September 21st Holidays

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

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.