National Navajo Code Talkers Day

State Holiday

National Navajo Code Talkers Day is a state holiday in the USA

AZ

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Bennington Battle Day

State Holiday

Bennington Battle Day is a state holiday in Vermont. It commemorates the American victory at the Battle of Bennington during the Revolutionary War in north America in 1777.

VT

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National Senior Citizens Day

Observance

National Senior Citizens Day is an observance on the third Sunday of August to honor the contributions of senior citizens in the United States.

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Bennington Battle Day observed

8/17/2026

State Holiday

Bennington Battle Day is a state holiday in Vermont. It commemorates the American victory at the Battle of Bennington during the Revolutionary War in north America in 1777.

VT

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World Humanitarian Day

8/19/2026

United Nations observance

The United Nations’(UN) World Humanitarian Day focuses on increasing public awareness about humanitarian service worldwide and is annually observed on August 19.

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National Aviation Day

8/19/2026

Observance

National Aviation Day is observed in the United States on August 19 each year to celebrate the history and development of the aviation.

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International Day of Remembrance and Tribute to the Victims of Terrorism

8/21/2026

United Nations observance

International Day of Remembrance and Tribute to the Victims of Terrorism is a United Nations observance in the USA

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Hawaii Statehood Day

8/21/2026

State Holiday

Hawaii’s Statehood Day is celebrated on the third Friday of August to commemorate the anniversary of Hawaii’s statehood.

HI

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