April 21st Holidays

April 21st is the 111th day in the Gregorian calendar; it marks the anniversary of the Lisbon Massacre coming to an end and the opening of the Seattle World’s Fair. Famous April 21st birthdays include Tony Danza, Andie MacDowell, Glen Hansard, and Rob Riggle. April 21st also marks Husband Appreciation Day and National Bulldogs are Beautiful Day.

We have 21 holidays listed for April 21.

Apr21

National Bulldogs Are Beautiful Day

French, American, or English — bulldogs portray glamour in their own special way.

Apr21

Big Word Day

Raise your words, not your voice, by broadening your vocabulary with fancy words like ‘embourgeoisement!’

Apr21

Festival of Ridvan

During these days of the Ridvàn festival, we are spreading holiness, love, and joy.

Apr21

International Hemp Day

Learn the history, facts, and benefits of hemp as we celebrate International Hemp Day.

Apr21

Keep Off the Grass Day

We’re learning all about lawns and how to keep off the grass.

Apr21

National Alex Day

The name Alex has the Midas touch. This ancient Greek name is loved even today.

Apr21

National Chickpea Day

Get your forks ready and dig into your chickpeas to celebrate this special day!

Apr21

National Chocolate Covered Cashews Day

Get ready for a chocolaty, crunchy, nutty, and very sweet day with chocolate and cashews!

Apr21

National Javier Day

Learn about Saint Xavier, who inspired the name, and others who inherited it.

Apr21

National Kindergarten Day

Get out your crayons and flash cards — it's time for National Kindergarten Day!

Apr21

National Pet CBD day

Learn about C.B.D. and its health benefits for your beloved pets.

Apr21

National Surprise Drug Test Day

There's so much to learn and knowledge to share about drugs on National Surprise Drug Test Day.

Apr21

National Tea Day

This love for tea dates back centuries and seems to only get stronger (pun intended)!

Apr21

National Yellow Bat Day

The symbol of the 265th ASA is a bat with outstretched wings on a full moon.

Apr21

San Jacinto Day

Do not miss celebrating San Jacinto Day. Everything you need to know is here!

Apr21

Thank You for Libraries Day

Learn more about Thank You For Libraries Day and how you can celebrate.

Apr21

Tiradentes Day

Brazilians recognize the martyrdom of Tiradentes every year on Tiradentes Day.

Apr21

Tiradentes' Day

Brazilians will always cherish the memory of this national hero and revolutionary.

Apr21

Tuna Rights Day

Read up to understand the basics of sustainable consumption this Tuna Rights Day.

Apr21

World Creativity and Innovation Day

It’s the day to step outside the box, put on your thinking hat, and dream big!

Apr21

World Curlew Day

Get ready to learn about these amazing birds and their importance to our ecosystem.