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Holidays for Monday, August 17th, 2026

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Image for Cupcake Day (Australia)
Also known as RSPCA Cupcake Day

Observed the third Monday in August
Image for National Black Cat Appreciation Day
Also known as National Black Cat Day

Observed annually on August 17th
Image for On This Day in History
Things that happened on this day in years past

Multi-day Events Continuing on Monday, August 17th, 2026