition (54 B.c.) (see BRITAIN). After several indecisive engagements, Caesar took the camp of Cassivelaunus, who was obliged to make peace on condition of paying tribute and giving hostages.

See

Caesar, B.G. v. 11-22 ; Dio Cassius xl. 2, 3; Orosius vi. 9.6 ; for the etymology of the name see J. Rhys, Celtic Britain, pp. 289-290 (1904) ; C. I. Elton, Origins of English History (189o).