Table of Contents
List of Special Days and National Days in April 2018 in US.
- Easter 2018 is observed on Sunday, April 1, 2018
- International Fun at Work Day 2018 is observed on Sunday, April 1, 2018
- Dyngus Day 2018 is observed on Monday, April 2, 2018
- Easter Monday 2018 is observed on Monday, April 2, 2018
- International Children’s Book Day 2018 is observed on Monday, April 2, 2018
- Sweet Potato Day 2018 is observed on Monday, April 2, 2018
- White House Easter Egg Roll 2018 is observed on Monday, April 2, 2018
- SAAM Day of Action 2018 is observed on Tuesday, April 3, 2018
- National Day of Hope 2018 is observed on Wednesday, April 4, 2018
- National Walking Day 2018 is observed on Wednesday, April 4, 2018
- Paraprofessional Appreciation Day 2018 is observed on Wednesday, April 4, 2018
- Whole Grain Sampling Day 2018 is observed on Wednesday, April 4, 2018
- National Alcohol Screening Day 2018 is observed on Thursday, April 5, 2018
- National Burrito Day 2018 is observed on Thursday, April 5, 2018
- Hospital Admitting Clerks Day 2018 is observed on Friday, April 6, 2018
- National Walk to Work Day 2018 is observed on Friday, April 6, 2018
- Student Government Day 2018 is observed on Friday, April 6, 2018
- Every Day is Tag Day 2018 is observed on Saturday, April 7, 2018
- International Pillow Fight Day 2018 is observed on Saturday, April 7, 2018
- National Love Our Children Day 2018 is observed on Saturday, April 7, 2018
- Tangible Karma Day 2018 is observed on Saturday, April 7, 2018
- National Be Kind To Lawyers Day 2018 is observed on Tuesday, April 10, 2018
- National Library Workers Day 2018 is observed on Tuesday, April 10, 2018
- Safety Pin Day 2018 is observed on Tuesday, April 10, 2018
- National Bookmobile Day 2018 is observed on Wednesday, April 11, 2018
- School Librarians’ Day 2018 is observed on Wednesday, April 11, 2018
- Submarine Day 2018 is observed on Wednesday, April 11, 2018
- Celebrate Teen Literature Day 2018 is observed on Thursday, April 12, 2018
- Blame Someone Else Day 2018 is observed on Friday, April 13, 2018
- International Skeptics Day 2018 is observed on Friday, April 13, 2018
- Baby Massage Day 2018 is observed on Saturday, April 14, 2018
- Slow Art Day 2018 is observed on Saturday, April 14, 2018
- Go Fly a Kite Day 2018 is observed on Sunday, April 15, 2018
- World Art Day 2018 is observed on Sunday, April 15, 2018
- Boston Marathon Day 2018 is observed on Monday, April 16, 2018
- Patriots’ Day 2018 is observed on Monday, April 16, 2018
- Get to Know Your Customer Day 2018 is observed on Thursday, April 19, 2018
- International Pizza Cake Day 2018 is observed on Thursday, April 19, 2018
- National D.A.R.E. Day 2018 is observed on Thursday, April 19, 2018
- National Ask an Atheist Day 2018 is observed on Thursday, April 19, 2018
- National High Five Day 2018 is observed on Thursday, April 19, 2018
- Auctioneers Day 2018 is observed on Saturday, April 21, 2018
- Husband Appreciation Day 2018 is observed on Saturday, April 21, 2018
- National Chocolate-Covered Cashews Day 2018 is observed on Saturday, April 21, 2018
- National Tea Day 2018 is observed on Saturday, April 21, 2018
- World Circus Day 2018 is observed on Saturday, April 21, 2018
- School Bus Drivers’ Day 2018 is observed on Tuesday, April 24, 2018
- Administrative Professionals’ Day 2018 is observed on Wednesday, April 25, 2018
- Denim Day 2018 is observed on Wednesday, April 25, 2018
- International Noise Awareness Day 2018 is observed on Wednesday, April 25, 2018
- International Guide Dog Day 2018 is observed on Wednesday, April 25, 2018
- World Stationery Day 2018 is observed on Wednesday, April 25, 2018
- Pay it Forward Day 2018 is observed on Thursday, April 26, 2018
- Take Our Daughters and Sons to Work Day 2018 is observed on Thursday, April 26, 2018
- Thank You Thursday 2018 is observed on Thursday, April 26, 2018
- Childcare Professionals Day 2018 is observed on Friday, April 27, 2018
- National Arbor Day 2018 is observed on Friday, April 27, 2018
- National Hairball Awareness Day 2018 is observed on Friday, April 27, 2018
- Bob Wills Day 2018 is observed on Saturday, April 28, 2018
- Eeyore’s Birthday 2018 is observed on Saturday, April 28, 2018
- Independent Bookstore Day 2018 is observed on Saturday, April 28, 2018
- International Marconi Day 2018 is observed on Saturday, April 28, 2018
- International TableTop Day 2018 is observed on Saturday, April 28, 2018
- National Go Birding Day 2018 is observed on Saturday, April 28, 2018
- National Day of Puppetry 2018 is observed on Saturday, April 28, 2018
- National Sense of Smell Day 2018 is observed on Saturday, April 28, 2018
- National Rebuilding Day 2018 is observed on Saturday, April 28, 2018
- Save the Frogs Day 2018 is observed on Saturday, April 28, 2018
- World Healing Day 2018 is observed on Saturday, April 28, 2018
- World Veterinary Day 2018 is observed on Saturday, April 28, 2018
- World Tai Chi and Qigong Day 2018 is observed on Saturday, April 28, 2018
- Mother, Father Deaf Day 2018 is observed on Sunday, April 29, 2018
- Pesach Sheni 2018 will begin in the evening of Saturday, April 28 and ends in the evening of Sunday, April 29, 2018
- National Pet Parent’s Day 2018 is observed on Sunday, April 29, 2018
- World Pinhole Photography Day 2018 is observed on Sunday, April 29, 2018
- Day of the Child 2018 is observed on Monday, April 30, 2018
- April Fools’ Day 2018 is observed on Sunday, April 1, 2018
- Assyrian New Year 2018 is observed on Sunday, April 1, 2018
- Boomer Bonus Day 2018 is observed on Sunday, April 1, 2018
- Edible Book Day 2018 is observed on Sunday, April 1, 2018
- International Tatting Day 2018 is observed on Sunday, April 1, 2018
- Fossil Fools Day 2018 is observed on Sunday, April 1, 2018
- Lupus Alert Day 2018 is observed on Sunday, April 1, 2018
- National Love for our Children Day 2018 is observed on Sunday, April 1, 2018
- National Atheist’s Day 2018 is observed on Sunday, April 1, 2018
- National Baked Ham with Pineapple Day 2018 is observed on Sunday, April 1, 2018
- National One Cent Day 2018 is observed on Sunday, April 1, 2018
- Poetry and the Creative Mind Day 2018 is observed on Sunday, April 1, 2018
- Reading is Funny Day 2018 is observed on Sunday, April 1, 2018
- National Sourdough Bread Day 2018 is observed on Sunday, April 1, 2018
- US Air Force Academy Day 2018 is observed on Sunday, April 1, 2018
- International Fact-Checking Day 2018 is observed on Monday, April 2, 2018
- National Ferret Day 2018 is observed on Monday, April 2, 2018
- National Fun Day 2018 is observed on Monday, April 2, 2018
- National Love your Produce Manager Day 2018 is observed on Monday, April 2, 2018
- National Peanut Butter and Jelly Day 2018 is observed on Monday, April 2, 2018
- Reconciliation Day 2018 is observed on Monday, April 2, 2018
- World Autism Awareness Day 2018 is observed on Monday, April 2, 2018
- Armenian Appreciation Day 2018 is observed on Tuesday, April 3, 2018
- Find a Rainbow Day 2018 is observed on Tuesday, April 3, 2018
- Fish Fingers and Custard Day 2018 is observed on Tuesday, April 3, 2018
- National Chocolate Mousse Day 2018 is observed on Tuesday, April 3, 2018
- Pony Express Day 2018 is observed on Tuesday, April 3, 2018
- National Don’t Go to Work Unless It’s Fun Day 2018 is observed on Tuesday, April 3, 2018
- Tweed Day 2018 is observed on Tuesday, April 3, 2018
- Weed Out Hate Sow The Seeds of Greatness Day 2018 is observed on Tuesday, April 3, 2018
- World Party Day 2018 is observed on Tuesday, April 3, 2018
- 404 Day 2018 is observed on Wednesday, April 4, 2018
- Hug a Newsperson Day 2018 is observed on Wednesday, April 4, 2018
- International Carrot Day 2018 is observed on Wednesday, April 4, 2018
- International Day for Mine Awareness and Assistance in Mine Action 2018 is observed on Wednesday, April 4, 2018
- National Cordon Bleu Day 2018 is observed on Wednesday, April 4, 2018
- National Tell a Lie Day 2018 is observed on Wednesday, April 4, 2018
- Victims of Violence Wholly Day 2018 is observed on Wednesday, April 4, 2018
- Vitamin C Day 2018 is observed on Wednesday, April 4, 2018
- Walk Around Things Day 2018 is observed on Wednesday, April 4, 2018
- World Rat Day 2018 is observed on Wednesday, April 4, 2018
- Accelerate ACL Awareness Among Young Women Day 2018 is observed on Thursday, April 5, 2018
- Bell Bottoms Day 2018 is observed on Thursday, April 5, 2018
- Go for Broke Day 2018 is observed on Thursday, April 5, 2018
- National Caramel Day 2018 is observed on Thursday, April 5, 2018
- Read a Road Map Day 2018 is observed on Thursday, April 5, 2018
- National Raisin and Spice Bar Day 2018 is observed on Thursday, April 5, 2018
- National Deep Dish Pizza Day 2018 is observed on Thursday, April 5, 2018
- National Dandelion day 2018 is observed on Thursday, April 5, 2018
- Army Day 2018 is observed on Friday, April 6, 2018
- Church of Latter Day Saints Day 2018 is observed on Friday, April 6, 2018
- Drowsy Drivers Awareness Day 2018 is observed on Friday, April 6, 2018
- Fresh Tomato Day 2018 is observed on Friday, April 6, 2018
- National Caramel Popcorn Day 2018 is observed on Friday, April 6, 2018
- Jump Over Things Day 2018 is observed on Friday, April 6, 2018
- International Day of Sport for Development and Peace 2018 is observed on Friday, April 6, 2018
- National Hostess Twinkie Day 2018 is observed on Friday, April 6, 2018
- National Siamese Cat Day 2018 is observed on Friday, April 6, 2018
- National Student Athlete Day 2018 is observed on Friday, April 6, 2018
- National Tartan Day 2018 is observed on Friday, April 6, 2018
- New Beers Eve 2018 is observed on Friday, April 6, 2018
- Plan Your Epitaph Day 2018 is observed on Friday, April 6, 2018
- Teflon Day 2018 is observed on Friday, April 6, 2018
- Sorry Charlie Day 2018 is observed on Friday, April 6, 2018
- Empowered Women Entrepreneurs Day 2018 is observed on Saturday, April 7, 2018
- International Beaver Day 2018 is observed on Saturday, April 7, 2018
- Metric System Day 2018 is observed on Saturday, April 7, 2018
- International Snailpapers Day 2018 is observed on Saturday, April 7, 2018
- International Day of Reflection on the 1994 Rwanda Genocide 2018 is observed on Saturday, April 7, 2018
- National Coffee Cake Day 2018 is observed on Saturday, April 7, 2018
- National No Housework Day 2018 is observed on Saturday, April 7, 2018
- National Beer Day 2018 is observed on Saturday, April 7, 2018
- Public Television Day 2018 is observed on Saturday, April 7, 2018
- World Health Day 2018 is observed on Saturday, April 7, 2018
- National Pet Health Insurance Day 2018 is observed on Saturday, April 7, 2018
- World Health Organization Day 2018 is observed on Saturday, April 7, 2018
- Dog Farting Awareness Day 2018 is observed on Sunday, April 8, 2018
- Draw a Picture of a Bird Day 2018 is observed on Sunday, April 8, 2018
- International Feng Shui Awareness Day 2018 is observed on Sunday, April 8, 2018
- International Romani Day 2018 is observed on Sunday, April 8, 2018
- National All is Ours Day 2018 is observed on Sunday, April 8, 2018
- National Dog Fighting Awareness Day 2018 is observed on Sunday, April 8, 2018
- National Empañada Day 2018 is observed on Sunday, April 8, 2018
- Step into the Spotlight! Day 2018 is observed on Sunday, April 8, 2018
- Trading Cards For Grown-ups Day 2018 is observed on Sunday, April 8, 2018
- Zoo Lovers Day 2018 is observed on Sunday, April 8, 2018
- Appomattox Day 2018 is observed on Monday, April 9, 2018
- Jenkins Ear Day 2018 is observed on Monday, April 9, 2018
- National Cherish an Antique Day 2018 is observed on Monday, April 9, 2018
- National Chinese Almond Cookie Day 2018 is observed on Monday, April 9, 2018
- National Chicken Little Awareness Day 2018 is observed on Monday, April 9, 2018
- National Former Prisoner of War Recognition Day 2018 is observed on Monday, April 9, 2018
- National Winston Churchill Day 2018 is observed on Monday, April 9, 2018
- National Name Yourself Day 2018 is observed on Monday, April 9, 2018
- American Society for the Prevention of Cruelty to Animals Day 2018 is observed on Tuesday, April 10, 2018
- Encourage a Young Writer Day 2018 is observed on Tuesday, April 10, 2018
- Golfer’s Day (Golf Day) 2018 is observed on Tuesday, April 10, 2018
- Golf Day 2018 is observed on Tuesday, April 10, 2018
- National Farm Animals Day 2018 is observed on Tuesday, April 10, 2018
- National Cinnamon Crescent Day 2018 is observed on Tuesday, April 10, 2018
- National Sibling Day 2018 is observed on Tuesday, April 10, 2018
- Salvation Army Founders’ Day 2018 is observed on Tuesday, April 10, 2018
- Barbershop Quartet Day 2018 is observed on Wednesday, April 11, 2018
- International Louie Louie Day 2018 is observed on Wednesday, April 11, 2018
- National Cheese Fondue Day 2018 is observed on Wednesday, April 11, 2018
- National Eight-Track Tape Day 2018 is observed on Wednesday, April 11, 2018
- National Pet Day 2018 is observed on Wednesday, April 11, 2018
- World Parkinson’s Disease Day 2018 is observed on Wednesday, April 11, 2018
- Wear a Star Day 2018 is observed on Thursday, April 12, 2018
- Big Wind Day 2018 is observed on Thursday, April 12, 2018
- Drop Everything and Read Day 2018 is observed on Thursday, April 12, 2018
- International Day for Street Children 2018 is observed on Thursday, April 12, 2018
- International Day of Human Space Flight 2018 is observed on Thursday, April 12, 2018
- National Grilled Cheese Sandwich Day 2018 is observed on Thursday, April 12, 2018
- National Licorice Day 2018 is observed on Thursday, April 12, 2018
- National Only Child Day 2018 is observed on Thursday, April 12, 2018
- Russian Cosmonaut Day 2018 is observed on Thursday, April 12, 2018
- Walk on Your Wild Side Day 2018 is observed on Thursday, April 12, 2018
- National Peach Cobbler Day 2018 is observed on Friday, April 13, 2018
- Scrabble Day 2018 is observed on Friday, April 13, 2018
- Thomas Jefferson Day 2018 is observed on Friday, April 13, 2018
- Children With Alopecia Day 2018 is observed on Saturday, April 14, 2018
- Dreams of Reason Feast Day 2018 is observed on Saturday, April 14, 2018
- Ex Spouse Day 2018 is observed on Saturday, April 14, 2018
- International Moment of Laughter Day 2018 is observed on Saturday, April 14, 2018
- National Dolphin Day 2018 is observed on Saturday, April 14, 2018
- Look up at the Sky Day 2018 is observed on Saturday, April 14, 2018
- Pathologists’ Assistant Day 2018 is observed on Saturday, April 14, 2018
- Reach as High as You Can Day 2018 is observed on Saturday, April 14, 2018
- National Pecan Day 2018 is observed on Saturday, April 14, 2018
- Pan American Day 2018 is observed on Saturday, April 14, 2018
- Jackie Robinson Day 2018 is observed on Sunday, April 15, 2018
- McDonald’s Day 2018 is observed on Sunday, April 15, 2018
- Microvolunteering Day 2018 is observed on Sunday, April 15, 2018
- National Glazed Spiral Ham Day 2018 is observed on Sunday, April 15, 2018
- National Griper’s Day 2018 is observed on Sunday, April 15, 2018
- National Rubber Eraser Day 2018 is observed on Sunday, April 15, 2018
- Take a Wild Guess Day 2018 is observed on Sunday, April 15, 2018
- National That Sucks Day 2018 is observed on Sunday, April 15, 2018
- Titanic Remembrance Day 2018 is observed on Sunday, April 15, 2018
- Day of the Mushroom 2018 is observed on Monday, April 16, 2018
- Foursquare Day 2018 is observed on Monday, April 16, 2018
- National Eggs Benedict Day 2018 is observed on Monday, April 16, 2018
- National Healthcare Decisions Day 2018 is observed on Monday, April 16, 2018
- National Librarian Day 2018 is observed on Monday, April 16, 2018
- National Stress Awareness Day 2018 is observed on Monday, April 16, 2018
- National Wear Your Pajamas to Work Day 2018 is observed on Monday, April 16, 2018
- Save The Elephant Day 2018 is observed on Monday, April 16, 2018
- Teach Your Daughter to Volunteer Day 2018 is observed on Monday, April 16, 2018
- Bat Appreciation Day 2018 is observed on Tuesday, April 17, 2018
- Blah, Blah, Blah Day 2018 is observed on Tuesday, April 17, 2018
- Ellis Island Family History Day 2018 is observed on Tuesday, April 17, 2018
- Income Tax Pay Day 2018 is observed on Tuesday, April 17, 2018
- Tax Day 2018 is observed on Tuesday, April 17, 2018
- International Ford Mustang Day 2018 is observed on Tuesday, April 17, 2018
- International Haiku Poetry Day 2018 is observed on Tuesday, April 17, 2018
- National Kickball Day 2018 is observed on Tuesday, April 17, 2018
- Malbec World Day 2018 is observed on Tuesday, April 17, 2018
- Nothing Like a Dame Day 2018 is observed on Tuesday, April 17, 2018
- National Cheeseball Day 2018 is observed on Tuesday, April 17, 2018
- World Hemophilia Day 2018 is observed on Tuesday, April 17, 2018
- Adult Autism Awareness Day 2018 is observed on Wednesday, April 18, 2018
- International Amateur Radio Day 2018 is observed on Wednesday, April 18, 2018
- National Animal Crackers Day 2018 is observed on Wednesday, April 18, 2018
- National Lineman Appreciation Day 2018 is observed on Wednesday, April 18, 2018
- National Velociraptor Awareness Day 2018 is observed on Wednesday, April 18, 2018
- Newspaper Columnists Day 2018 is observed on Wednesday, April 18, 2018
- Pet Owners Independence Day 2018 is observed on Wednesday, April 18, 2018
- World Heritage Day 2018 is observed on Wednesday, April 18, 2018
- Bicycle Day 2018 is observed on Thursday, April 19, 2018
- Humorous Day 2018 is observed on Thursday, April 19, 2018
- John Parker Day 2018 is observed on Thursday, April 19, 2018
- National Amaretto Day 2018 is observed on Thursday, April 19, 2018
- National Hanging Out Day 2018 is observed on Thursday, April 19, 2018
- National Garlic Day 2018 is observed on Thursday, April 19, 2018
- Oklahoma City Bombing Commemoration Day 2018 is observed on Thursday, April 19, 2018
- Chinese Language Day 2018 is observed on Friday, April 20, 2018
- Lima Bean Respect Day 2018 is observed on Friday, April 20, 2018
- National Cheddar Fries Day 2018 is observed on Friday, April 20, 2018
- National Look Alike Day 2018 is observed on Friday, April 20, 2018
- National Pineapple Upside-down Cake Day 2018 is observed on Friday, April 20, 2018
- Volunteer Recognition Day 2018 is observed on Friday, April 20, 2018
- Big Word Day 2018 is observed on Saturday, April 21, 2018
- Bulldogs are Beautiful Day 2018 is observed on Saturday, April 21, 2018
- Keep Off the Grass Day 2018 is observed on Saturday, April 21, 2018
- Kindergarten Day 2018 is observed on Saturday, April 21, 2018
- San Jacinto Day 2018 is observed on Saturday, April 21, 2018
- Tuna Rights Day 2018 is observed on Saturday, April 21, 2018
- Thank You for Libraries Day 2018 is observed on Saturday, April 21, 2018
- World Creativity and Innovation Day 2018 is observed on Saturday, April 21, 2018
- In God We Trust Day 2018 is observed on Sunday, April 22, 2018
- April Showers Day 2018 is observed on Sunday, April 22, 2018
- Chemists Celebrate the Earth Day 2018 is observed on Sunday, April 22, 2018
- Earth Day 2018 is observed on Sunday, April 22, 2018
- Girl Scout Leader Day 2018 is observed on Sunday, April 22, 2018
- International Mother Earth Day 2018 is observed on Sunday, April 22, 2018
- National Jelly Bean Day 2018 is observed on Sunday, April 22, 2018
- English Language Day 2018 is observed on Monday, April 23, 2018
- German Beer Day 2018 is observed on Monday, April 23, 2018
- Impossible Astronaut Day 2018 is observed on Monday, April 23, 2018
- International Nose Picking Day 2018 is observed on Monday, April 23, 2018
- International Pixel-Stained Technopeasant Day 2018 is observed on Monday, April 23, 2018
- Lover’s Day 2018 is observed on Monday, April 23, 2018
- Movie Theatre Day 2018 is observed on Monday, April 23, 2018
- National Cherry Cheesecake Day 2018 is observed on Monday, April 23, 2018
- National Zucchini Bread Day 2018 is observed on Monday, April 23, 2018
- National Lost Dog Awareness Day 2018 is observed on Monday, April 23, 2018
- National Picnic Day 2018 is observed on Monday, April 23, 2018
- Saint George’s Day 2018 is observed on Monday, April 23, 2018
- Slay a Dragon Day 2018 is observed on Monday, April 23, 2018
- Take a Chance Day 2018 is observed on Monday, April 23, 2018
- Talk Like Shakespeare Day 2018 is observed on Monday, April 23, 2018
- World Book and Copyright Day 2018 is observed on Monday, April 23, 2018
- World Book Night 2018 is observed on Monday, April 23, 2018
- World Laboratory Day 2018 is observed on Monday, April 23, 2018
- Armenian Genocide Remembrance Day 2018 is observed on Tuesday, April 24, 2018
- National Pigs-in-a-Blanket Day 2018 is observed on Tuesday, April 24, 2018
- National Teach Your Children to Save Day 2018 is observed on Tuesday, April 24, 2018
- World Meningitis Day 2018 is observed on Tuesday, April 24, 2018
- New Kids on the Block Day 2018 is observed on Tuesday, April 24, 2018
- World Day for Laboratory Animals 2018 is observed on Tuesday, April 24, 2018
- DNA Day 2018 is observed on Wednesday, April 25, 2018
- Hairstylists Appreciation Day 2018 is observed on Wednesday, April 25, 2018
- East Meets West Day 2018 is observed on Wednesday, April 25, 2018
- National Telephone Day 2018 is observed on Wednesday, April 25, 2018
- National Mani-Pedi Day 2018 is observed on Wednesday, April 25, 2018
- National Plumber’s Day 2018 is observed on Wednesday, April 25, 2018
- National Crayola Day 2018 is observed on Wednesday, April 25, 2018
- World Malaria Day 2018 is observed on Wednesday, April 25, 2018
- Parental Alienation Awareness Day 2018 is observed on Wednesday, April 25, 2018
- Red Hat Society Day 2018 is observed on Wednesday, April 25, 2018
- World Penguin Day 2018 is observed on Wednesday, April 25, 2018
- Audubon Day 2018 is observed on Thursday, April 26, 2018
- Get Organized Day 2018 is observed on Thursday, April 26, 2018
- Hug a Friend Day 2018 is observed on Thursday, April 26, 2018
- Hug an Australian Day 2018 is observed on Thursday, April 26, 2018
- National Help a Horse Day 2018 is observed on Thursday, April 26, 2018
- National Kids and Pets Day 2018 is observed on Thursday, April 26, 2018
- National Pretzel Day 2018 is observed on Thursday, April 26, 2018
- National Static Cling Day 2018 is observed on Thursday, April 26, 2018
- National Richter Scale Day 2018 is observed on Thursday, April 26, 2018
- World Intellectual Property Day 2018 is observed on Thursday, April 26, 2018
- Babe Ruth Day 2018 is observed on Friday, April 27, 2018
- Matanzas Mule Day 2018 is observed on Friday, April 27, 2018
- Morse Code Day 2018 is observed on Friday, April 27, 2018
- National Prime Rib Day 2018 is observed on Friday, April 27, 2018
- National Tell a Story Day 2018 is observed on Friday, April 27, 2018
- Biological Clock Day 2018 is observed on Saturday, April 28, 2018
- Great Poetry Reading Day 2018 is observed on Saturday, April 28, 2018
- National Cubicle Day 2018 is observed on Saturday, April 28, 2018
- National Blueberry Pie Day 2018 is observed on Saturday, April 28, 2018
- National Kiss Your Mate Day 2018 is observed on Saturday, April 28, 2018
- National Superhero Day 2018 is observed on Saturday, April 28, 2018
- World Day for Safety and Health at Work 2018 is observed on Saturday, April 28, 2018
- Workers’ Memorial Day 2018 is observed on Saturday, April 28, 2018
- Day of Remembrance for all Victims of Chemical Warfare 2018 is observed on Sunday, April 29, 2018
- International Dance Day 2018 is observed on Sunday, April 29, 2018
- National Peace Rose Day 2018 is observed on Sunday, April 29, 2018
- National Shrimp Scampi Day 2018 is observed on Sunday, April 29, 2018
- World Wish Day 2018 is observed on Sunday, April 29, 2018
- Viral Video Day 2018 is observed on Sunday, April 29, 2018
- Zipper Day 2018 is observed on Sunday, April 29, 2018
- Adopt a Shelter Pet Day 2018 is observed on Monday, April 30, 2018
- Bugs Bunny Day 2018 is observed on Monday, April 30, 2018
- Hairstyle Appreciation Day 2018 is observed on Monday, April 30, 2018
- International Jazz Day 2018 is observed on Monday, April 30, 2018
- National Animal Advocacy Day 2018 is observed on Monday, April 30, 2018
- National Honesty Day 2018 is observed on Monday, April 30, 2018
- National Mr. Potato Head Day 2018 is observed on Monday, April 30, 2018
- National Oatmeal Cookie Day 2018 is observed on Monday, April 30, 2018
- National Military Brats Day 2018 is observed on Monday, April 30, 2018
- National Raisin Day 2018 is observed on Monday, April 30, 2018
- Spank Out Day 2018 is observed on Monday, April 30, 2018