United Nations Day

noun

: October 24 observed in commemoration of the founding of the United Nations

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of United Nations Day was in 1947

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Cite this Entry

“United Nations Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/United%20Nations%20Day. Accessed 5 Jul. 2026.

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