April 2027 Holidays

April 2027 Monthly Holidays

Adopt A Ferret Month
Adopt A Horse Month (4/26 - 5/31)
Adopt A Greyhound Month
Atlanta Food & Wine Month
Arab American Heritage Month Link
ASPCA Month  Link  Link
Alcohol Awareness Month
Amateur Radio Month
April is Azalea Month
Autism Acceptance Month  Link
Autism Awareness Month Link
Beaver Awareness Month
Car Care Month
Celebrate Diversity Month
Child Abuse Prevention Month
(International) Cesarean Awareness Month
Community Spirit Days (1-30)
Confederate History Month
Congenital Diaphragmatic Hernia Action Month Link
Couple Appreciation Month
D.E.A.R. (Drop Everything And Read) Month
Defeat Diabetes Month
Distracted Driving Awareness Month Link
Dog Poop Awareness Month Link
Emotional Overeating Awareness Month
Fair Housing Month Link
Financial Literacy Month Link
Fresh Florida Tomatoes Month
Genocide and Human Rights Awareness Month  Link
Global Astronomy Month
Global Child Nutrition Month Link
Global Volunteer Month
Global Youth Services Month Link
Grange Month Link  Link
Head and Neck Cancer Awareness Month Link
Holy Humor Month
Home Improvement Time (April-Sept.30)
Honor Society Awareness Month (Different Sponsor Than March)
Informed Women Month
International Black Women's History Month Link
International Customer Loyalty Month
International Guitar Month Link
International Humor Month
International Twit Award Month
IBS (Irritable Bowel Syndrome) Month Link
Jazz Appreciation Month
Keep America Beautiful 
Library Snapshot Month
Mathematics and Statistics Awareness Month Link 
Medical Cannabis Education and Awareness Month
Month of the Military Child Link
Month of the Young Child
Move More In April  Link
National 9-1-1 Education Month
National African American Women's Fitness Month
National Arab-American Heritage Month
National Cancer Control Month  Link
National Child Abuse Prevention Month
National Card and Letter Writing Month
National Decorating Month
National Exchange Club - Child Abuse Prevention Month
National DNA & Genomics & Stem Cell Education & Awareness Month Link
National Donate Life Month
National Facial Protection Month Link
National Frog Month  Link
National Grilled Cheese Sandwich Month 
National Garden Month Link
National Heartworm Awareness Month Link
National Humor Month
National Kite Month Link
National Knuckles Down Month
National Landscape Architecture Month
National Lawn Care Month
National Licorice Month
National Minority Health Month Link
National Multiple Birth Awareness Month Link
National Occupational Health Professionals Recognition Month Link
National Occupational Therapy Month
National Parkinson's Awareness Month Link 
National Pecan Month Link
National Pest Management Month
National Pet Month Link Link
National Pickleball Month
National Poetry Month Link
National Rebuilding Month
National Safe Digging Month Link
National Sarcoidosis Awareness Month Link 
Nationally Sexually Transmitted Diseases (STDs) Month
National Sexual Assault Awareness & Prevention Month  (SAAM) Link
National Social Security Month 
National Toddler Immunization Month Link
National Youth Sports Safety Month
Occupational Therapy Month Link
Oral,Head and Neck Cancer Awareness Month Link
Pharmacists War on Diabetes Month
Pet First Aid Awareness Month
Physical Wellness Month
Prevent Lyme in Dogs Month Link
Prevention of Animal Cruelty Month  Link  Link
Rosacea Awareness Month
School Library Month
Second Chance Month
Sjogren's Awareness Month  Link
Soy Foods Month
Straw Hat Month
Stress Awareness Month  Link
Testicular Cancer Awareness Month
Tulip Month
Women's Eye Health & Safety Month
Workplace Conflict Awareness Month
World Autism Awareness Month  Link
World Habitat Awareness Month
World Landscape Architecture Month Link
Worldwide Bereaved Spouses Awareness Month
Youth Sports Safety Month

April 2027 Weekly Holiday
(Full Week = Sunday to Saturday)
So if a previous month is part of the first week of this
month, it's not a "full week" for this month. The next week is.)

*APAWS Pooper Scooper  Week: 1-7
*Golden Rule Week: 1-7
*Laugh at Work Week: 1-7
*Medication Safety Week: 1-7
Mule Days: 1-3 (Columbia, TN) 
*Testicular Cancer Awareness Week: 1-7 (aka Get A Grip Day!)  Link
National Robotics Week: 3-11 Link
World Axe and Knife Throwing Championships: 3-6 Link
*Hate Week: 4-10
*National Dental Hygienest Week: 4-10 Link Link
Bat Appreciation Week: 4-10 (First Full Week)
National Property & Evidence Professionals Awareness Week: 4-10  Link (First Week)
Oral, Head and Neck Cancer Awareness Week: 4-10  Link (First Week)
National Occupational Health Nursing Week: 4-10   Link
National Public Health Week: 4-10  (First Full Week)
National Window Safety Week: 4-10  (First Full Week)
Craft Brewers Week: 5-7 Link
International Dark Sky Week: 5-11 Link
National Assistant Principal's Week: 5-9 Link
Explore Your Career Options Week: 7-14 (Wed. to Wed.)
The Masters Tournament: 8-11
Week of The Young Child: 10-16  Link
*Black Maternal Health Week: 11-17
Animal Control Officer Appreciation Week: 11-17 Link (2nd Full Week)
National Dog Bite Prevention Week: 11-17 Link (2nd Week) (For Post Office, It's in June)
National Public Safety Telecommunicators (911 Operators) Week: 11-17 (Always 2nd Full Week in April)
National Blue Ribbon Week: 11-17 (Child Abuse)
National Library Week: 11-17 Link
Pan American Week: 11-17 (Always includes the 14th)
National Student Employment Week: 12-16  (Always the 2nd Full Week)  Link
Osteopathic Medicine Week: 12-18 Link
World Water Week: 13-14  Link
International Wildlife Film Week: 17-22 Link
National Park Week: 17-25 Link (Always has John Muir Birthday (21) and Earth Day (22) in it.) [Nine days beginning on a Saturday]
*National Pet ID Week: 17-23 (Always begins on 17th. Goes 7 days) Link  Link
*Cleaning For A Reason Week: 18-24
*Consumer Awareness Week: 18-23
*Police Officers Who Gave Their Lives In The Line of Duty Week: 18-23
Animal Cruelty/Human Violence Awareness Week: 18-24  Link (3rd Week)
Chemists Celebrate Earth Week: 18-24  (Always includes Earth Day 4/22)
Disability Book Week: 18-24 Link (Last Full Week in April)
Medical Laboratory Professionals Week: 18-24 (3rd Full Week) Link
National Coin Week: 18-24 (3rd Full Week)
National Crime Victims Rights Week: 18-24 Link
National Infertility Awareness Week:18-24 Link
National Paperboard Packaging Week: 18-24 (Always includes Earth Day 4/22)
National Work Zone Safety Awareness Week: 18-24 Link Link Link Link
Numismatic Week ( National Coin Week): 18-24  Link (3rd Full Week)
Transplant Nurses Week: 18-24 Link
Health Information Professionals Week: 19-23  Link
National Youth Violence Prevention Week: 19-23 Link
Undergraduate Research Week: 19-23 Link
Festival of Ridvan: 21-5/2 (12 days)
American Quilters Society Week: 21-24  Link
Pesach or Passover: 21-29
Fiddler's Frolic: 23-25 Link
Global Youth Service Days: 23-25 (3rd Weekend)  Link
National Dream Hotline:  24-25 (Last Weekend)
*National Scoop The Poop Week: 24-30
*World Immunization Week: 24-30
Administrative Professionals Week: 25-5/1 (Last Full Week)
Fibroid Awareness Week: 25-5/1  (Always 4th  Week)
National & Global Youth Service Days: 25-26 (Last Weekend)
Interstate Mullet Toss:  25-26  (Last Full Weekend)
National Apprenticeship Week: 25-5/1 Link (Now Weekly, Not Daily)
National Karaoke Week: 25-5/1 (Last Full Week)
National Small Business Week: 25-5/1
Preservation Week: 25-5/1 Link (re: Libraries)
National Volunteer Week: 25-5/1 Link  (Last Week)
National Pediatric Transplant Week: 25-5/1 (Last Full Week)
National Princess Week: 25-5/1  (Always Last Full Week)  Link (World Princess Week is in August.)
Sky Awareness Week: 25-5/1 (Last Full Week)
Stewardship Week: 25-5/2 (Last Sunday in April to First Sunday in May)
National Infant Immunization Week (NIIW): 26-5/2  Link
Financial Practice Week: 26-30 (Last M-F Full Week)
National Playground Safety Week: 26-30 (Last M-F week) Link
Patient Experience Week: 26-30  Link (Last M-F Week)
International Mariachi Week: 28-5/2  Link
American Crossword Puzzle Days: 30-5/2  Link
Barbed Wire Days: 30-5/2 Link  Link (Last Weekend)

April 2027 Daily Holiday

*April Fools  or All Fools Day: 1
*Apple Computer Founders Day: 1
*Boomer Bonus Days: 1
*International Energy Drink Day: 1  Link (Red Bull)
*International Tatting Day: 1 Link
*Library Snap Shot Day: 1
*Myles Day: 1
National Burrito Day: 1 (First Thursday)
National Employee Benefits Day: 1 Link (First Thursday)
*National Fun Day: 1
National Fun at Work Day: 1 (Always on the 1st, or the following Thurs. if 1st falls on the weekend. Part of Laugh At Work Week.)
*Reading is Funny Day: 1
*St. Stupid Day: 1 Link
*Take Down Tobacco Day: 1 Link  (Formerly Kick Butts Day)
*US Air force Academy Day: 1

 

 Hospital Admitting Clerks Day: 2 (First Friday)
*International Children's Book Day: 2
International Kids Yoga Day: 2 (First Friday unless it falls on Good Friday. Then it's on the 2nd Friday.)
*National Ferret Day: 2 Link
*National Love Your Produce Manager Day: 2
*National Peanut Butter and Jelly Day: 2 Link
*Nickelodeon Day: 2
*Pharmacists in Public Health Day: 2
*Reconciliation Day: 2
*World Autism Day: 2 Link
*World Autism Awareness Day: 2 Link
 

 
*Don't Go To Work Unless It's Fun Day: 3  Link  (Author of book started holiday)
Every Day is Tag Day: 3 Link (First Saturday)
*Fan Dance Day: 3
*Find A Rainbow Day: 3 (Some also call it "Share A Rainbow Day.")
Frozen Dead Guy Day: 3 Link
International Pillow Fight Day: 3 (First Saturday)
*National Film Score Day: 3 Link
National Hand Made Day:  3  Link  (First Saturday)
National Hockey Card Day: 3 Link (First Saturday)
National Love Our Children Day: 3 (First Saturday)
National Play Outside Day:  3 Link (First Saturday)
Slow Art Day: 3 Link  (First Saturday)
Tangible Karma Day: 3 (First Saturday)
*Pony Express Day: 3
*Tweed Day: 3
*Weed Out Hate Day: 3
*World Party Day: 3  Link (Created by Author of book)

 

 
Geologists Day: 4 Link (First Sunday)
*International Day for Mine Awareness& Assistance in Mine Action: 4
*Jeep 4x4 Day: 4  Link
*Victims of Violence Wholly Day: 4
*Vitamin C Day: 4
*World Rat Day: 4 Link

 

*Dandelion Day: 5
*Gold Star Spouses Day: 5
*Go For Broke Day: 5  Link
National IEP Writing Day: 5 (First Monday)
*International Day of Conscience: 5
*National Deep Dish Pizza Day: 5 Link
*National Flash Drive Day: 5 
Qingming Festival: 5  Link (15 days after the Spring Equinox)
*Read A Road Map Day: 5  Link
Tater Day (It's Sweet Potatoes) : 5 Link (First Monday in April) Note: Not the same as the Yambilee Festival in October.

*Army Day: 6 Link
*Charlie the Tuna Day or Sorry Charlie Day: 6 Link
*Drowsy Driver Awareness Day: 6
*Hostess Twinkie Day: 6  Link
*International Day of Sport for Development and Peace: 6 Link
*National Library Day: 6
National Sexual Assault Awareness Day of Action (SAAM) : 6 Link  (First Tuesday)
*National Student Athlete Day: 6  Link
*New Beers Eve: 6 Link
*Tartan Day: 6 Link  Link (Also July 1)
*Teflon Day: 6
*The Church of Jesus Christ of Latter-Day Saints Day: 6
*Twinkies Day: 6
*World Physical Activity Day: 6  Link

 
Childhelp National Day of Hope: 7 (First Wednesday)
*Day of Remembrance of the Victims of the Rwanda Genocide: 7 Link
*International Beaver Day: 7 Link  Link
*International Day of Reflection on The 1994 Genocide Against The Tutsi in Rwanda: 7
*International Snailpapers Day: 7
*Metric System Day: 7
*National Beer Day: 7 Link Link
*National Girl Me Too Day: 7  Link
*National Handmade Day: 7  Link
*National Making The First Move Day: 7
National Walking Day: 7 Link  (First Wednesday)
Paraprofessional Appreciation Day: 7 (First Wednesday)
*No Housework Day: 7 Link
*World Health Day (UN): 7
*World Health Organization Day: 7 Link

 
*D.A.R.E. Day: 8 Link
*Draw A Bird Day: 8  Link
*International Roma Day: 8
National Alcohol Screening Day: 8 (Thursday of first full week) 
*National Dog Fighting Awareness Day: 8
*Trading Cards for Grown-ups Day: 8 Link

*Appomattox Day: 9 Link
*Jenkins Ear Day: 9
*Jumbo Day: 9  (Elephant came to US and created the word for big in our language.)
*National Cherish An Antique Day: 9
National Day of (No) Silence: 9 Link (Friday of first whole week)
National Donate Life (Blue and Green) Day: 9 Link (2nd Friday)
*National Former Prisoner of War Recognition Day: 9
*National Unicorn Day: 9 Link (Note: This is in Scotland, but it's become popular worldwide.)
*Winston Churchill Day: 9

 

*ASPCA (American Society for the Prevention of Cruelty to Animals) Day: 10  Link
Baby Massage Day: 10 Link (Always Second Saturday)
Bring Your Own Cup Day: 10 Link (7-11 Slurpees) (Second Saturday)
National Catch and Release Day: 10 (Second Saturday)
*National Farm Animals Day: 10
*National Siblings Day: 10 Link  Link Link
Record Store Day: 10 (Second Saturday)
World Circus Day: 10 (Second Saturday)
*Salvation Army Founder's Day: 10
*Safety Pin Day: 10



*Barbershop Quartet Day: 11
*8-track Tape Day: 11  Link
Global Day to End Child Sexual Abuse: 11 Link (Second Sunday)
*International "Louie Louie" Day: 11
*National Cheese Fondue Day: 11  Link
*National Clean Up Your Pantry Day: 11
*National Pet Day: 11 Link
*National Ranch Water Day: 11 Link 
*National Teach Children To Save Day: 11
*Submarine Day: 11 Link
*World Parkinson's Disease Day: 11 Link

*Belmont-Paul Women's Equality Monument Day: 12   Link
*Big Wind Day: 12  Link
*International Day of Human Space Flight: 12
*International Day for Street Children: 12 Link  (Note: Different than one on Jan. 31)
*National D.E.A.R. Day (Drop Everything And Read): 12
*National For Twelves Day: 12 Link (Fans are considered the 12th Player by the team.)
*National Licorice Day: 12 Link
*National Only Child Day: 12
*Radiology Nurses Day: 12 Link
Right To Read Day: 12 (Monday of Library Week)
*Walk on Your Wild Side Day: 12 Link
*Yuri's Night: 12

Identity Management Day: 13 Link (Second Tuesday)
*International Plant Appreciation Day: 13 Link (Houseplant Appreciation Day is January 10)
*Make Lunch Count Day: 13 (TGI Fridays)
National Be Kind To Lawyers Day: 13 (Second Tuesday)
*National Borinqueneers Day: 13 Link
National Library Day: 13 Link (Tuesday of Library Week) Link
National Library Workers Day: 13 (Tuesday of Library Week) Link
*Scrabble Day: 13
*Sterile Packaging Day: 13
*Thomas Jefferson Day: 13
World Watergun Fight Festival (Songkran): 13-15  Link (Annually around 13th)

 

*Children with Alopecia Day: 14
International Day of Pink: 14 Link  Link (Second Wednesday)
*International Moment of Laughter Day: 14
National Bookmobile Day: 14 Link (Wednesday of Library Week) Link
*National Dolphin Day: 14
*National Ex-Spouse Day: 14  Link
*National Gardening Day: 14 Link
National Library Outreach Day: 14 (Wednesday of Library Week) Link
*National Pecan Day: 14 Link
*National Perfume Day: 14 Link (Note: National Fragrance Day is in March)
*Pan American Day: 14
*Pathologists' Assistant Day: 14 Link
RAINN Day (Rape Abuse Incest National Network): 14 Link (Second Wednesday)
*Tannat Day: 14 Link
*Vaisakhi: 14 (Sikh New Year)
*World Chagas Day: 14

 

*Botox Day: 15
Celebrate Teen Literature Day: 15 (Always Thurs. of Library Week) Link
Get to Know Your Customers Day: 15 (January 21,April 15,July 15 and October 21 = 3rd Thurs. of Each Quarter)
High Five Day: 15 Link  (Third Thursday)
Income Tax Pay Day: 15 
*Jackie Robinson Day: 15 Link
*McDonald's Day: 15
National Ask An Atheist Day: 15 Link  (Third Thursday) 
*National ASL Day (American Sign Language): 15  Link
*National Baseball Day: 15 Link Link
National D.A.R.E. Day: 15 Link (Third Thursday)
*Purple Up! Day: 15 Link
*Rubber Eraser Day: 15  Link
Take Action For Libraries Day: 15 (Thursday of Library Week) Link
*Take a Wild Guess Day: 15
*That Sucks Day: 15
*World Art Day: 15 (DaVinci's Birthday)  Link

*Blue Umbrella Day: 16 Link
*Emancipation Day: 16 (DC holiday that affects Tax Day) Link
*Foursquare Day: 16  Link
*National Bean Counter Day: 16  Link
National Clean Out Your Medicine Cabinet Day: 16 Link (Third Friday)
*National Health Care Decisions Day: 16 Link
*National Orchid Day: 16 Link
*Save The Elephant Day: 16
National Stress Awareness Day: 16 (First Workday After Income Taxes Are Due)
*World Voice Day: 16 

Auctioneers Day: 17 (Third Saturday)
*Bat Appreciation Day: 17 (Emerge from Hibernation)
*Blah! Blah! Blah! Day: 17 Link
*Ellis Island Family History Day: 17
*Ford Mustang Day: 17
*Herbalist Day: 17
Husband Appreciation Day: 17 (Third Saturday)  Link Link Link
International Raw Milk Cheese Appreciation Day: 17 (Third Saturday)
*International Haiku Poetry Day: 17 Link
Just Pray No!: 17-18 (Third Weekend)
*Malbec World Day: 17  Link
*National Crawfish Day: 17 Link
*Nothing Like A Dame Day: 17
Record Store Day: 17 Link (Third Saturday)
World Circus Day: 17 (Third Saturday)
*World Hemophilia Day: 17  Link

*Adult Autism Day: 18
Dictionary Day:18 (Sunday of Library Week. Different than one in October.) Link
*International Day for Monuments and Sites: 18  Link
*Nabisco Animal Cracker Day: 18 Link
*National Columnists' Day:  18 Link   (Note: The one in June started by Jim Six is cancelled.)
National Education and Sharing Day: 18 Link  (11th day of the Month of Nissan)
*National Lineman Appreciation Day: 18 Link Link Link Link Link
*Pet Owners Independence Day: 18  Link 
*Pinata Day: 18 
*World Amateur Radio Day: 18 Link

*Bicycle Day: 19 Link
Boston Marathon (130th) : 19 (Third Monday)
*Congenital Diaphragmatic Hernia Action Day: 19  Link
*John Parker Day: 19
*National Garlic Day: 19
*National Hanging Out Day: 19
*National Poker Day: 19  Link
*Oklahoma City Bombing Commemoration Day: 19

*4/20 Day: 20
*Chinese Language Day: 20 Link
*International Cli-Fi Day: 20
*National Cheddar Fries Day: 20 Link
*National Pot Smokers Day or National Weed Day: 20 Link  Link

 Administrative Professionals Day or Secretary's Day: 21 (Wednesday of Last Full Week) Link  Link Link
Banana Day: 21 Link (Third Wednesday)
*Bulldogs are Beautiful Day: 21  Link  Link
*International Hemp Day: 21 Link
*Kindergarten Day: 21
*National Chocolate-Covered Cashews Day: 21 Link
*National Pet CBD Day: 21 Link
*National Surprise Drug Test Day: 21 Link (Follows National Pot Smokers Day 4/20)
*National Rendering Day: 21 Link
*National Yellow Bat Day: 21  Link
Pesach: 21
*World Creativity and Innovation Day: 21

 

*Beagle Day: 22  Link  Link
*Chemists Celebrate The Earth Day: 22
*Earth Day: 22
*Girl Scout Leaders Day: 22
*Global Selfie Earth Day (NASA): 22 Link
*"In God We Trust Day" Day: 22 (coins)
International Girls in Information and Telecommunication Technologies Day: 22 (Fourth Thursday)
*International Mother Earth Day: 22
*National Jelly Bean Day: 22 Link
*National Teach Children To Save Day: 22
Take Your Daughters & Sons to Work Day: 22 Link ( Fourth Thursday)




*Content Creator Day: 23
*English Language Day: 23 Link
*English Muffin Day: 23
*Impossible Astronaut Day: 23 Link and Link (Dr. Who)
*Movie Theatre Day: 23
*National Lost Dog Awareness Day: 23 Link  Link
*Spanish Language Day: 23 Link
*Talk Like Shakespeare Day: 23
*World Book & Copyright Day: 23  Link
*World Book Night: 23  Link

 
*Armenian Genocide Remembrance Day: 24 Link
Bob Wills Day: 24 Link  (Last Saturday)
Celebrate Trails Day: 24 Link (Fourth Saturday)
Eeyore's Birthday Day: 24 (Last Saturday) Link
Grilled Cheese Sandwich Day: 24 Link (Last Saturday)
Independent Bookstore Day: 24 (Last Saturday)
International Marconi Day: 24 Link (Saturday closest to 4/25 Marconi's Birthday)
International Sculpture Day: 24 Link  (Last Saturday)
National Dance Day: 24 (Fourth Saturday)
National Drone Safety Awareness Day: 24 Link (Last Saturday)
National Drug Take Back Day: 24 Link (Fourth Saturday)
National Go Birding Day: 24 (Last Saturday)
National Herb Day: 24 (Last Saturday)
National Pool Opening Day: 24 Link (Last Saturday)
National Rebuilding Day: 24 (Last Saturday)
National Sense of Smell Day: 24  Link (Last Saturday)
National Take Back Day: 24 Link  (DEA) (Last Saturday) Note: There's also one in October.
Pet Tech Pet CPR Day: 24 (Fourth Saturday)
*Sauvignon Blanc Day: 24  Link (Note: International Sauvignon Blanc Day  May 6)
*St. Mark's Eve: 24 Link
Time Warp Days: 24 Link (Fourth Saturday)
World Healing Day: 24 Link (Last Saturday)  Note: Different than one on Dec. 31.
*World Day for Animals in Laboratories: 24 Link
World Tai Chi & Qigong Day: 24 Link  (Last Saturday)
World Veterinary Day: 24 (Last Saturday)

 

Blue Sunday: 25 Link (Last Sunday)
Deaf Parents Day: 25 (Last Sunday)
*Cheryl Fraser's Day aka The Perfect Date: 25 Link (Miss Congeniality)
*DNA Day: 25 Link
*East Meets West Day (aka Elbe Day): 25  Link
*Hairstylists Appreciation Day: 25 Link  Link Link Link Link

*Hug A Plumber Day or Plumbers Day: 25 Link Link Link Link Link Link Link
*International Delegate's Day: 25
*International Procurement Day: 25 Link
*License Plates Day: 25
*Malaria Awareness Day: 25  Link
*National Mani-pedi Day: 25 
*Parental Alienation Day: 25 Link
Pet CPR Day: 25 (Last Sunday) Link
Pinhole Photography Day: 25 Link  (Always Last Sunday)
*Red Hat Society Day: 25  Link  Note: This is the official day every year. Various chapters will have their own birthday celebrations as well on different dates.
Spring Astronomy Day: 25 Link
*World Penguin Day: 25 Link


*Alien Day: 26  Link Link
*Audubon Day: 26 Link
*Hug An Australian Day: 26 Link
*International Chernobyl Disaster Remembrance Day: 26
*International Viognier Day: 26 Link
*Lesbian Visibility Day: 26  Link
*National Dissertation Day: 26  Link
*National Help A Horse Day: 26
National Pet Parent's Day: 26 (Last Sunday) Link Link
*National Pretzel Day: 26  Link
*Richter Scale Day: 26
*World Intellectual Property Day: 26 Link
*World Pilots' Day: 26  Link


*Babe Ruth Day: 27 
*Matanzas Mule Day: 27
*Morse Code Day: 27 (Some also observe on May 24)
*National Gummi Bear Day: 27  Link
*National Little Pampered Dog Day: 27  Link  Link
*National Teach Your Children To Save Day: 27
Poetry & The Creative Mind Day: 27?  Link
School Bus Driver Appreciation Day: 27 Link  Link (Fourth Tuesday)
*World Marselan Day: 27 Link
*World Tapir Day: 27 Link



Administrative Professionals Day or Secretary's Day: 28  Link (Last Wednesday) Link Link
Denim Day: 28 (Last Wednesday) Link
*Biological Clock Day: 28
International Guide Dogs Day: 28 Link (Last Wednesday)
International Noise Awareness Day: 28 Link (Last Wednesday)
Stop Food Waste Day: 28 Link (Last Wednesday)
Walk at Lunch Day: 28 Link (Last Wednesday)
*National Brave Hearts Day: 28  Link
*National Superhero Day: 28  Link
*Save The Frogs Day: 28  Link
*Workers Memorial Day: 28
*World Day for Safety and Health at Work: 28 Link


*International  Almanac Appreciation Day: 29
*International Dance Day: 29 Link
*International Undiganosed Day: 29  Link
* "Peace" Rose Day: 29  (The flower)
*World Wish Day: 29 Link
*Zipper Day: 29


*Adopt A Shelter Pet Day: 30 Link  Link
Arbor Day: 30 (Last Friday)
*Animal Advocacy Day: 30
*Beltane: 30
*Bugs Bunny Day: 30
*Dia De Los Ninos/Dia De Los Libros Day: 30
*International Jazz Day: 30 Link   (Note: There's another one on May 27. Different organization.)
*National Animal Advocacy Day: 30
*National Bubble Tea Day: 30  Link
*National First Ladies Day: 30 Link
National Hairball Awareness Day: 30 (Always Last Friday)
National Historic Marker Day: 30 Link (Last Friday)
*National Honesty Day: 30
*National Mahjong Day: 30  Link
*National Military Brats Day: 30  Link
*National PrepareAthon Day: 30 Link
*National Raisin Day: 30
*Poem In Your Pocket Day: 30 Link
*Spank Out Day - USA: 30
Undiagnosed Children's Awareness Day: 30 Link (Always Last Friday)
*Walpurgis Night: 30