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.

Examples of Martin Luther King Day in a Sentence

Recent Examples on the Web Schools were closed in honor of Martin Luther King Day, but Metro Nashville Public Schools and dozens of other districts around the state announced they would be closed on Tuesday − and many on Wednesday, too. USA TODAY, 15 Jan. 2024 The blistering cold temperatures that arrived in Greater Cincinnati this weekend will stick around during the Martin Luther King Day holiday and beyond. Dan Horn, The Enquirer, 15 Jan. 2024 These respite locations are open during regular operating hours but are closed on Martin Luther King Day on Monday and set to reopen on Tuesday. Kylie Martin, Detroit Free Press, 12 Jan. 2024 The 29th annual Greater Philadelphia Martin Luther King Day of Service is billed as the first and largest King day of service in the nation. Jeffrey Collins, Twin Cities, 15 Jan. 2024 Later that year President Ronald Reagan signed into law legislation that made Martin Luther King Day a federal holiday. Ron Grossman, Chicago Tribune, 3 Sep. 2023 Iowa’s caucuses also played out on Martin Luther King Day, a federal holiday. Steve Peoples, Fortune, 16 Jan. 2024 The event, held in advance of Monday’s Martin Luther King Day when the Heat will be playing in Brooklyn, provided more than 200 families with food staples. Ira Winderman, Sun Sentinel, 11 Jan. 2024 The last time the caucuses landed on Martin Luther King Day was in 2004, when Democrat John Kerry won Iowans’ support. Faith E. Pinho, Los Angeles Times, 12 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Martin Luther King Day.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 16 Jun. 2024.

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