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List of Special Days and National Days in April in United States.
National Day
When is observed
Easter observed the first Sunday after the full moon following the March Equinox.
International Fun at Work Day observed annually on April 1st.
Dyngus Day observed the day after Easter.
Easter Monday observed the day after Easter.
International Children’s Book Day has always been observed annually on the first Monday of April.
Sweet Potato Day also known as Tater Day. Observed the first Monday of April.
White House Easter Egg Roll observed the day after Easter.
SAAM Day of Action has always been observed annually on the first Tuesday of April.
National Day of Hope has always been observed annually on the first Wednesday of April.
National Walking Day has always been observed annually on the first Wednesday of April.
Paraprofessional Appreciation Day has always been observed annually on the first Wednesday of April.
Whole Grain Sampling Day has always been observed annually on the first Wednesday of April.
National Alcohol Screening Day has always been observed annually on Thursday of the first full week of April.
National Burrito Day has always been observed annually on the first Thursday of April.
Hospital Admitting Clerks Day has always been observed annually on the first Friday of April.
National Walk to Work Day has always been observed annually on the first Friday of April.
Student Government Day has always been observed annually on the first Friday of April.
Every Day is Tag Day also known as Tag Day. Observed the first Saturday of April.
International Pillow Fight Day has always been observed annually on the first Saturday of April.
National Love Our Children Day has always been observed annually on the first Saturday of April.
Tangible Karma Day has always been observed annually on the first Saturday of April.
National Be Kind To Lawyers Day has always been observed annually on the second Tuesday of April.
National Library Workers Day has always been observed annually on Tuesday of the second full week of April.
Safety Pin Day also known as International Safety Pin Day. It has always been observed annually on April 10th.
National Bookmobile Day observed Wednesday of the second full week of April.
School Librarians’ Day has always been observed annually on Wednesday of the second full week of April.
Submarine Day observed annually on March 17th and annually on April 11th.
Celebrate Teen Literature Day has always been observed annually on Thursday of the second full week of April.
Blame Someone Else Day observed the first Friday the 13th of the year.
International Skeptics Day observed the first Friday the 13th of the year.
Baby Massage Day has always been observed annually on the second Saturday of April.
Slow Art Day has always been observed annually on the second Saturday of April.
Go Fly a Kite Day has always been observed annually on the third Sunday of April.
World Art Day also known as Art History Day. It has always been observed annually on April 15th.
Boston Marathon Day has always been observed annually on the third Monday of April.
Patriots’ Day has always been observed annually on the third Monday of April.
Get to Know Your Customer Day observed the third Thursday of January, the third Thursday of April, the third Thursday of July, and the third Thursday of October.
International Pizza Cake Day has always been observed annually on the third Thursday of April.
National D.A.R.E. Day also known as National Drug Abuse Resistance Education Day. Observed the third Thursday of April.
National Ask an Atheist Day has always been observed annually on the third Thursday of April.
National High Five Day has always been observed annually on the third Thursday of April.
Auctioneers Day has always been observed annually on the third Saturday of April.
Husband Appreciation Day has always been observed annually on the third Saturday of April.
National Chocolate-Covered Cashews Day also known as National Chocolate-Covered Cashew Truffle Day. It has always been observed annually on April 21st.
National Tea Day also known as British National Tea Day and Tea Day. It has always been observed annually on April 21st.
World Circus Day has always been observed annually on the third Saturday of April.
School Bus Drivers’ Day has always been observed annually on the fourth Tuesday of April.
Administrative Professionals’ Day also known as Admin Day, Administrative Assistants’ Day, and Secretaries Day. Observed 6 days after the third Thursday of April.
Denim Day has always been observed annually on the last Wednesday of April.
International Noise Awareness Day has always been observed annually on the last Wednesday of April.
International Guide Dog Day is observed on the last Wednesday of April.
World Stationery Day has always been observed annually on the last Wednesday of April.
Pay it Forward Day has always been observed annually on the last Thursday of April.
Take Our Daughters and Sons to Work Day has always been observed annually on the fourth Thursday of April.
Thank You Thursday observed 6 days before the first Wednesday of May.
Childcare Professionals Day has always been observed annually on the last Friday of April.
National Arbor Day has always been observed annually on the last Friday of April.
National Hairball Awareness Day has always been observed annually on the last Friday of April.
Bob Wills Day has always been observed annually on the last Saturday of April.
Eeyore’s Birthday has always been observed annually on the last Saturday of April.
Independent Bookstore Day also known as Indie Bookstore Day. Observed the last Saturday of April.
International Marconi Day observed the closest Saturday to April 25th.
International TableTop Day has always been observed annually on the last Saturday of April.
National Go Birding Day has always been observed annually on the last Saturday of April.
National Day of Puppetry has always been observed annually on the fourth Saturday of April.
National Sense of Smell Day has always been observed annually on the last Saturday of April.
National Rebuilding Day has always been observed annually on the last Saturday of April.
Save the Frogs Day has always been observed annually on the last Saturday of April.
World Healing Day has always been observed annually on the last Saturday of April.
World Veterinary Day has always been observed annually on the last Saturday of April.
World Tai Chi and Qigong Day also known as World T’ai Chi and Ch’i Kung Day. Observed the last Saturday of April.
Mother, Father Deaf Day has always been observed annually on the last Sunday of April.
Pesach Sheni observed the 14th of Iyyar in the Hebrew calendar.
National Pet Parent’s Day has always been observed annually on the last Sunday of April.
World Pinhole Photography Day has always been observed annually on the last Sunday of April.
Day of the Child also known as Day of the Book, El día de los libros, and El día de los niños. It has always been observed annually on April 30th.
April Fools’ Day has always been observed annually on April 1.
Assyrian New Year also known as Ha b’ Nisin and Kha b’ Nisan. It has always been observed annually on April 1.
Boomer Bonus Day has always been observed annually on April 1.
Edible Book Day has always been observed annually on April 1.
International Tatting Day has always been observed annually on April 1.
Fossil Fools Day has always been observed annually on April 1.
Lupus Alert Day has always been observed annually on April 1.
National Love for our Children Day has always been observed annually on April 1.
National Atheist’s Day has always been observed annually on April 1.
National Baked Ham with Pineapple Day has always been observed annually on April 1.
National One Cent Day has always been observed annually on April 1.
Poetry and the Creative Mind Day has always been observed annually on April 1.
Reading is Funny Day has always been observed annually on April 1.
National Sourdough Bread Day has always been observed annually on April 1.
US Air Force Academy Day has always been observed annually on April 1.
International Fact-Checking Day has always been observed annually on April 2.
National Ferret Day has always been observed annually on April 2.
National Fun Day has always been observed annually on April 2.
National Love your Produce Manager Day has always been observed annually on April 2.
National Peanut Butter and Jelly Day has always been observed annually on April 2.
Reconciliation Day has always been observed annually on April 2.
World Autism Awareness Day has always been observed annually on April 2.
Armenian Appreciation Day has always been observed annually on April 3.
Find a Rainbow Day has always been observed annually on April 3.
Fish Fingers and Custard Day has always been observed annually on April 3.
National Chocolate Mousse Day has always been observed annually on April 3.
Pony Express Day has always been observed annually on April 3.
National Don’t Go to Work Unless It’s Fun Day has always been observed annually on April 3.
Tweed Day has always been observed annually on April 3.
Weed Out Hate Sow The Seeds of Greatness Day has always been observed annually on April 3.
World Party Day also known as P-Day. It has always been observed annually on April 3.
404 Day has always been observed annually on April 4.
Hug a Newsperson Day also known as Hug a News Anchor Day, Hug a Newsman Day, and Hug a Newswoman Day. It has always been observed annually on April 4.
International Carrot Day has always been observed annually on April 4.
International Day for Mine Awareness and Assistance in Mine Action has always been observed annually on April 4.
National Cordon Bleu Day has always been observed annually on April 4.
National Tell a Lie Day has always been observed annually on April 4.
Victims of Violence Wholly Day has always been observed annually on April 4.
Vitamin C Day has always been observed annually on April 4.
Walk Around Things Day has always been observed annually on April 4.
World Rat Day has always been observed annually on April 4.
Accelerate ACL Awareness Among Young Women Day also known as National AAAYW Day. It has always been observed annually on April 5.
Bell Bottoms Day has always been observed annually on April 5.
Go for Broke Day has always been observed annually on April 5.
National Caramel Day has always been observed annually on April 5.
Read a Road Map Day has always been observed annually on April 5.
National Raisin and Spice Bar Day has always been observed annually on April 5.
National Deep Dish Pizza Day has always been observed annually on April 5.
National Dandelion day has always been observed annually on April 5.
Army Day has always been observed annually on April 6.
Church of Latter Day Saints Day also known as Church of Jesus Christ of Latter-day Saints Day. It has always been observed annually on April 6.
Drowsy Drivers Awareness Day has always been observed annually on April 6.
Fresh Tomato Day has always been observed annually on April 6.
National Caramel Popcorn Day has always been observed annually on April 6.
Jump Over Things Day has always been observed annually on April 6.
International Day of Sport for Development and Peace has always been observed annually on April 6.
National Hostess Twinkie Day has always been observed annually on April 6.
National Siamese Cat Day has always been observed annually on April 6.
National Student Athlete Day has always been observed annually on April 6.
National Tartan Day has always been observed annually on April 6.
New Beers Eve has always been observed annually on April 6.
Plan Your Epitaph Day has always been observed annually on April 6.
Teflon Day has always been observed annually on April 6.
Sorry Charlie Day has always been observed annually on April 6.
Empowered Women Entrepreneurs Day has always been observed annually on April 7.
International Beaver Day has always been observed annually on April 7.
Metric System Day has always been observed annually on April 7.
International Snailpapers Day has always been observed annually on April 7.
International Day of Reflection on the 1994 Rwanda Genocide has always been observed annually on April 7.
National Coffee Cake Day has always been observed annually on April 7.
National No Housework Day has always been observed annually on April 7.
National Beer Day has always been observed annually on April 7.
Public Television Day has always been observed annually on April 7.
World Health Day has always been observed annually on April 7.
National Pet Health Insurance Day has always been observed annually on April 7.
World Health Organization Day has always been observed annually on April 7.
Dog Farting Awareness Day has always been observed annually on April 8.
Draw a Picture of a Bird Day has always been observed annually on April 8.
International Feng Shui Awareness Day has always been observed annually on April 8.
International Romani Day has always been observed annually on April 8.
National All is Ours Day has always been observed annually on April 8.
National Dog Fighting Awareness Day has always been observed annually on April 8.
National Empañada Day has always been observed annually on April 8.
Step into the Spotlight! Day has always been observed annually on April 8.
Trading Cards For Grown-ups Day has always been observed annually on April 8.
Zoo Lovers Day has always been observed annually on April 8.
Appomattox Day has always been observed annually on April 9.
Jenkins Ear Day has always been observed annually on April 9.
National Cherish an Antique Day has always been observed annually on April 9.
National Chinese Almond Cookie Day has always been observed annually on April 9.
National Chicken Little Awareness Day has always been observed annually on April 9.
National Former Prisoner of War Recognition Day has always been observed annually on April 9.
National Winston Churchill Day has always been observed annually on April 9.
National Name Yourself Day has always been observed annually on April 9.
American Society for the Prevention of Cruelty to Animals Day also known as ASPCA Day. It has always been observed annually on April 10.
Encourage a Young Writer Day has always been observed annually on April 10.
Golfer’s Day (Golf Day) has always been observed annually on April 10.
Golf Day also known as Golfer’s Day. It has always been observed annually on April 10.
National Farm Animals Day has always been observed annually on April 10.
National Cinnamon Crescent Day has always been observed annually on April 10.
National Sibling Day has always been observed annually on April 10.
Salvation Army Founders’ Day has always been observed annually on April 10.
Barbershop Quartet Day has always been observed annually on April 11.
International Louie Louie Day has always been observed annually on April 11.
National Cheese Fondue Day has always been observed annually on April 11.
National Eight-Track Tape Day has always been observed annually on April 11.
National Pet Day has always been observed annually on April 11.
World Parkinson’s Disease Day has always been observed annually on April 11.
Wear a Star Day has always been observed annually on April 12.
Big Wind Day has always been observed annually on April 12.
Drop Everything and Read Day has always been observed annually on April 12.
International Day for Street Children has always been observed annually on April 12.
International Day of Human Space Flight has always been observed annually on April 12.
National Grilled Cheese Sandwich Day has always been observed annually on April 12.
National Licorice Day has always been observed annually on April 12.
National Only Child Day has always been observed annually on April 12.
Russian Cosmonaut Day has always been observed annually on April 12.
Walk on Your Wild Side Day has always been observed annually on April 12.
National Peach Cobbler Day has always been observed annually on April 13.
Scrabble Day has always been observed annually on April 13.
Thomas Jefferson Day has always been observed annually on April 13.
Children With Alopecia Day has always been observed annually on April 14.
Dreams of Reason Feast Day has always been observed annually on April 14.
Ex Spouse Day has always been observed annually on April 14.
International Moment of Laughter Day has always been observed annually on April 14.
National Dolphin Day has always been observed annually on April 14.
Look up at the Sky Day has always been observed annually on April 14.
Pathologists’ Assistant Day has always been observed annually on April 14.
Reach as High as You Can Day has always been observed annually on April 14.
National Pecan Day has always been observed annually on April 14.
Pan American Day has always been observed annually on April 14.
Jackie Robinson Day has always been observed annually on April 15.
McDonald’s Day has always been observed annually on April 15.
Microvolunteering Day has always been observed annually on April 15.
National Glazed Spiral Ham Day has always been observed annually on April 15.
National Griper’s Day has always been observed annually on April 15.
National Rubber Eraser Day has always been observed annually on April 15.
Take a Wild Guess Day has always been observed annually on April 15.
National That Sucks Day has always been observed annually on April 15.
Titanic Remembrance Day has always been observed annually on April 15.
Day of the Mushroom has always been observed annually on April 16.
Foursquare Day also known as 4sqDay. It has always been observed annually on April 16.
National Eggs Benedict Day has always been observed annually on April 16.
National Healthcare Decisions Day has always been observed annually on April 16.
National Librarian Day has always been observed annually on April 16.
National Stress Awareness Day has always been observed annually on April 16.
National Wear Your Pajamas to Work Day has always been observed annually on April 16.
Save The Elephant Day has always been observed annually on April 16.
Teach Your Daughter to Volunteer Day has always been observed annually on April 16.
Bat Appreciation Day has always been observed annually on April 17.
Blah, Blah, Blah Day has always been observed annually on April 17.
Ellis Island Family History Day has always been observed annually on April 17.
Income Tax Pay Day has always been observed annually on April 17.
Tax Day also known as Income Tax Pay Day. It has been observed annually on April 15th unless it falls on holiday or weekend. April 17.
International Ford Mustang Day has always been observed annually on April 17.
International Haiku Poetry Day has always been observed annually on April 17.
National Kickball Day has always been observed annually on April 17.
Malbec World Day has always been observed annually on April 17.
Nothing Like a Dame Day has always been observed annually on April 17.
National Cheeseball Day has always been observed annually on April 17.
World Hemophilia Day has always been observed annually on April 17.
Adult Autism Awareness Day has always been observed annually on April 18.
International Amateur Radio Day has always been observed annually on April 18.
National Animal Crackers Day has always been observed annually on April 18.
National Lineman Appreciation Day has always been observed annually on April 18.
National Velociraptor Awareness Day has always been observed annually on April 18.
Newspaper Columnists Day has always been observed annually on April 18.
Pet Owners Independence Day has always been observed annually on April 18.
World Heritage Day has always been observed annually on April 18.
Bicycle Day has always been observed annually on April 19.
Humorous Day has always been observed annually on April 19.
John Parker Day has always been observed annually on April 19.
National Amaretto Day has always been observed annually on April 19.
National Hanging Out Day has always been observed annually on April 19.
National Garlic Day has always been observed annually on April 19.
Oklahoma City Bombing Commemoration Day has always been observed annually on April 19.
Chinese Language Day has always been observed annually on April 20.
Lima Bean Respect Day has always been observed annually on April 20.
National Cheddar Fries Day has always been observed annually on April 20.
National Look Alike Day has always been observed annually on April 20.
National Pineapple Upside-down Cake Day has always been observed annually on April 20.
Volunteer Recognition Day has always been observed annually on April 20.
Big Word Day has always been observed annually on April 21.
Bulldogs are Beautiful Day has always been observed annually on April 21.
Keep Off the Grass Day has always been observed annually on April 21.
Kindergarten Day has always been observed annually on April 21.
San Jacinto Day has always been observed annually on April 21.
Tuna Rights Day has always been observed annually on April 21.
Thank You for Libraries Day has always been observed annually on April 21.
World Creativity and Innovation Day has always been observed annually on April 21.
In God We Trust Day has always been observed annually on April 22.
April Showers Day has always been observed annually on April 22.
Chemists Celebrate the Earth Day has always been observed annually on April 22.
Earth Day has always been observed annually on April 22.
Girl Scout Leader Day has always been observed annually on April 22.
International Mother Earth Day has always been observed annually on April 22.
National Jelly Bean Day has always been observed annually on April 22.
English Language Day has always been observed annually on April 23.
German Beer Day has always been observed annually on April 23.
Impossible Astronaut Day has always been observed annually on April 23.
International Nose Picking Day has always been observed annually on April 23.
International Pixel-Stained Technopeasant Day has always been observed annually on April 23.
Lover’s Day has always been observed annually on April 23.
Movie Theatre Day has always been observed annually on April 23.
National Cherry Cheesecake Day has always been observed annually on April 23.
National Zucchini Bread Day has always been observed annually on April 23.
National Lost Dog Awareness Day has always been observed annually on April 23.
National Picnic Day has always been observed annually on April 23.
Saint George’s Day has always been observed annually on April 23.
Slay a Dragon Day has always been observed annually on April 23.
Take a Chance Day has always been observed annually on April 23.
Talk Like Shakespeare Day has always been observed annually on April 23.
World Book and Copyright Day also known as International Day of the Book and World Book Day. It has always been observed annually on April 23.
World Book Night has always been observed annually on April 23.
World Laboratory Day has always been observed annually on April 23.
Armenian Genocide Remembrance Day also known as National Day of Remembrance of Man’s Inhumanity to Man. It has always been observed annually on April 24.
National Pigs-in-a-Blanket Day has always been observed annually on April 24.
National Teach Your Children to Save Day has always been observed annually on April 24.
World Meningitis Day has always been observed annually on April 24.
New Kids on the Block Day has always been observed annually on April 24.
World Day for Laboratory Animals also known as World Lab Animal Day. It has always been observed annually on April 24.
DNA Day also known as Deoxyribonucleic Acid Day. It has always been observed annually on April 25.
Hairstylists Appreciation Day also known as National Hairdresser Appreciation Day. It has always been observed annually on April 25.
East Meets West Day has always been observed annually on April 25.
National Telephone Day has always been observed annually on April 25.
National Mani-Pedi Day has always been observed annually on April 25.
National Plumber’s Day also known as Hug a Plumber Day. It has always been observed annually on April 25.
National Crayola Day has always been observed annually on April 25.
World Malaria Day has always been observed annually on April 25.
Parental Alienation Awareness Day has always been observed annually on April 25.
Red Hat Society Day has always been observed annually on April 25.
World Penguin Day has always been observed annually on April 25.
Audubon Day has always been observed annually on April 26.
Get Organized Day has always been observed annually on April 26.
Hug a Friend Day has always been observed annually on April 26.
Hug an Australian Day has always been observed annually on April 26.
National Help a Horse Day has always been observed annually on April 26.
National Kids and Pets Day has always been observed annually on April 26.
National Pretzel Day has always been observed annually on April 26.
National Static Cling Day has always been observed annually on April 26.
National Richter Scale Day has always been observed annually on April 26.
World Intellectual Property Day has always been observed annually on April 26.
Babe Ruth Day has always been observed annually on April 27.
Matanzas Mule Day has always been observed annually on April 27.
Morse Code Day has always been observed annually on April 27.
National Prime Rib Day has always been observed annually on April 27.
National Tell a Story Day has always been observed annually on April 27.
Biological Clock Day has always been observed annually on April 28.
Great Poetry Reading Day has always been observed annually on April 28.
National Cubicle Day has always been observed annually on April 28.
National Blueberry Pie Day has always been observed annually on April 28.
National Kiss Your Mate Day has always been observed annually on April 28.
National Superhero Day has always been observed annually on April 28.
World Day for Safety and Health at Work has always been observed annually on April 28.
Workers’ Memorial Day also known as Day of Mourning, International Commemoration Day (ICD) for Dead and Injured, and International Workers’ Memorial Day. It has always been observed annually on April 28.
Day of Remembrance for all Victims of Chemical Warfare has always been observed annually on April 29.
International Dance Day has always been observed annually on April 29.
National Peace Rose Day has always been observed annually on April 29.
National Shrimp Scampi Day has always been observed annually on April 29.
World Wish Day has always been observed annually on April 29.
Viral Video Day has always been observed annually on April 29.
Zipper Day has always been observed annually on April 29.
Adopt a Shelter Pet Day has always been observed annually on April 30.
Bugs Bunny Day has always been observed annually on April 30.
Hairstyle Appreciation Day has always been observed annually on April 30.
International Jazz Day has always been observed annually on April 30.
National Animal Advocacy Day has always been observed annually on April 30.
National Honesty Day has always been observed annually on April 30.
National Mr. Potato Head Day has always been observed annually on April 30.
National Oatmeal Cookie Day has always been observed annually on April 30.
National Military Brats Day has always been observed annually on April 30.
National Raisin Day has always been observed annually on April 30.
Spank Out Day has always been observed annually on April 30.
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