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• flag day
  flag day

  noun

  tag day.
• Flag Day
  Flag Day

  noun

  June 14, the anniversary of the day (June 14, 1777) when Congress adopted the Stars and Stripes as the national flag of the United States.

flag day

¹ American  

noun

(sometimes initial capital letters)

1. tag day.

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Flag Day ² American  

noun

1. June 14, the anniversary of the day (June 14, 1777) when Congress adopted the Stars and Stripes as the national flag of the United States.

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Flag Day ¹ British  

noun

1. June 14, the annual holiday in the US to celebrate the adoption in 1777 of the Stars and Stripes

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flag day ² British  

noun

1. a day on which money is collected by a charity and small flags, emblems, or stickers are given to contributors

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Etymology

Origin of flag day

First recorded in 1910–15

Example Sentences

See Examples For:

flag day Flag Day

It was a red flag day with triple-digit temperatures and a strong, dry wind blowing from the south.

From Los Angeles Times ● Jul. 25, 2026

He skipped an annual ceremony on Sunday in Minsk for Belarus’s flag day, an event at which he usually speaks, leaving his prime minister to read a statement.

From New York Times ● May 15, 2023

Tuesday is Ukraine’s national flag day and Wednesday — Aug. 24 — is the celebration of independence from control by Moscow that the former Soviet Union republic declared in 1991.

From Seattle Times ● Aug. 22, 2022

Pelle also noted that the day the fire started was a "red flag day," meaning people were not allowed to start fires.

From Fox News ● Jan. 2, 2022

Grimsby is to have a flag day for the local hospitals.

From Punch, or the London Charivari, Volume 156, June 4, 1919. by Various

“We do Flag Day real big up here,” notes one of many cheerful residents of Three Oaks, Mich., in a literally and figuratively flag-waving documentary about the immensely pleasing nature of small-town pride.

From The Wall Street Journal ● Jun. 11, 2026

It takes place on the US holiday of Flag Day -- which also happens to Trump's birthday.

From Barron's ● May 26, 2026

The agency also added Flag Day, which is Trump’s birthday, as a free entry day.

From Los Angeles Times ● Jan. 16, 2026

Most U.S. states now hold celebrations honoring Juneteenth as a holiday or a day of recognition, like Flag Day.

From Washington Times ● Jun. 7, 2023

If by “celebrity,” you mean the guy who tosses candy from the back of a red convertible that leads Batavia’s annual Flag Day parade.

From "Love, Hate & Other Filters" by Samira Ahmed