The Medal of Honor was created during the American Civil War and is the highest military decoration presented by the United States government to a member of its armed forces. The recipient must have distinguished themselves at the risk of their own life above and beyond the call of duty in action against an enemy of the United States. Due to the nature of this medal, it is commonly presented posthumously.
Although Medals of Honor can be awarded only to members of the U.S. armed forces, being a U.S. citizen is not a prerequisite for eligibility to receive the medal. Since the American Civil War, hundreds of people born outside the United States have received the medal, the most recent of these recipients being Pedro Cano and Jesus S. Duran who received their medals in March 2014 for actions performed during World War II and the Vietnam War respectively. The large number of foreign-born recipients during the 19th and early 20th centuries was mostly due to immigration waves from Europe.
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In addition to the named recipients, the United States Congress has on a few occasions passed special legislation to award the Medal of Honor to Unknown Soldiers of allied foreign nations.