Dinosaur Day
Celebrate Dinosaur Day on the third Tuesday of May by exploring the prehistoric world of dinosaurs through fun, educational activities for all ages.
Tuesday
What holiday is on May 19?
17 holidays and observances fall on May 19.
World Family Doctor Day
World Family Doctor Day honors the essential role of family physicians in providing comprehensive and continuous care to communities worldwide.
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.
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.
National Devil's Food Cake Day
National Devil's Food Cake Day is observed on May 19 to enjoy a rich, dark chocolate cake with a moist crumb.
Frog Jumping Jubilee Day
Frog Jumping Jubilee Day is observed on May 19 to enjoy frog-jumping contests, Mark Twain humor, and Calaveras County tradition.
National Barber Mental Health Awareness Day
National Barber Mental Health Awareness Day is observed on May 19 to recognize barbers’ mental well-being and emotional labor.
National May Ray Day
National May Ray Day is observed on May 19 to enjoy spring sunshine, outdoor time, and warm-weather activities.
Hepatitis Testing Day
Hepatitis Testing Day is observed on May 19 to promote viral hepatitis testing, early diagnosis, and access to care.
National Asian and Pacific Islander HIV/AIDS Awareness Day
National Asian and Pacific Islander HIV/AIDS Awareness Day is observed on May 19 to raise HIV awareness and reduce stigma.
Your Elected Officials Day
Celebrate Your Elected Officials Day is observed on May 19 to recognize elected leaders and civic public service.
National Mechanical Dry Eye Day
National Mechanical Dry Eye Day is observed on May 19 to raise awareness of mechanical dry eye symptoms and diagnosis.
National Stop Nausea Day
National Stop Nausea Day is observed on the third Tuesday of May to raise awareness of nausea and practical support.
Boys and Girls Club Day
Boys and Girls Club Day is observed on May 19 to recognize youth clubs, mentors, and safe spaces for kids and teens.
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World Bee Day
World Bee Day raises awareness about the vital role of bees and pollinators in ecosystems and agriculture, promoting their protection and conservation.
Flower Day
Flower Day is observed on May 20 to enjoy flowers, gardening, bouquets, and the beauty of blooming plants.
World Metrology Day
World Metrology Day commemorates the 1875 Metre Convention, highlighting the importance of measurement science in global development and daily life.
Clinical Trials Day
Clinical Trials Day is observed on May 20 to recognize clinical research, study volunteers, and the people who advance medicine.
Eliza Doolittle Day
Celebrate Eliza Doolittle Day honoring personal transformation and the enduring legacy of Pygmalion and My Fair Lady.
International Red Sneakers Day
International Red Sneakers Day on May 20 raises global awareness about food allergies, promoting education and support for affected individuals.
World Product Day
World Product Day is marked on May 20 in 2026 to recognize product people, product craft, and shared professional learning.
Weights and Measures Day
Weights and Measures Day is observed on May 20 to recognize accurate measurement, fair trade, and metrology.
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