Monday
May 16
19 holidays and observances fall on this day.
International Day of Light
Celebrate the International Day of Light on May 16, recognizing the essential role of light in science, culture, and sustainable development.
Drawing Day
Drawing Day is observed on May 16 to celebrate sketching, doodling, and creative expression.
International Boys’ Day
International Boys’ Day is observed on May 16 to support boys’ well-being and mentoring.
International Day of Living Together in Peace
International Day of Living Together in Peace is observed on May 16 to promote peace and inclusion.
Whit Sunday (Pentecost Sunday)
Whit Sunday is observed 50 days after Easter to remember Pentecost and the coming of the Holy Spirit.
National Barbecue Day
Happy National Barbecue Day! It's time to celebrate America's delicious grilled cuisine.
National Mimosa Day
Celebrate National Mimosa Day on May 16 by enjoying this classic brunch cocktail and exploring creative variations with friends and family.
National Love a Tree Day
National Love a Tree Day is observed on May 16 to appreciate trees, tree care, shade, wildlife habitat, and green spaces.
National Piercing Day
National Piercing Day is observed on May 16 to recognize piercings, body jewelry, and safe self-expression.
National Wear Purple for Peace Day
National Wear Purple for Peace Day is observed on May 16 to wear purple for peace and goodwill.
National Do Something Good for Your Neighbor Day
National Do Something Good for Your Neighbor Day is observed on May 16 to honor kindness, helpful deeds, and neighborly care.
National Honor Our LGBT Elders Day
National Honor Our LGBT Elders Day is observed on May 16 to honor LGBT elders, their stories, and community contributions.
Nickel Day
Nickel Day is observed on May 16 to explore nickel as a metal, coin, and useful material in everyday objects.
Supply Chain Professionals Day
Supply Chain Professionals Day is celebrated on the third Monday in May to honor logistics and supply chain workers.
National Sea Monkey Day
National Sea Monkey Day is observed on May 16 to enjoy Sea-Monkeys, brine shrimp, nostalgia, and simple science.
National Biographer's Day
National Biographer's Day is observed on May 16 to honor biographers, biography, and the craft of writing real lives.
National Coquilles Saint Jacques Day
National Coquilles Saint Jacques Day is observed on May 16 to enjoy a classic French scallop dish with rich sauce.
Middlesex Day in England
Middlesex Day in England is observed on May 16 to honor historic county identity and the Battle of Albuera connection.
Waiters Day
Waiters Day is observed on May 16 to recognize front-of-house hospitality workers.
Coming up next
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.
World Hypertension Day
World Hypertension Day raises awareness about high blood pressure, promoting prevention and control to reduce the risk of cardiovascular diseases.
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.
International Day Against Homophobia Transphobia and Biphobia
IDAHOBIT is observed on May 17 to raise awareness of anti-LGBTQIA+ discrimination.
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.
Pinot Grigio Day
Pinot Grigio Day is observed on May 17 to appreciate the crisp white wine, food pairings, and responsible tasting.
National Walnut Day
Celebrate National Walnut Day by exploring the health benefits and culinary versatility of walnuts through delicious recipes and community events.
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