United Nations Day

noun

Definition of United Nations Day

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

First Known Use of United Nations Day

1947, in the meaning defined above

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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 19 Jun. 2021.

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