As every schoolboy knows, Edward II was murdered in a particularly unpleasant way in 1327.
On the night of 11 October while lying in on a bed [the King] was suddenly seized and, while a great mattress... weighed him down and suffocated him, a plumber’s iron, heated intensely hot, was introduced through a tube into his secret parts so that it burned the inner portions beyond the intestines.
(The Chronicle of Geoffrey the Baker c.1360)
This method was perhaps chosen because it seemed a fitting punishment for the King’s homosexuality but it was also because the primitive science of autopsy would not be able to reveal the manner of his death – the tube into which the red hot iron was inserted would have meant that there were no scorch marks on the buttocks. Sadly, there is little contemporary evidence that the King died in this manner...