World Hypertension Day
World Hypertension Day raises awareness about high blood pressure, promoting prevention and control to reduce the risk of cardiovascular diseases.
Saturday
May 17
28 holidays and observances fall on this day.
International Child Helpline Day
International Child Helpline Day raises awareness about the vital role of child helplines in providing support and protection to children worldwide.
World Whisky Day
World Whisky Day is observed on the third Saturday of May to enjoy whisky and tasting traditions.
International Day Against Homophobia Transphobia and Biphobia
IDAHOBIT is observed on May 17 to raise awareness of anti-LGBTQIA+ discrimination.
World Fiddle Day
World Fiddle Day is observed on the third Saturday of May to honor fiddle music and traditions.
World Information Society Day
World Information Society Day is observed on May 17 to focus on digital access, communication, and the information society.
Neurofibromatosis Awareness Day
Neurofibromatosis Awareness Day is observed on May 17 to raise awareness of NF, patient support, and research.
World Orienteering Day
World Orienteering Day begins on the third Saturday of May to promote map-based outdoor navigation.
Pinot Grigio Day
Pinot Grigio Day is observed on May 17 to appreciate the crisp white wine, food pairings, and responsible tasting.
Culture Freedom Day
Culture Freedom Day is observed on the third Saturday of May to support free culture, open licensing, and shared creativity.
National Armed Forces Day
National Armed Forces Day is a U.S. observance held on the third Saturday in May.
National Walnut Day
Celebrate National Walnut Day by exploring the health benefits and culinary versatility of walnuts through delicious recipes and community events.
Plant a Lemon Tree Day
Celebrate Plant a Lemon Tree Day by planting a lemon tree to promote sustainability, health, and community engagement.
National Cherry Cobbler Day
National Cherry Cobbler Day is observed on May 17 to enjoy a classic cherry dessert.
National Idaho Day
National Idaho Day is observed on May 17 to recognize Idaho history and state pride.
National Pack Rat Day
National Pack Rat Day is observed on May 17 to sort clutter and rethink saved belongings.
National Graduation Tassel Day
National Graduation Tassel Day is observed on May 17 to honor graduates and academic milestones.
Ride a Unicycle Day
Ride a Unicycle Day is observed on the Sunday of the third full week of May to enjoy one-wheel riding, balance, and practice.
National Learn to Swim Day
National Learn to Swim Day is observed on the third Saturday in May for swim skills and water safety.
Emergency Medical Services Day
Emergency Medical Services Day is observed on the Sunday of the third full week of May to honor EMS professionals.
National Pinkfix Day
National Pinkfix Day is observed on May 17 for women’s financial awareness and confidence.
Preakness Stakes
Preakness Stakes is held on the third Saturday of May as a major Triple Crown horse race.
National River Cleanup Day
National River Cleanup Day is observed on the third Saturday in May to clean rivers, creeks, watersheds, and local habitats.
Constitution Day in Norway
Constitution Day in Norway is observed on May 17 to honor the 1814 Constitution.
Children’s Day in Norway
Children’s Day in Norway is observed on May 17 with children’s parades and national celebration.
Liberation Day in DR Congo
Liberation Day in DR Congo is observed on May 17 to mark the 1997 political transition.
National Mushroom Hunting Day
National Mushroom Hunting Day is observed on May 17 to learn about mushroom foraging and safe identification.
Constitution Day in Nauru
Constitution Day in Nauru is observed on May 17 to honor the nation’s Constitution.
Coming up next
International Museum Day
International Museum Day highlights the importance of museums in cultural exchange, education, and community development worldwide.
World Baking Day
Celebrate World Baking Day by embracing the joy of baking and sharing your creations with loved ones.
International AIDS Candlelight Memorial
International AIDS Candlelight Memorial is observed on the third Sunday of May to remember AIDS losses and support HIV awareness.
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.
Stepmother's Day
Stepmother's Day is observed on the Sunday after Mother’s Day to honor stepmothers and blended family bonds.
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.
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