Browse the year · 2026
May
172 holidays across 31 days, 41 weeks and 77 month-long observances.
- Childhood Stroke Awareness Day
- International Pilates Day
- Keep Kids Alive Drive 25 Day
- Naked Gardening Day
- National Fitness Day
- National Start Seeing Monarchs Day
- Save The Rhino Day
- Therapeutic Massage Awareness Day
- Wildfire Preparedness Day
- World Ankylosing Spondylitis Day
- Worthy Wage Day
- National Physical Education and Sport Weekweek
- Bereaved Mother's Day
- International Permaculture Day
- International Scurvy Awareness Day
- Mayday for Mutts
- National Infertility Survival Day
- World Tuna Day
- Building Safety Weekweek
- Drinking Water Weekweek
- Dying Matters Weekweek
- Hurricane Preparedness Weekweek
- North American Occupational Safety and Health Weekweek
- Pet Appreciation Weekweek
- Puppy Mill Action Weekweek
- Cornelia De Lange Syndrome Awareness Day
- National Amyloidosis Day
- National Animal Disaster Preparedness Day
- National Report Government Contractor Fraud Day
- National Student Nurse Day
- National Train Day
- Reward Yourself Day
- Stamp Out Hunger Food Drive Day
- Time of Remembrance and Reconciliation for those who Lost their Lives during WWII
- World Donkey Day
- World Ovarian Cancer Day
- World Red Cross and Red Crescent Day
- Chronic Fatigue Syndrome Day
- Donate a Day's Wages To Charity Day
- Fibromyalgia Awareness Day
- International Awareness Day for Chronic Immunological and Neurological Diseases
- International Day of Plant Health
- International Myalgic Encephalomyelitis Awareness Day
- International Nurses Day
- National Hospital Day
- National Tampon Day
- National Third Shift Workers Day
- Root Canal Appreciation Day
- School Nurse Day
- Asphalt Day
- Break The Glass Ceiling Day
- Culture Freedom Day
- HG Awareness Day
- International Conscientious Objectors Day
- International Heritage Breeds Day
- MPS Awareness Day
- National Safety Dose Day
- National Senior Fraud Awareness Day
- National Tuberous Sclerosis Day
- Tourette's Syndrome Awareness Month
- TSC Global Awareness Day
- Vascular Birthmarks Awareness Day
- VBF Day of Awareness
- World Orienteering Day
- International Heritage Breeds Weekweek
- International Day Against Homophobia Transphobia and Biphobia
- National Pinkfix Day
- National Smile Month
- NF Awareness Day
- World Hypertension Day
- World Information Society Day
- Bike to Work Weekweek
- Dementia Awareness Weekweek
- Epilepsy Awareness Weekweek
- Learning at Work Weekweek
- National Volunteering Weekweek
- Water Saving Weekweek