variants or D-day
: a day set for launching an operation
specifically : June 6, 1944, on which Allied forces began the invasion of France in World War II

Examples of D-Day in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Likewise, Adolf Hitler’s Germany surrendered to the Allied forces only after the destruction of Berlin, despite the successful invasion on D-Day and defensive offensive actions of the Russian army. Chicago Tribune, 5 Aug. 2025 His viral videos include a retelling of his experience in Normandy on D-Day, stories about their family history and other details about Jake's time stationed in Northern Ireland during WWII. Zoey Lyttle, People.com, 21 July 2025 His interview on D-Day by CNN's Christiane Amanpour won an Emmy award in June. Chandelis Duster, NPR, 20 July 2025 Larson of Lafayette, California, fought in six battles during World War II while storming Omaha Beach on D-Day and then in the Battle of the Bulge. Ashley J. Dimella, FOXNews.com, 4 July 2025 See All Example Sentences for D-Day

Word History

Etymology

D, abbreviation for day

First Known Use

1918, in the meaning defined above

Time Traveler
The first known use of D-Day was in 1918

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Cite this Entry

“D-Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/D-Day. Accessed 21 Aug. 2025.

Last Updated: - Updated example sentences
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