Mary I, also known as Mary Tudor or Bloody Mary, was the first Queen regnant of England, reigning from 1553 until her death in 1558. She was the daughter of King Henry VIII and Catherine of Aragon, and her reign is primarily remembered for her staunch Catholicism and the persecution of Protestants. Some synonyms for Mary I include Queen Mary, Mary Tudor, the Catholic Queen, the Tudor Queen, and the Marian Persecutions. Despite her controversial reign, Mary I was the first female monarch to rule England, which makes her a pivotal historical figure.