Thursday
May 18
20 holidays and observances fall on this day.
International Museum Day
International Museum Day highlights the importance of museums in cultural exchange, education, and community development worldwide.
Orthodox Ascension Day
Orthodox Ascension Day is observed 40 days after Orthodox Easter to honor Christ’s ascension into heaven.
Global Accessibility Awareness Day
Global Accessibility Awareness Day is observed on the third Thursday of May to promote digital access and inclusion.
National Speech Pathologist Day
National Speech Pathologist Day is observed on May 18 to honor SLPs and their work in communication and swallowing support.
National No Dirty Dishes Day
National No Dirty Dishes Day is observed on May 18 to enjoy meals with less cleanup and a cleaner kitchen sink.
I Love Reese's Day
I Love Reese's Day is observed on May 18 to enjoy Reese’s candy, peanut butter cups, and chocolate-peanut butter treats.
National Visit Your Relatives Day
National Visit Your Relatives Day is observed on May 18 to reconnect with family members and strengthen personal ties.
Mother Whistler Day
Mother Whistler Day is observed on May 18 to enjoy whistling, playful sound, and its odd link to Whistler’s Mother.
Brown Bag It Thursday
Brown Bag It Thursday is observed on the third Thursday in May to focus on packed lunches, saving money, and simple meal planning.
National Cheese Soufflé Day
National Cheese Soufflé Day is observed on May 18 to enjoy a savory French-style baked egg and cheese dish.
National Notebook Day
National Notebook Day is observed on the third Thursday of May to enjoy notebooks, journaling, planning, and handwritten ideas.
National HIV Vaccine Awareness Day
National HIV Vaccine Awareness Day is observed on May 18 to recognize HIV vaccine research, volunteers, and prevention education.
National Aperitif Day
National Aperitif Day is observed on the third Thursday of May to enjoy pre-dinner drinks, small bites, and relaxed meals.
Send an Electronic Greeting Card Day
Send an Electronic Greeting Card Day is observed on May 18 to share digital cards, kind notes, and personal messages.
Victoria Day in Canada
Victoria Day in Canada is observed on the Monday before May 25 to honor Queen Victoria and the Sovereign’s birthday.
Haitian Flag Day
Haitian Flag Day is observed on May 18 to honor Haiti’s flag, independence, unity, and national identity.
Vyshyvanka Day in Ukraine
Vyshyvanka Day in Ukraine is observed on the third Thursday of May to honor Ukrainian embroidered shirts and cultural identity.
National Patriots’ Day in Quebec
National Patriots’ Day in Quebec is observed on the Monday before May 25 to commemorate the Patriotes and democratic struggles.
National Marshmallow Day in Australia
National Marshmallow Day in Australia is observed on May 18 to enjoy marshmallows, desserts, hot drinks, and sweet treats.
State Flag of Turkmenistan Day
State Flag of Turkmenistan Day is observed on May 18 to honor Turkmenistan’s flag, Constitution, and national identity.
Coming up next
World Family Doctor Day
World Family Doctor Day honors the essential role of family physicians in providing comprehensive and continuous care to communities worldwide.
International Virtual Assistants Day
International Virtual Assistants Day honors remote professionals and is observed on the third Friday of May.
World IBD Day
World IBD Day is observed on May 19 to raise awareness of Crohn’s disease, ulcerative colitis, and IBD care.
Agender Pride Day
Agender Pride Day is observed on May 19 to recognize agender identity, visibility, and respect for pronouns.
World Crohn's and Colitis Day
World Crohn's and Colitis Day is observed on May 19 to raise awareness of Crohn’s disease, colitis, and IBD care.
National Pizza Party Day
National Pizza Party Day is observed on the third Friday in May to celebrate sharing pizza with friends and family.
Plant Something Day
Celebrate Plant Something Day on May 19 by engaging in planting activities that promote environmental sustainability and personal well-being.
Malcolm X Day
Malcolm X Day is observed on May 19 to honor Malcolm X’s life, civil rights work, and human rights legacy.
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