Monday
March 13
16 holidays and observances fall on this day.
Commonwealth Day
Commonwealth Day celebrates the shared values and diversity of 56 member nations on the second Monday of March.
World Sleep Day
World Sleep Day is a global health awareness event held on the Friday before the spring equinox.
International Every Girls Wins Day
International Every Girl Wins Day is an annual empowerment event for girls held every March 13.
IUGR Awareness Day
IUGR Awareness Day is observed annually on March 13 to highlight fetal growth complications.
Donald Duck Day
Donald Duck Day on March 13 is a fan-favored birthday based on the 1949 cartoon canon.
National K9 Veterans Day
National K9 Veterans Day honors the service of military and working dogs every March 13.
National Jewel Day
National Jewel Day is an annual celebration of gemstones and jewelry craftsmanship held on March 13.
Ken Day
Ken Day is an annual celebration of the iconic doll's debut held every March 13.
National Good Samaritan Day
National Good Samaritan Day is an annual observance on March 13 promoting selfless acts of kindness.
Smart and Sexy Day
Smart and Sexy Day is an annual women's empowerment event held every March 13.
National Open An Umbrella Indoors Day
National Open An Umbrella Indoors Day is an annual experiment to challenge superstitions every March 13.
National Coconut Torte Day
National Coconut Torte Day celebrates a rich, multi-layered tropical dessert every March 13.
National Earmuff Day
National Earmuff Day is an annual celebration of the invention of ear protectors held every March 13.
Fill Our Staplers Day
Fill Our Staplers Day is observed on the Monday of the second full week of March to ensure office supplies are ready.
L. Ron Hubbard Day
L. Ron Hubbard Day is an annual celebration of the birth of the Scientology founder held every March 13.
Eight Hours Day
Eight Hours Day commemorates the labor movement's victory for a standard workday on the second Monday in March.
Coming up next
International Day of Mathematics
International Day of Mathematics celebrates the global importance of math every March 14.
Genius Day
Genius Day honors the birthday of Albert Einstein and global intellectual creativity every March 14.
Legal Assistants Day
Legal Assistants Day honors the professional support staff of the legal system every March 14.
International Ask a Question Day
Celebrate Scientists Day honors the achievements of researchers and innovators every March 14.
International Day of Action For Rivers
International Day of Action for Rivers promotes the protection and restoration of vital waterways every March 14.
Steak & BJ Day
Steak and BJ Day serves as a playful, informal reciprocal response to Valentine's Day every March 14.
National Pi Day
National Pi Day celebrates the infinite mathematical constant and the joy of circles every March 14.
National Potato Chip Day
National Potato Chip Day celebrates the world's most popular crunchy snack every March 14.
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