We have 33 holidays listed for April 1.
April 1st is the 91st day in the Gregorian calendar; it marks the anniversary of the ending of the Spanish Civil War and the creation of the United States Air Force Academy. Famous April 1st birthdays include Debbie Reynolds, Rachel Maddow, David Oyelowo, Taran Killam, and Logan Paul. April 1st also marks April Fools’ Day.
April Fools' Day
Mischief-makers have the chance to trick unsuspecting people for that opportunity to yell “April Fools!”
Major League Baseball Opening Day
Every year thousands of people call in sick so they can be in the seats when the first pitch is thrown.
Take Down Tobacco National Day of Action
A day of anti-smoking activism. Teachers, kids, youth leaders, and health advocates all participate!
Cyprus National Holiday
On Cyprus National Day, enjoy a day of relaxation while learning about the country's history.
Every Day is Tag Day
Pets need a tag because they do sometimes become victims of circumstance or go missing.
Fossil Fools Day
Let’s move away from fooling others to doing something good for our environment.
International Firewalk Day
Firewalking can change your life and help you become a better version of yourself.
International Fun at Work Day
Bring out your best games and strategies to have fun with your colleagues!
International Pillow Fight Day
Consider yourself a pillow warrior? It is time to prepare your pillows for battle!
Library Snap Shot Day
The library remains a place to gather in the spirit of learning and having fun.
Lupus Alert Day
Lupus Alert Day raises awareness about the deadly autoimmune disease known as lupus.
Mathematics and Statistics Awareness Month
Let us honor the indispensable and diverse field of math and stats.
National Connor Day
The name Connor is of Irish Gaelic origin, and it derives from the name ‘Conchobhar.’
National Greeting Card Day
Grab your art supplies and witty puns, it’s National Greeting Card Day!
National Love Our Children Day
Show some love — prepare to celebrate and lavish affection on children today and every day.
National Sourdough Bread Day
Sourdough bread is full of bugs — some 50 million yeasts and five billion Lactobacilli bacteria.
National Trombone Players Day
Discover your inner trombone playing skills and enjoy a few spectacular musical performances.
Nickelodeon Anniversary Celebration Day
Explore the history of one of the world's largest children's networks and its famous animations.
Reading is Funny Day
Children need to understand that reading can both be entertaining and educative.
Tatting Day is an annual event that celebrates the traditional craft of lace tatting.
U.S. Air Force Academy Day
Join us as we delve into the exciting history of the U.S. Air Force.
U.S. Air Force Academy Day
Raise those right hands to the forehead and let's salute the immaculate officers from the Academy!