Joan Bocher was burned to death in England in 1550 AD. Her crime? The Encyclopaedia Britannica (1964) says: "She was condemned for open blasphemy in denying the Trinity, the one offence which all the church had regarded as unforgivable ever since the struggle with Arianism."

On October 27th, 1553, Michael Servetus, a medical practitioner, was burned at the stake at Geneva, Switzerland, for denying the doctrine of the Trinity.

In 1693, a pamphlet attacking the Trinity was burned by order of the House of Lords, and the following year its printer and author were prosecuted.

In 1697,...