Britain's Prince Charles has visited the United States more than 20 times and has met with a number of U.S. Presidents. Here, Prince Charles speaks while visiting President Richard Nixon in 1970.
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Prince Charles, fifth from right, and members of the royal family meet with President Jimmy Carter, fourth from left, and other world leaders in 1977.
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Prince Charles sits with President Ronald Reagan in the Oval Office in 1981.
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President George H.W. Bush greets Prince Charles in 1990.
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Prince Charles and other world leaders, including President Bill Clinton, attend the funeral of Israeli Prime Minister Yitzhak Rabin in Jerusalem in 1995.
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Prince Charles and his wife, Camilla, visit President George W. Bush and first lady Laura Bush in 2005. This was Camilla's first official visit to the United States as the Duchess of Cornwall.
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Prince Charles speaks with President Barack Obama in the Oval Office in 2011. Charles and Camilla will meet with Obama again on their upcoming visit to the United States.
