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.
My father-in-law served in the 82nd Airborne in World War II, trained at Fort Bragg and helped fly a glider plane behind enemy lines on D-Day. Chicago Tribune, 20 June 2025 With Bedford suffering the highest per-capita D-Day losses in the nation, the town holds a deep connection to World War II history. Abby Price, Travel + Leisure, 9 June 2025 Sanders recalled how the United States just celebrated the anniversary of D-Day on Friday, in which U.S. troops began the landing of Normandy to defeat fascism and Nazism. Asher Notheis, The Washington Examiner, 8 June 2025 How many people died on D-Day? On D-Day alone, around 4,440 Allied troops were confirmed dead, according to the Commonwealth War Graves Commission (CWGC), with more than 5,800 troops wounded or missing. Catherine Nicholls, CNN Money, 5 June 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

Browse Nearby Words

Cite this Entry

“D-Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/D-Day. Accessed 27 Jun. 2025.

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