Answer:Hugo Weaving's character wears a Guy Fawkes mask. Remember, remember, the Fifth of November, the Gunpowder Treason and Plot.
Explanation:
Celebrated with fireworks as Guy Fawkes Day, this English holiday marks the anniversary of the Gunpowder Plot, when Roman Catholics led by Robert Catesby tried to blow up Parliament, the king, and his family this day in 1605.