Martin Luther King Day


Mar·​tin Lu·​ther King Day ˈmär-tᵊn-ˈlü-thər-ˈkiŋ- How to pronounce Martin Luther King Day (audio)
: the third Monday in January observed as a legal holiday in the U.S.

Note: The federal name for this holiday according to the United States Code is Birthday of Martin Luther King, Jr.

Word History

First Known Use

1968, in the meaning defined above

Time Traveler
The first known use of Martin Luther King Day was in 1968

Dictionary Entries Near Martin Luther King Day

Cite this Entry

“Martin Luther King Day.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2022.

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