May 20th Holidays

May 20th is the 140th day in the Gregorian calendar. On this day Chinese authorities declared martial law after pro-democracy protests in Tiananmen Square; Cuba gained independence from the United States, and Levi Strauss received his patent for blue jeans. Famous May 20th birthdays include Cher and Jimmy Stewart. Today is National Be a Millionaire Day.

We have 32 holidays listed for May 20.

May20

National Be a Millionaire Day

Today, there are more than 12 million millionaires all around the globe.

May20

National Armed Forces Day

A celebration for all five branches of the United States military.

May20

Cameroon Republic Day

Cameroon Republic Day is celebrated with military and civilian parades, and speeches made by important personalities.

May20

Clinical Trials Day

It is a day to highlight clinical research professionals' contributions to public health and medicine.

May20

Culture Freedom Day

Join us as we celebrate the free culture movement this Culture Freedom Day.

May20

East Timor Independence Day

Let’s learn about the bravery and courage of the people that fought for East Timor’s independence.

May20

Eliza Doolittle Day

This holiday, celebrate the Cockney accent and how we can be better versions of ourselves!

May20

Flower Day

Flower Day is here! What can be lovelier than gifting flowers to those you love?

May20

Hats for Headway Day

Help raise funds for brain injury survivors by posting a photo of yourself in a hat.

May20

International Heritage Breeds Day

On International Heritage Breeds Day, let’s protect rare and farm animal breeds from extinction.

May20

International Red Sneakers Day

Worldwide, millions of people will be made aware of the hazards of food allergies and anaphylaxis.

May20

National Band Director’s Day

If you’ve ever enjoyed the music performed at school sporting events, thank the Band Director!

May20

National Eli Day

Show all the Elis you know they — and their name — are loved.

May20

National High Heels Day

It’s that time of the year to strut in your highest heels and make history.

May20

National Jase Day

Rejoice and celebrate all the Jases out there with our awesome celebration suggestions.

May20

National Learn to Swim Day

When in the water, safety first! Discover the importance of learning how to swim.

May20

National Pick Strawberries Day

“Let me take you down 'cause I'm going to Strawberry Fields!”

May20

National Quiche Lorraine Day

Want to be a Masterchef without the hassle of cooking several dishes? We’ve got you covered.

May20

National Rescue Dog Day

Step up to show kindness and love to rescue dogs this National Rescue Dog Day.

May20

National Rio Day

Rio is an independent name that is associated with strength and bravery.

May20

National River Cleanup Day

Let's clean up our neighborhoods and local natural places this National River Cleanup Day.

May20

National Streaming Day

Grab your remote and popcorn to enjoy your favorite shows this National Streaming Day.

May20

National Women In Aerospace Day

The day also celebrates women working in commercial aviation, defense, and space.

May20

O. Henry Pun-off Day

Puns, wordplay, and wit — the perfect combination in O. Henry’s literary works!

May20

Plant a Lemon Tree Day

Plant a Lemon Tree Day celebrates the goodness of lemon trees around the world.

May20

Preakness Stakes

Come one, come all, for one of the best horse racing events of them all!

May20

Weights and Measures Day

Grab your measuring instruments. It's time to discover ‘weights and measures’ facts.

May20

World Autoimmune Arthritis Day

Let's support each other in the fight against autoimmune diseases. Together, we can find a cure.

May20

World Bee Day

Bees are critical to plant reproduction and human nutrition; let us protect them!

May20

World Fiddle Day

Everyone get your bows, it’s World Fiddle Day, so let’s go a-fiddling on this day!

May20

World Metrology Day

The Metre Convention developed a global measurement standard to facilitate scientific study, industrial production, and global trade.

May20

World Whisky Day

Whisky is a historical classic that’s been distilled with care for over 500 years.

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