We have 32 holidays listed for September 21.
National Clean Up Day
After all, being a good citizen includes keeping our communities clean!
National Dance Day
We brought the music, you bring the moves!
National Singles Day
A 24-hour period where it’s okay to be about “me, me, me.”
Abergavenny Food Festival
Don’t even think about missing this food festival if you are in the U.K.
Armenia Independence Day
Join the people of Armenia in mass parades and festivals as they celebrate their independence day.
Belize Independence Day
Feeling festive? This country's celebration has it all — music, food, friends, and fun.
Escapology Day
Check out three magical ways you too can enjoy Escapology Day like a professional.
International Coastal Cleanup Day
Let’s roll up our sleeves and clean our beaches and coastlines to reduce pollution.
International Day of Peace
Let there be peace by making the world a better and more sustainable place for all.
International Eat An Apple Day
As the saying goes, that's how you keep the doctor away.
International Red Panda Day
Celebrate the day to encourage the preservation of the adorable red pandas.
Mabon
Grab your fruit baskets and wine as we dedicate this festival to the bountiful harvest.
Malta Independence Day
Though one of the smallest nations globally, Malta has a rich political and cultural history.
Miniature Golf Day
Miniature golf can be traced back to the 19th century.
National AKC Responsible Dog Ownership Day
Hey, dog owners, kiss your buddies and give them extra special treats today!
National Boys’ and Girls’ Club Day for Kids
National Boys’ and Girls’ Club Day for Kids is here, let’s celebrate!
National Cat & Dog Gut Health Awareness Day
Almost every aspect of your cat’s or dog’s health depends on the complex community of microorganisms living in their gut. In all sorts of amazing ways, a healthy gut can help your pet live a longer, happier life.
National Chai Day
Ready your cups, water, and tea mix, as we celebrate an amazing herbal, nourishing drink.
National Garage Condo Day
Join us as we celebrate National Garage Condo Day this September 21!
National Gymnastics Day
Gyms turn into beehives of activity, highlighting the benefits of a healthy body.
National Opioid Awareness Day
It’s National Opioid Awareness Day; all hands on deck to eliminate the abuse of these drugs.
National Pecan Cookie Day
Get your taste buds dancing as we dive into the cookie jar for National Pecan Cookie Day.
National Sew a Jelly Roll Day
Warm those Jelly Rolls up; it’s time for National Sew a Jelly Roll Day!
Puppy Mill Awareness Day
Did you know millions of dogs are killed due to puppy mills every day?
Responsible Dog Ownership Day
Today, pet parents ‘pawse’ and remember the promises they made to their ‘furever’ friends.
Telegraph Pole Appreciation Day
It’s time to ramp it up for a day dedicated to the appreciation for telegraph poles!
Usher Syndrome Awareness Day
The first step to raising awareness for this rare genetic disease is educating yourself.
World Alzheimer’s Day
On this day, the world concentrates its efforts on creating awareness of Alzheimer’s disease.
World Gratitude Day
World Gratitude Day is the day to start living a life of gratitude.
World Mini Golf Day
Come and join us as we learn more about this tee-rific holiday.