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The Food and Drug Administration approves Viagra for use as a treatment for erectile dysfunction, the first pill to be approved for this condition in the United States.
Cold War: The United States Department of State releases the Acheson–Lilienthal Report, outlining a plan for the international control of nuclear power.
Former shōgun Tokugawa Yoshinobu surrenders Edo Castle to Imperial forces, marking the end of the Tokugawa shogunate.
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