Julius Caesar encountered the Druids during his conquest of Gaul from 58 to 49 BC. They were priests recruited mainly from the nobility and they were the only men powerful enough to organise opposition to Roman rule throughout the Celtic tribes.
The Stories
Power, education & religion Page 160
Caesar, Gallic War VI.13-16 extracts
The Druids’ last stand Page 164
Tacitus, Annals XIV.29-30 extracts
Mistletoe Page 166
Pliny, Natural History XVI.249-51 extracts