Policing blasphemy and blasphemers has caused problems for various forms of authority since time immemorial. It combines the conflicting imperatives of controlling anti-social behaviour, public order, protection of the peace and the lasting concerns of individuals having rights to freedom of expression. While the imperatives of the first two conceptions have been fundamentally important in Europe since medieval times, the issues associated with the second two have only emerged with any serious and lasting impact since the Enlightenment. Although the Reformation heightened the urge and aspiration among authority to establish behavioural conformity around the subject of religion, it was later developments that cemented the significance of thi...