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Holidays for Monday, March 17th, 2025

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Image for Act Happy Day
Observed the third Monday in March
Image for National Wellderly Day
Also known as National Well-Elderly Day

Observed the third Monday in March
Image for Submarine Day
Also known as National Submarine Day

Observed annually on March 17th and annually on April 11th
Image for On This Day in History
Things that happened on this day in years past

Multi-day Events Starting on Monday, March 17th, 2025

Multi-day Events Continuing on Monday, March 17th, 2025