Martin Luther King Day

noun

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
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Hundreds of people celebrated Dr. Martin Luther King Day on Monday, marching through the streets of Land Park. Mathew Miranda, Sacramento Bee, 21 Jan. 2025 Also, Trump’s inauguration coincided with Martin Luther King Day, a federal holiday which, since 1983, lands on the third Monday in January. Brad Adgate, Forbes, 21 Jan. 2025 Markets were closed Monday for Martin Luther King Day. Kristen Waggoner, Newsweek, 21 Jan. 2025 Alabama and Mississippi in the 1980s adopted Martin Luther King Day as a state holiday, adding it to their existing day honoring Lee. CBS News, 20 Jan. 2025 Today is Martin Luther King Day and his honor, this will be a great honor. Axios, 20 Jan. 2025 Regular trading on the New York Stock Exchange and Nasdaq was closed for the Martin Luther King Day holiday, but there was limited futures trading. John Melloy, CNBC, 20 Jan. 2025 This was supposed to be Miller’s latest time to shine, given his likeness was immortalized in a bobblehead handed out to the thousands of fans cramming into Spectrum Center for the Martin Luther King Day matinee. Roderick Boone, Charlotte Observer, 20 Jan. 2025 To honor the legacy of the Rev. Martin Luther King Jr. and continue to promote his teachings, members of the Fox Valley Christian Ministerial Alliance held their annual Martin Luther King Day Prayer Breakfast in Aurora on Monday morning. David Sharos, Chicago Tribune, 20 Jan. 2025

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Martin%20Luther%20King%20Day. Accessed 28 Jan. 2025.

Last Updated: - Updated example sentences
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