We have 35 holidays listed for September 21.
September 21 is the 264th day of the Gregorian calendar. Norman invaders win the kingdom of Dublin; J.R.R. Tolkien’s groundbreaking novel, “The Hobbit”, was published. Congress passed the Defense of Marriage Act. Famous birthdays include H.G. Wells, Stephen King and Bill Murray. Today is the International Day of Peace.
Sep21
Sep21
National Clean Up Day
After all, being a good citizen includes keeping our communities clean!
Sep21
National Dance Day
We brought the music, you bring the moves!
Sep21
National Singles Day
A 24-hour period where it’s okay to be about “me, me, me.”
Sep21
Abergavenny Food Festival
Don’t even think about missing this food festival if you are in the U.K.
Sep21
Armenia Independence Day
Join the people of Armenia in mass parades and festivals as they celebrate their independence day.
Sep21
Belize Independence Day
Feeling festive? This country's celebration has it all — music, food, friends, and fun.
Sep21
Escapology Day
Check out three magical ways you too can enjoy Escapology Day like a professional.
Sep21
International Coastal Cleanup Day
Let’s roll up our sleeves and clean our beaches and coastlines to reduce pollution.
Sep21
International Day of Peace
Let there be peace by making the world a better and more sustainable place for all.
Sep21
International Eat An Apple Day
As the saying goes, that's how you keep the doctor away.
Sep21
International Red Panda Day
Celebrate the day to encourage the preservation of the adorable red pandas.
Sep21
Mabon
Grab your fruit baskets and wine as we dedicate this festival to the bountiful harvest.
Sep21
Malta Independence Day
Though one of the smallest nations globally, Malta has a rich political and cultural history.
Sep21
Miniature Golf Day
Miniature golf can be traced back to the 19th century.
Sep21
National AKC Responsible Dog Ownership Day
Hey, dog owners, kiss your buddies and give them extra special treats today!
Sep21
National Boys’ and Girls’ Club Day for Kids
National Boys’ and Girls’ Club Day for Kids is here, let’s celebrate!
Sep21
National Brittany Day
Celebrate anyone you know named Brittany and bring this name back in fashion!
Sep21
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.
Sep21
National Chai Day
Ready your cups, water, and tea mix, as we celebrate an amazing herbal, nourishing drink.
Sep21
National Garage Condo Day
Join us as we celebrate National Garage Condo Day this September 21!
Sep21
National Gymnastics Day
Gyms turn into beehives of activity, highlighting the benefits of a healthy body.
Sep21
National Hannah Day
This holiday is your chance to honor and celebrate all your favorite Hannahs around the world!
Sep21
National Kristina Day
Celebrate anyone you know with this name, with all its plentiful variations and spellings!
Sep21
National Opioid Awareness Day
It’s National Opioid Awareness Day; all hands on deck to eliminate the abuse of these drugs.
Sep21
National Pecan Cookie Day
Get your taste buds dancing as we dive into the cookie jar for National Pecan Cookie Day.
Sep21
National Sew a Jelly Roll Day
Warm those Jelly Rolls up; it’s time for National Sew a Jelly Roll Day!
Sep21
Puppy Mill Awareness Day
Did you know millions of dogs are killed due to puppy mills every day?
Sep21
Responsible Dog Ownership Day
Today, pet parents ‘pawse’ and remember the promises they made to their ‘furever’ friends.
Sep21
Telegraph Pole Appreciation Day
It’s time to ramp it up for a day dedicated to the appreciation for telegraph poles!
Sep21
Usher Syndrome Awareness Day
The first step to raising awareness for this rare genetic disease is educating yourself.
Sep21
World Alzheimer’s Day
On this day, the world concentrates its efforts on creating awareness of Alzheimer’s disease.
Sep21
World Gratitude Day
World Gratitude Day is the day to start living a life of gratitude.
Sep21
World Mini Golf Day
Come and join us as we learn more about this tee-rific holiday.