Here is a list of links to strange, fun and unofficial holidays celebrated in April.  Links in boldface are profiled on Worldwide Weird Holidays.

 

April 1

April Fools’ Day
International Tatting Day
National Atheist’s Day
National One Cent Day
National Sourdough Bread Day
National Walk To Work Day
Poetry and the Creative Mind Day
Reading Is Funny Day
St. Stupid Day
US Air Force Academy Day

April 2

International Pillow Fight Day – 2016
Every Day is Tag Day
International Children’s Book Day
International TableTop Day
National Ferret Day
National Love Our Children Day
National Love your Produce Manager Day
National Peanut Butter and Jelly Day
Reconciliation Day
Tangible Karma Day – 1st Saturday
World Autism Awareness Day

April 3

Tweed Day
Find a Rainbow Day
National Chocolate Mousse Day
National Don’t Go To Work Unless It’s Fun Day
Pony Express Day
Weed Out Hate: Sow The Seeds of Greatness Day
World Party Day

April 4

World Rat Day
International Day for Mine Awareness and Assistance in Mine Action
National Cordon Bleu Day
National Tell-A-Lie Day
Square Root Day
Tater Day
Victims of Violence Wholly Day
Vitamin C Day

April 5

National Caramel Day
Go For Broke Day
National Deep Dish Pizza Day
National Raisin and Spice Bar Day
Read a Road Map Day
SAAM Day of Action

April 6

New Beer’s Eve
Army Day
Drowsy Drivers Awareness Day
International Day of Sport for Development and Peace
National Caramel Popcorn Day
National Hostess Twinkie Day
National Siamese Cat Day
National Student Athlete Day
National Tartan Day
National Walking Day
Paraprofessional Appreciation Day
Plan Your Epitaph Day
Sorry Charlie Day
Teflon Day
Whole Grain Sampling Day

April 7

National Beer Day
International Beaver Day
International Day of Reflection on the 1994 Rwanda Genocide
International Snailpapers Day
Metric System Day
National Alcohol Screening Day
National Coffee Cake Day
National No Housework Day
World Health Day
World Health Organization Day

April 8

Dog Farting Awareness Day
Draw a Picture of a Bird Day
International Romani Day
National All is Ours Day
National Dog Fighting Awareness Day
National Empanada Day
Vesakha

April 9

Jenkins’ Ear Day
Appomattox Day
Baby Massage Day
National Cherish an Antique Day
National Chinese Almond Cookie Day
National Former Prisoner of War Recognition Day
National Name Yourself Day
National Winston Churchill Day
Slow Art Day

April 10

International Safety Pin Day
ASPCA Day
Golfer’s Day
National Cinnamon Crescent Day
National Farm Animals Day
National Sibling Day
Salvation Army Founder’s Day

April 11

International Louie Louie Day
Barbershop Quartet Day
National Cheese Fondue Day
National Eight-Track Tape Day
National Pet Day
World Parkinson’s Disease Day

April 12

National Equal Pay Day – 2016
Big Wind Day
Drop Everything and Read Day
International Day for Street Children
International Day of Human Space Flight
National Be Kind To Lawyers Day
National Grilled Cheese Sandwich Day
National Library Workers Day
National Licorice Day
National Only Child Day
Russian Cosmonaut Day
Walk on Your Wild Side Day

April 13

Scrabble Day
National Bookmobile Day
National Peach Cobbler Day
Thomas Jefferson Day

April 14

Pathologists’ Assistant Day
Whatever Happened to Celebrate Teen Literature Day?
Children With Alopecia Day
Ex-Spouse Day
International Moment of Laughter Day
Look Up At The Sky Day
National Dolphin Day
National Pecan Day
Pan American Day
Reach as High as You Can Day

April 15

McDonald’s Day
Jackie Robinson Day
National Glazed Spiral Ham Day
National Rubber Eraser Day
National That Sucks Day
Take a Wild Guess Day
Titanic Remembrance Day
World Art Day

April 16

National Stress Awareness Day
Husband Appreciation Day
National Eggs Benedict Day
National Healthcare Decisions Day
Record Store Day
Save the Elephant Day
Teach Your Daughter to Volunteer Day

April 17

Blah Blah Blah Day
Bat Appreciation Day
Ellis Island Family History Day
International Ford Mustang Day
International Haiku Poetry Day
National Cheese Ball Day
Nothing Like a Dame Day
World Hemophilia Day

April 18

Champions’ Day
Adult Autism Awareness Day
Boston Marathon Day
International Amateur Radio Day
National Animal Crackers Day
National Lineman Appreciation Day
National Velociraptor Awareness Day
Newspaper Columnists’ Day
Patriots’ Day
Pet Owners Independence Day
World Heritage Day

April 19

Bicycle Day
John Parker Day
National Garlic Day
National Hanging Out Day
Oklahoma City Bombing Remembrance

April 20

Lima Bean Respect Day
Chinese Language Day
National Look Alike Day
National Pineapple Upside-down Cake Day

April 21

Keep Off the Grass Day
Bulldogs are Beautiful Day
Keep Off the Grass Day
Kindergarten Day
National Ask An Atheist Day
National Chocolate-Covered Cashews Day
National High Five Day
San Jacinto Day

April 22

In God We Trust Day
Chemists Celebrate the Earth Day
Earth Day
Girl Scout Leader Day
International Mother Earth Day
National Jelly Bean Day

April 23

Talk Like Shakespeare Day
English Language Day
Impossible Astronaut Day
International Marconi Day
International Nose Picking Day
International Pixel-Stained Technopeasant Day
Lover’s Day
National Cherry Cheesecake Day
National Lost Dog Awareness Day
National Picnic Day
National Zucchini Bread Day
Saint George’s Day
Take a Chance Day
World Book and Copyright Day
World Book Night
World Laboratory Day

April 24

New Kids on the Block Day
Armenian Genocide Remembrance Day
Mother, Father Deaf Day
National Pet Parent’s Day – last Sunday
National Pigs-in-a-Blanket Day
National Teach Your Children to Save Day
New Kids on the Block Day
World Day for Laboratory Animals
World Meningitis Day
World Pinhole Photography Day

April 25

DNA Day
East Meets West Day
National Mani-Pedi Day
Parental Alienation Awareness Day
Plumber’s Day
Red Hat Society Day
World Malaria Day
World Penguin Day

April 26

Alien Day
National Pretzel Day
Audubon Day
Hug an Australian Day
National Help a Horse Day
National Kids and Pets Day
National Richter Scale Day
World Intellectual Property Day

April 27

Matanzas Mule Day
Administrative Professionals’ Day
Babe Ruth Day
Denim Day
International Guide Dog Day
Morse Code Day
National Prime Rib Day
National Tell a Story Day

April 28

National Cubicle Day
Biological Clock Day
Great Poetry Reading Day
National Blueberry Pie Day
National Kiss Your Mate Day
National Superhero Day
Pay it Forward Day
Poem In Your Pocket Day
Take Our Daughters and Sons to Work Day
Workers’ Memorial Day
World Day for Safety and Health at Work

April 29

National Hairball Awareness Day
Day of Remembrance for all Victims of Chemical Warfare
International Dance Day
National Arbor Day
National Peace Rose Day
National Shrimp Scampi Day
Viral Video Day
World Wish Day
Zipper Day

April 30

Bugs Bunny Day
Adopt a Shelter Pet Day
Bob Wills Day
Day of the Child
Eeyore’s Birthday
Hairstylist Appreciation Day
International Jazz Day
National Animal Advocacy Day
National Go Birding Day
National Honesty Day
National Oatmeal Cookie Day
National Sense of Smell Day
Save the Frogs Day
SpankOut Day
World Tai Chi and Qigong Day
World Veterinary Day