Ferdinand Alvarez de Toledo, the third duke of Alba (1507-82), is known to history as "the butcher of Flanders." The general who carried out Philip II's repressive policies in the Netherlands, he was responsible for the massacre of thousands of men, women, and children, considering it better to lay waste an entire country than leave it in the hands of heretics. Alba came to represent for contemporaries as well as for future generations the unacceptable...