Lebanon Cemetery dates to the 19th century and is the final resting place for more than 3,000 African Americans.
Mandatory Credit:	T.J. Kirkpatrick/Redux for CNN

Lebanon Cemetery dates to the 19th century and is the final resting place for more than 3,000 African Americans.
Mandatory Credit: T.J. Kirkpatrick/Redux for CNN

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Decades of Black history were lost in an overgrown Pennsylvania cemetery until volunteers unearthed more than 800 headstones

Before she became one of America's most-decorated Special Olympics athletes, before the made-for-TV movie and the shared stages with actor Denzel Washington and Presidents Bill Clinton and Barack Obama, Loretta Claiborne was a great-granddaughter -- of one Anna Johnson.