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The event is known in Japan as the Akō incident <span> sometimes also referred to as the </span>Akō vendetta<span>. The participants in the revenge are called the Akō-rōshi </span><span> in Japanese, and are usually referred to as the "Forty-seven Rōnin" or "Forty-seven leaderless samurai" in English. Literary accounts of the events are known as the </span>Chūshingura.
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The following activities were one of the original Olympic events: A) discus throw, B) boxing, and C) wrestling was added later.