6 May

Sir James Tyrrell is executed for treason; Thomas More later says he had confessed to the murders.

Princes in the Tower Unsolved

In 1483 a twelve-year-old king and his brother vanished inside the Tower of London and their uncle took the crown. What became of them is still debated.

Matilda Clover's body is exhumed and strychnine is found.

Thomas Neill Cream Executed

A McGill-trained doctor gave strychnine to young women in south London in 1891-92, then wrote blackmail letters that led Scotland Yard straight to him.