For the first time in history, all 50 states of America celebrated Martin Luther King Jr. National Holiday.
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US President Jimmy Carter expressed his support for Martin Luther King's birthday to become a national holiday.
Martin Luther King Jr. posthumously received the US Medal of Freedom by President Jimmy Carter.
Martin Luther King Jr. writes 'Letter from a Birmingham Jail'.
Martin Luther King started his first of many non-violent demonstrations in Birmingham, Alabama, US.
Martin Luther King's son met the man convicted of killing his father, James Earl Ray.
