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Oprah Winfrey hangs out with Nelson Mandela

Oprah Winfrey (arms raised, right) stands next to Nelson Mandela during a public appearance in 2008, the year of his 90th birthday. Mandela was celebrated at a 46664 Concert in Hyde Park, London on June 27th that year -- the 46664 referencing his prisoner number for many of his years in prison.

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