After King Henry VIII divorced her mother, Catherine of Aragon, and married Anne Boleyn, Mary was declared illegitimate and lost her place in the line of succession. In 1553, her granddaughter, Lady Jane Grey, was deposed following a nine-day reign, and Mary—restored to the line of succession in 1544—became queen. She restored Roman Catholicism to England, but the resulting persecution of Protestants and the execution of some 300 heretics earned her the hatred of her subjects and what nickname? Discuss
Source: The Free Dictionary