We have 22 holidays listed for May 15.
National Chocolate Chip Day
Legend has it that the chocolate chip cookie was a happy accident.
Asphalt Day
The multi-purpose and incredibly versatile construction material has a fascinating history.
Bring Flowers To Someone Day
Giving flowers is a wonderful way of expressing your feelings to the people you care about.
Global Accessibility Awareness Day
Disabled users must have access to the same high-quality digital services and content as non-disabled users.
HG Awareness Day
Observe the day to raise awareness that H.G. is more severe and not just morning sickness.
International Conscientious Objectors Day
Join us as we celebrate conscientious objectors this International Conscientious Objectors Day!
International Family Day
Families—both traditional and non-traditional—are the foundation of society.
International Kangaroo Care Awareness Day
Kangaroo Mother Care is a simple yet effective way for parents to bond with their infants.
MPS Awareness Day
Learn how you can help raise awareness for Mucopolysaccharidoses (M.P.S.) Disorders.
National Aperitif Day
On National Aperitif Day, add a little aperitif to your cocktail and sip it in style!
National Notebook Day
Roses are red, violets are blue, National Notebook Day is here, and we're celebrating with you.
National Nylon Stocking Day
Celebrate this wardrobe essential, which has played an important role in the fashion industry.
National Safety Dose Day
For any illness, taking the proper dose is just as important as taking the right medication.
National Senior Fraud Awareness Day
Join us as we raise awareness about financial fraud on National Senior Fraud Awareness Day.
National Tuberous Sclerosis Day
Join us in raising awareness and eradicating social stigma this National Tuberous Sclerosis Day.
Peace Officers Memorial Day
We’ve put together the best ways to show your appreciation to those who keep the peace.
Straw Hat Day
Panama, boater, or straw fedora, make your fashion statement to celebrate Straw Hat Day.
TSC Global Awareness Day
Tuberous Sclerosis Complex is a genetic disease with symptoms that can range from mild to severe.
Vascular Birthmarks Awareness Day
Most of us are born with birthmarks — and they are mostly harmless.
VBF Day of Awareness
Join us as we observe V.B.F. Day of Awareness this May 15!