International Museum Day
Visit a local museum and learn about anything from art to ancient history to aerospace. Many museums also offer virtual tours online, if you can’t get out.
- Canada
- France
- United Kingdom
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May 18 2021 Holidays
- National days
- 11
- Day of the year
- Days since
- 1938
Your guide to celebrating May 18 2021
Skip to all 11 daysWake up ready to conquer the day! Start with a delightful cheese soufflé for breakfast to celebrate National Cheese Soufflé Day. Try a new recipe or pick up a frozen one for a stress-free morning.
Visit a local museum or explore virtually—it’s International Museum Day! Enjoy the beauty of art and history without leaving your couch. Be sure to learn something new and share your experience with friends.
Connect with loved ones—it’s National Visit Your Relatives Day! Send electronic greeting cards to show you care. Don’t let distance stop you from spreading joy and love.
Take time to appreciate the professionals in your life on National Speech and Language Pathologist (SLP) Appreciation Day. Send a thank-you message to those who make a difference every day.
In the spirit of Supply Chain Professionals Day, organize your day efficiently. Plan your activities, allocate time wisely, and appreciate the smooth flow of your day.
Raise awareness for important causes—it’s Global Porphyria Day and National HIV Vaccine Awareness Day. Share resources, educate yourself, and support those affected.
Get active and celebrate Mother Whistler Day by exploring the great outdoors. Go for a nature walk or hike and embrace the beauty around you.
Indulge in some sweets on I Love Reese’s Day. Treat yourself to your favorite Reese’s candy or bake some delicious treats to share with friends.
End the day with a festive dinner to celebrate Victoria Day. Whether you cook a special meal or order takeout, make it a memorable evening.
Each day presents a unique opportunity to celebrate the little things in life. Embrace the weird and wonderful national holidays to add a touch of joy and excitement to your day!
National days and holidays on May 18 2021
National Cheese Soufflé Day
Dive into a fluffy cloud of cheesy goodness with a perfectly baked Cheese Soufflé! This delicate dish will tantalize your taste buds and leave you feeling oh-so-satisfied. So go ahead, treat yourself to a little bit of heaven in every bite!
- United States
National Visit Your Relatives Day
Make time for family and go visit your relatives, whether that means heading across town to visit your aunt, or making a trip across the country.
- United States
Send an Electronic Greeting Card Day
If spotting a cute emoji can put a smile on someone’s face, imagine how it would brighten their day to get an even more personal surprise in their in-box. Make that happen on Send An Electronic Greeting Card Day. This annual occasion reminds us of the joy of sending and...
- Australia
- Canada
- United Kingdom
- and 1 more
National HIV Vaccine Awareness Day
Imagine a world where HIV no longer threatens lives. National HIV Vaccine Awareness Day reminds us of that possibility. Scientists, healthcare workers, and volunteers pour their energy into finding a vaccine. Their work isn’t just about science—it’s about protecting families, friends, and future generations. Every trial, every discovery, and every...
- United States
Global Porphyria Day
Porphyria might sound unfamiliar, but for those living with it, the effects are very real. It is not one single diagnosis. It is a family of rare, mostly inherited conditions that disrupt the body’s heme-making pathway, which is essential for carrying oxygen in the blood and supporting many nerve and...
- Canada
- United Kingdom
- United States
National Speech and Language Pathologist (SLP) Appreciation Day
Experts in communication development, these professionals empower individuals to express themselves with clarity and confidence.
- Canada
- United Kingdom
- United States
I Love Reese’s Day
I Love Reese’s Day is a sugary salute to one of the most famously compatible duos in the snack world: chocolate and peanut butter. It is the kind of celebration that asks very little and delivers a lot, whether the plan is a single quiet treat or a full-on, candy-themed...
- Australia
- Canada
- United Kingdom
- and 1 more
Mother Whistler Day
Mother Whistler Day celebrates the everyday magic of whistling. A sound that travels with ease, it turns quiet moments into playful ones. Whistling lifts moods, marks rhythm, and adds a personal beat to the world around us. It needs no grand setting—just a bit of breath and a spark of...
- United States
National Stop Nausea Day
Nobody likes the feeling of their stomach turning upside down. National Stop Nausea Day puts that awkward, queasy sensation front and center, not to be dramatic, but because nausea is one of those symptoms that can quietly take over someone’s life. Whether it shows up after a curvy car ride, during...
- United States
National No Dirty Dishes Day
Give yourself a break from the drudgery of dishes for one day, by eating only food that don’t create dirty dishes. Order in, and use disposable containers and cutlery.
- Canada
- United Kingdom
- United States
Other holidays on May 18 2021
National Smile Month
Maintaining vibrant smiles through mindful habits, fostering oral resilience for enduring wellness, unveiling a gateway to health.
- United Kingdom
Artes Mundi
Artes Mundi is an exciting event that brings the world of contemporary art to life in Cardiff, Wales. Established in 2002, this international arts organization shines a spotlight on artists who engage deeply with social reality. Every two years, artists from around the globe gather to share their work, making...
- United Kingdom
Water Saving Week
Conserving water, a precious resource, ensures sustainability for future generations while safeguarding ecosystems and promoting efficiency.
- United Kingdom
Foster Care Fortnight
Foster Care Fortnight, an annual event in the UK, typically happens in the first two weeks of May. This initiative is driven by The Fostering Network, a leading charity that promotes foster care awareness and recruitment. The event raises awareness about the growing need for foster carers and their vital...
- United Kingdom
British Sandwich Week
British Sandwich Week is a lively celebration of one of Britain's most iconic culinary creations: the sandwich. This week, sandwich lovers from all walks of life come together to indulge in the art of sandwich making and tasting. Whether it’s a classic ham and cheese or a gourmet concoction with...
- United Kingdom
International Heritage Breeds Week
Support the survival of classic livestock breeds like Oberhasli goats, Wiltshire Wild Horn sheep, and Gloucester Old Spot pigs during Heritage Breeds Week.
National Pizza Week
From its origins in southern Italy to making its way in the United States in the early 1900s, pizza has a rich and robust history that has made it a dish that is beloved literally all around the world. And National Pizza Week is here with seven full days to...
- United States
Bike to Work Week
Bike to Work Week is a special time celebrated each year across the United States. This event encourages people to ride their bikes to work or anywhere else they need to go as part of a larger movement to promote cycling and its benefits. How to Celebrate Bike to Work Week Embracing...
- Canada
- United Kingdom
- United States
Dementia Action Week
Dementia Action Week is a key time of action. It’s time to step up your game on behalf of those who live with the disease. This event means different things while being significant to many different people. But one thing about it is the same -- it should bring us all...
- Australia
- United Kingdom
Be Nice to Nettles Week
Be Nice to Nettles Week is a vibrant annual event that shines a spotlight on the humble nettle plant. Celebrated in mid-May, this period encourages us to appreciate the ecological and health benefits of nettles. How to Celebrate Be Nice to Nettles Week Here are five quirky and playful ways to dive...
- United Kingdom
Month-long holidays in May
Skin Cancer Awareness Month
Promoting sun safety encourages early detection, fostering community awareness about the risks and prevention of skin ailments.
National Photography Month
A picture’s worth a thousand words, so get out there and start taking snapshots of the beauty all around you, whether right at home or off in an exotic locale.
National Barbecue Month
Gather your friends and neighbors together and grill up some tasty, smoky, ever-popular BBQ to welcome the warm weather. Try making your own BBQ sauce!
No Meat May
Exploring a plant-based journey for a month, discovering vibrant flavors and embracing a mindful, eco-friendly lifestyle.
- Australia
Famous birthdays on May 18 2021
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