On Oct. 1, 1553, Mary I is crowned — the first time the country will be ruled by a woman. But this monarch will be remembered not as a pioneer, but as a monster. During her five-year reign, hundreds are killed in the name of religion, earning her the label Bloody Mary. But does England’s first queen truly deserve her reputation as one of Britain’s most evil tyrants? Watch Lucy Worsley Investigates this Tuesday at 9/8c! | PBS