Holidays for Saturday, May 15th, 2021
Also known as Fall Astronomy Day, International Astronomy Day, International Fall Astronomy Day, International Spring Astronomy Day, and Spring Astronomy Day
Observed on May 15th and on October 9th
Observed on May 15th and on October 9th
Observed annually on May 15th
Multi-day Events Continuing on Saturday, May 15th, 2021
- Food Allergy Awareness WeekObserved the second full week of May
- National Hamburger WeekObserved the second full week of May
- National Women's Health WeekObserved the week starting with Mother's Day
- American Cheese MonthObserved the month of May
- American Wetlands MonthObserved the month of May
- Asian/Pacific American Heritage MonthObserved the month of May
- Be Kind to Animals MonthObserved the month of May
- Better Hearing & Speech MonthObserved the month of May
- Better Sleep MonthObserved the month of May
- Breathe Easy MonthObserved the month of May
- Deck Safety MonthObserved the month of May
- Fibromyalgia Education and Awareness MonthObserved the month of May
- Food Allergy Awareness MonthObserved the month of May
- Fungal Infection Awareness MonthObserved the month of May
- Garden for Wildlife MonthObserved the month of May
- Get Caught Reading MonthObserved the month of May
- Gifts From the Garden MonthObserved the month of May
- Global Employee Health & Fitness MonthObserved the month of May
- Global Youth Traffic Safety MonthObserved the month of May
- Haitian Heritage MonthObserved the month of May
- Heal the Children MonthObserved the month of May
- Healthy Vision MonthObserved the month of May
- Hepatitis Awareness MonthObserved the month of May
- Huntington's Disease Awareness MonthObserved the month of May
- International Drum MonthObserved the month of May
- International Mediterranean Diet MonthObserved the month of May
- International Respect for Chickens MonthObserved the month of May
- International Victorious Woman MonthObserved the month of May
- Internet and E-commerce Services MonthObserved the month of May
- Jewish American Heritage MonthObserved the month of May
- Labor History MonthObserved the month of May
- Latino Books MonthObserved the month of May
- Lupus Awareness MonthObserved the month of May
- Lyme Disease Awareness MonthObserved the month of May
- MCS Awareness MonthObserved the month of May
- Melanoma/Skin Cancer Detection and Prevention MonthObserved the month of May
- Mental Health MonthObserved the month of May
- Motorcycle Safety MonthObserved the month of May
- Mystery MonthObserved the month of May
- National Arthritis Awareness MonthObserved the month of May
- National Asparagus MonthObserved the month of May
- National Asthma and Allergy Awareness MonthObserved the month of May
- National Barbecue MonthObserved the month of May
- National Beef MonthObserved the month of May
- National Bike MonthObserved the month of May
- National Celiac Disease Awareness MonthObserved the month of May
- National Chip Your Pet MonthObserved the month of May
- National Chocolate Custard MonthObserved the month of May
- National Cystic Fibrosis Awareness MonthObserved the month of May
- National Date Your Mate MonthObserved the month of May
- National Duckling MonthObserved the month of May
- National Egg MonthObserved the month of May
- National Foster Care MonthObserved the month of May
- National Gazpacho Aficionado MonthObserved the month of May
- National Guy Pride MonthObserved the month of May
- National Hamburger MonthObserved the month of May
- National High Blood Pressure Education MonthObserved the month of May
- National Home Improvement MonthObserved the month of May
- National Home Remodeling MonthObserved the month of May
- National Loaded Potato MonthObserved the month of May
- National Meditation MonthObserved the month of May
- National Military Appreciation MonthObserved the month of May
- National Moving MonthObserved the month of May
- National Osteoporosis Awareness and Prevention MonthObserved the month of May
- National Pet MonthObserved the month of May
- National Photography MonthObserved the month of May
- National Physical Fitness and Sports MonthObserved the month of May
- National Prom Graduation Safety MonthObserved the month of May
- National Read to Your Baby Bump MonthObserved the month of May
- National Recommitment MonthObserved the month of May
- National Salad MonthObserved the month of May
- National Salsa MonthObserved the month of May
- National SAN Architect MonthObserved the month of May
- National Sight-Saving MonthObserved the month of May
- National Strawberry MonthObserved the month of May
- National Stroke Awareness MonthObserved the month of May
- National Teen Self-Esteem MonthObserved the month of May
- National Toxic Encephalopathy and Chemical Injury Awareness MonthObserved the month of May
- National Vinegar MonthObserved the month of May
- Necrotizing Fasciitis Awareness MonthObserved the month of May
- Older Americans MonthObserved the month of May
- Posture MonthObserved the month of May
- REACT MonthObserved the month of May
- Small Business MonthObserved the month of May
- Spiritual Literacy MonthObserved the month of May
- Steelmark MonthObserved the month of May
- Stress Awareness MonthObserved the month of May
- Strike Out Strokes MonthObserved the month of May
- Syringomyelia Awareness MonthObserved the month of May
- International Year for the Elimination of Child LabourObserved the year 2021
- International Year of Caves and KarstObserved the year 2021
- International Year of Creative Economy for Sustainable DevelopmentObserved the year 2021
- International Year of Fruits and VegetablesObserved the year 2021
- International Year of Peace and TrustObserved the year 2021
- Decade of Action for Road SafetyObserved January 1st, 2021 through December 31st, 2030
- International Decade for the Eradication of ColonialismObserved January 1st, 2021 through December 31st, 2030
- United Nations Decade for the Eradication of PovertyObserved January 1st, 2018 through December 31st, 2027
- United Nations Decade of Healthy AgeingObserved January 1st, 2021 through December 31st, 2030
- United Nations Decade of Ocean Science for Sustainable DevelopmentObserved January 1st, 2021 through December 31st, 2030
- United Nations Decade on Ecosystem RestorationObserved January 1st, 2021 through December 31st, 2030
- Industrial Development Decade for AfricaObserved January 1st, 2016 through December 31st, 2025
- International Decade for People of African DescentObserved January 1st, 2015 through December 31st, 2024
- Nelson Mandela Decade of PeaceObserved January 1st, 2019 through December 31st, 2028
- United Nations Decade of Action on NutritionObserved January 1st, 2016 through December 31st, 2025
- United Nations Decade of Family FarmingObserved January 1st, 2019 through December 31st, 2028
- International Decade for Action "Water for Sustainable Development"Observed March 22nd, 2018 through March 22nd, 2028
- United Nations Decade of Sustainable Energy for AllObserved January 1st, 2014 through December 31st, 2024