Martin Luther King Jr.’s birthday is January 15, 1929.

Basic details

  • Martin Luther King Jr. was born on January 15, 1929, in Atlanta, Georgia, U.S.
  • Many people in the United States honor his birthday with a federal holiday observed on the third Monday of January each year, which does not always fall exactly on January 15.

Holiday vs. actual birthday

  • The U.S. federal holiday is officially called the “Birthday of Martin Luther King, Jr.” and is commonly known as MLK Day.
  • While his actual birth date is always January 15, MLK Day moves between January 15 and January 21 depending on the year.

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