American civil rights leader Dr. Martin Luther King Jr. (1929-1968) delivers his 'I have a dream' speech to participants in the March on Washington, DC on August 28, 1963.
Mandatory Credit: Washington Bureau/Getty Images
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MLK Day encourages service
Martin Luther King Jr. Day is celebrated on the third Monday in January, although King was actually born on the 15th of January 1929, 94 years ago.

