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 9 holidays listed for April 21.


National Bulldogs Are Beautiful Day

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


Keep Off the Grass Day

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


National Chocolate Covered Cashews Day

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


National Kindergarten Day

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


National Tea Day

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


National Yellow Bat Day

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


Thank You for Libraries Day

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


Tiradentes Day

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


Tuna Rights Day

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