History of Martin Luther King Jr. Day

Published On: Jan 12 2012 01:22:53 PM CST   Updated On: Jan 16 2015 02:17:09 PM CST

Monday is Martin Luther King Day. Learn more about the complicated history behind this special holiday.

Stevie Wonder
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Lucy Nicholson/Reuters

Singer Stevie Wonder became an advocate and released the song "Happy Birthday" in 1980, which became a rallying cry. The House then passed the bill with a vote of 338 to 90.

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