Druids, Roman historian Cornelius Tacitus declared around 116 C.E., were a violent people who covered their altars with the blood of their captives and consulted their gods using human entrails.

The London visionary William Blake, for instance, was particularly interested in the druids. Welsh exiles in ... Not all their endeavours were to be successful. Indeed, many terms were invented ...

The Druids were the religious officials of the native Britons and they appear to have been the prominent force in fermenting anti-Roman sentiment. The invasion of Anglesey is an explicit ...

Human sacrifice was practiced. When the druids of Anglesey were attacked by the Romans in AD 61, their altars, according to the Roman historian Tacitus, 'were drenched with the blood of prisoners'.