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Holidays for Monday, May 18th, 2026

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Image for HIV Vaccine Awareness Day

HIV Vaccine Awareness Day

Observed annually on May 18th

Image for I Love Reese's Day

I Love Reese's Day

Observed annually on May 18th

Image for International Museum Day

International Museum Day

Observed annually on May 18th

Image for Mother Whistler Day

Mother Whistler Day

Observed annually on May 18th

Image for National Cheese Soufflé Day

National Cheese Soufflé Day

Observed annually on May 18th

Image for National Speech Pathologist Day

National Speech Pathologist Day

Also known as National Speech Language Pathologist Day

Observed annually on May 18th

Image for National Visit Your Relatives Day

National Visit Your Relatives Day

Observed annually on May 18th

Image for No Dirty Dishes Day

No Dirty Dishes Day

Also known as National No Dirty Dishes Day

Observed annually on May 18th

Image for Send an Electronic Greeting Card Day

Send an Electronic Greeting Card Day

Observed annually on May 18th

Image for World AIDS Vaccine Day

World AIDS Vaccine Day

Observed annually on May 18th

Image for On This Day in History

On This Day in History

Things that happened on this day in years past

Daily Updates

Multi-day Events Continuing on Monday, May 18th, 2026

International Pickles WeekObserved the third full week of MayFacebook Twitter Email Copy Link
National Safe Boating WeekObserved the seven-day period ending on the last Friday before Memorial DayFacebook Twitter Email Copy Link
American Cheese MonthObserved the month of MayFacebook Twitter Email Copy Link
American Wetlands MonthObserved the month of MayFacebook Twitter Email Copy Link
Asian/Pacific American Heritage MonthObserved the month of MayFacebook Twitter Email Copy Link
Be Kind to Animals MonthObserved the month of MayFacebook Twitter Email Copy Link
Better Hearing & Speech MonthObserved the month of MayFacebook Twitter Email Copy Link
Better Sleep MonthObserved the month of MayFacebook Twitter Email Copy Link
Breathe Easy MonthObserved the month of MayFacebook Twitter Email Copy Link
Deck Safety MonthObserved the month of MayFacebook Twitter Email Copy Link
Fibromyalgia Education and Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Food Allergy Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Fungal Infection Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Garden for Wildlife MonthObserved the month of MayFacebook Twitter Email Copy Link
Get Caught Reading MonthObserved the month of MayFacebook Twitter Email Copy Link
Gifts From the Garden MonthObserved the month of MayFacebook Twitter Email Copy Link
Global Employee Health & Fitness MonthObserved the month of MayFacebook Twitter Email Copy Link
Global Youth Traffic Safety MonthObserved the month of MayFacebook Twitter Email Copy Link
Haitian Heritage MonthObserved the month of MayFacebook Twitter Email Copy Link
Heal the Children MonthObserved the month of MayFacebook Twitter Email Copy Link
Healthy Vision MonthObserved the month of MayFacebook Twitter Email Copy Link
Hepatitis Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Huntington's Disease Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
International Drum MonthObserved the month of MayFacebook Twitter Email Copy Link
International Mediterranean Diet MonthObserved the month of MayFacebook Twitter Email Copy Link
International Respect for Chickens MonthObserved the month of MayFacebook Twitter Email Copy Link
International Victorious Woman MonthObserved the month of MayFacebook Twitter Email Copy Link
Internet and E-commerce Services MonthObserved the month of MayFacebook Twitter Email Copy Link
Jewish American Heritage MonthObserved the month of MayFacebook Twitter Email Copy Link
Labor History MonthObserved the month of MayFacebook Twitter Email Copy Link
Latino Books MonthObserved the month of MayFacebook Twitter Email Copy Link
Lupus Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Lyme Disease Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
MCS Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Melanoma/Skin Cancer Detection and Prevention MonthObserved the month of MayFacebook Twitter Email Copy Link
Mental Health MonthObserved the month of MayFacebook Twitter Email Copy Link
Motorcycle Safety MonthObserved the month of MayFacebook Twitter Email Copy Link
Mystery MonthObserved the month of MayFacebook Twitter Email Copy Link
National Arthritis Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
National Asparagus MonthObserved the month of MayFacebook Twitter Email Copy Link
National Asthma and Allergy Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
National Barbecue MonthObserved the month of MayFacebook Twitter Email Copy Link
National Beef MonthObserved the month of MayFacebook Twitter Email Copy Link
National Bike MonthObserved the month of MayFacebook Twitter Email Copy Link
National Celiac Disease Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
National Chip Your Pet MonthObserved the month of MayFacebook Twitter Email Copy Link
National Chocolate Custard MonthObserved the month of MayFacebook Twitter Email Copy Link
National Cystic Fibrosis Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
National Date Your Mate MonthObserved the month of MayFacebook Twitter Email Copy Link
National Duckling MonthObserved the month of MayFacebook Twitter Email Copy Link

National Egg MonthObserved the month of MayFacebook Twitter Email Copy Link
National Foster Care MonthObserved the month of MayFacebook Twitter Email Copy Link
National Gazpacho Aficionado MonthObserved the month of MayFacebook Twitter Email Copy Link
National Guy Pride MonthObserved the month of MayFacebook Twitter Email Copy Link
National Hamburger MonthObserved the month of MayFacebook Twitter Email Copy Link
National High Blood Pressure Education MonthObserved the month of MayFacebook Twitter Email Copy Link
National Home Improvement MonthObserved the month of MayFacebook Twitter Email Copy Link
National Home Remodeling MonthObserved the month of MayFacebook Twitter Email Copy Link
National Loaded Potato MonthObserved the month of MayFacebook Twitter Email Copy Link
National Meditation MonthObserved the month of MayFacebook Twitter Email Copy Link
National Military Appreciation MonthObserved the month of MayFacebook Twitter Email Copy Link
National Moving MonthObserved the month of MayFacebook Twitter Email Copy Link
National Osteoporosis Awareness and Prevention MonthObserved the month of MayFacebook Twitter Email Copy Link
National Pet MonthObserved the month of MayFacebook Twitter Email Copy Link
National Photography MonthObserved the month of MayFacebook Twitter Email Copy Link
National Physical Fitness and Sports MonthObserved the month of MayFacebook Twitter Email Copy Link
National Prom Graduation Safety MonthObserved the month of MayFacebook Twitter Email Copy Link
National Read to Your Baby Bump MonthObserved the month of MayFacebook Twitter Email Copy Link
National Recommitment MonthObserved the month of MayFacebook Twitter Email Copy Link
National Salad MonthObserved the month of MayFacebook Twitter Email Copy Link
National Salsa MonthObserved the month of MayFacebook Twitter Email Copy Link
National SAN Architect MonthObserved the month of MayFacebook Twitter Email Copy Link
National Sight-Saving MonthObserved the month of MayFacebook Twitter Email Copy Link
National Strawberry MonthObserved the month of MayFacebook Twitter Email Copy Link
National Stroke Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
National Teen Self-Esteem MonthObserved the month of MayFacebook Twitter Email Copy Link
National Toxic Encephalopathy and Chemical Injury Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
National Vinegar MonthObserved the month of MayFacebook Twitter Email Copy Link
Necrotizing Fasciitis Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
Older Americans MonthObserved the month of MayFacebook Twitter Email Copy Link
Posture MonthObserved the month of MayFacebook Twitter Email Copy Link
REACT MonthObserved the month of MayFacebook Twitter Email Copy Link
Small Business MonthObserved the month of MayFacebook Twitter Email Copy Link
Spiritual Literacy MonthObserved the month of MayFacebook Twitter Email Copy Link
Steelmark MonthObserved the month of MayFacebook Twitter Email Copy Link
Strike Out Strokes MonthObserved the month of MayFacebook Twitter Email Copy Link
Syringomyelia Awareness MonthObserved the month of MayFacebook Twitter Email Copy Link
International Year of Rangelands and PastoralistsObserved the year 2026Facebook Twitter Email Copy Link
Decade of Action for Road SafetyObserved January 1st, 2021 through December 31st, 2030Facebook Twitter Email Copy Link
International Decade for the Eradication of ColonialismObserved January 1st, 2021 through December 31st, 2030Facebook Twitter Email Copy Link
International Decade of Indigenous LanguagesObserved January 1st, 2022 through December 31st, 2031Facebook Twitter Email Copy Link
United Nations Decade for the Eradication of PovertyObserved January 1st, 2018 through December 31st, 2027Facebook Twitter Email Copy Link
United Nations Decade of Healthy AgeingObserved January 1st, 2021 through December 31st, 2030Facebook Twitter Email Copy Link
United Nations Decade of Ocean Science for Sustainable DevelopmentObserved January 1st, 2021 through December 31st, 2030Facebook Twitter Email Copy Link
United Nations Decade on Ecosystem RestorationObserved January 1st, 2021 through December 31st, 2030Facebook Twitter Email Copy Link
International Decade of Sciences for Sustainable DevelopmentObserved January 1st, 2024 through December 31st, 2033Facebook Twitter Email Copy Link
Nelson Mandela Decade of PeaceObserved January 1st, 2019 through December 31st, 2028Facebook Twitter Email Copy Link
United Nations Decade of Family FarmingObserved January 1st, 2019 through December 31st, 2028Facebook Twitter Email Copy Link
International Decade for Action "Water for Sustainable Development"Observed March 22nd, 2018 through March 22nd, 2028Facebook Twitter Email Copy Link

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