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Martin Luther King Jr. Day - Wikipedia
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Martin Luther King, Jr., Day | Establishment, History, & Facts
What is MLK Day and why do we celebrate? A history of federal …
Martin Luther King Jr. Day: When & Why We Celebrate
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The long struggle to establish Martin Luther King Jr. Day
Why We Celebrate MLK Day | Britannica - Encyclopedia Britannica
The 15 Year Battle for Martin Luther King Jr. Day