May Holidays

In looking at the May Holidays listing, a couple of the most popular Holidays in May are Mother's Day and Memorial Day.  Looking down the  list below, especially in the Daily Holidays section, there are a lot of Military Holidays that fall in the month of May.


Holidays and Observances May Holidays - pictured is our Mom.

Our Mom, Thelma Smith, at Leigh's son, Ryan's wedding on 07-27-07 at the Catalina Country Club on Catalina Island. She has been a great Mom, and we look forward to celebrating many more Mother's Day's in her honor!


Below you will find our listing of May Holidays and Observances that fall in the month of May. 

NOTE:

  1. A page on each holiday will be coming soon and linked below.
  2. If a date is a movable holiday, that is different every year, we'll include the year as well as the date rule below. Otherwise, the holiday falls on the same date each year. 
  3. If we have made an error, have any incorrect dates, or have left off any Holidays, Observances, or Awareness Days etc, please let us know! Contact Us!


Annual Holidays and Observances
United Nations International Years

Each year, the United Nations chooses a few different topics, or themes that they want all the Countries around the World to focus on. 

In 2024, these are:

  • International Year of Camelids

In 2022, these are:

  • International Year of Artisanal Fisheries and Aquaculture

In 2019, these are:

  • International Year of Indigenous Languages
  • International Year of Moderation
  • International Year of the Periodic Table of Chemical Elements 

In 2017, these are:

  • International Year of Sustainable Tourism for Development

In 2016, these are:

  • International Year of Pulses

In 2015, these are:

  • International Year of Light and Light-based Technologies
  • International Year of Soils

In 2014, these are:

  • International Year of Crystallography
  • International Year of Family Farming
  • International Year of Small Island Developing States
  • International Year of Solidarity with the Palestinian People

In 2013, these are:

  • International Year of Quinoa
  • International Year of Water Cooperation

In 2012, these are:

  • International Year of Cooperatives
  • International Year of Sustainable Energy for All.


Monthly Holidays and Observances


  • Arthritis Awareness Month
  • Asian American and Pacific Islander Heritage Month
  • Asthma Awareness Month
  • Awareness of Medical Orphans Month
  • Better Hearing and Speech Month
  • Better Sleep Month
  • Breath Easy Month
  • Chip Your Pet Month
  • Clean Air Month
  • Correct Posture Month
  • Digestive Diseases Awareness Month
  • Electromagnetic Radiation Awareness Month
  • Employee Health & Fitness Month
  • Family Wellness Month
  • Fibromyalgia Education and Awareness Month
  • Gardening for Wildlife Month
  • Get Caught Reading Month
  • Gifts from the Garden Month
  • Global Employee Health and Fitness Month
  • Haitian Heritage Month
  • Heal the Children Month
  • Healthy Vision Month/UV Safety
  • High Blood Pressure Awareness Month
  • Home Schooling Awareness Month
  • Huntington's Disease Awareness Month
  • International Business Image Improvement Month
  • International Civility Awareness Month
  • International Internal Audit Awareness Month
  • International Victorious Woman Month
  • Jewish American Heritage Month
  • Latino Books Month
  • Lupus Awareness Month
  • Melanoma / Skin Cancer Detection and Prevention Month
  • Mental Health Month
  • Motorcycle Safety Awareness Month
  • National Asparagus Month
  • National Allergy and Asthma Awareness Month
  • National Barbeque Month
  • National Bicycle Safety Month
  • National Celiac Disease Awareness Month
  • National Chocolate Custard Month
  • National Comfort Month
  • National Community Action Month
  • National Duckling Month
  • National Egg Month
  • National Family Month (May 13 - June 17)
  • National Foster Care Month
  • National Gazpacho Aficionado Month
  • National Good Car-Keeping Month
  • National Hamburger Month
  • National Hepatitis Awareness Month
  • National High Blood Pressure Education Month
  • National Inventors Month
  • National Kite Month - March 28 - May 3, 2016
  • National Meditation Month
  • National Mediterranean Diet Month
  • National Mental Health Month
  • National Military Appreciation Month
  • National Moving Month
  • National Osteoporosis Awareness and Prevention Month
  • National Pet Month
  • National Photo Month
  • National Physical Fitness and Sports Month
  • National Preservation Month
  • National Salad Month
  • National Salsa Month
  • National Service Dog Eye Examination Month
  • National Smile Month
  • National Strawberry Month
  • National Stroke Awareness Month
  • National Sweet Vidalia Onion Month
  • National Teen Pregnancy Prevention Month
  • National Toxic Encephalopathy and Chemical Injury Awareness Month
  • National Tuberous Scierosis Awareness Month
  • National Vinegar Month
  • National Youth Traffic Safety Month
  • Neurofibromatosis Month
  • Older Americans Month
  • Personal History Awareness Month
  • Prepare Tomorrow's Parents Month - May 13 - June 17, 2018 (From Mother's Day to Father's Day)
  • REACT Month
  • Revise Your Work Schedule Month
  • Spiritual Literacy Month
  • Strike Out Strokes Month
  • Teen CEO Month
  • Tennis Month
  • Tourette Syndrome Awareness Month 
  • Trauma Awareness Month
  • Ultraviolet Awareness Month
  • Women's Health Care Month
  • Young Achievers / Leaders of Tomorrow Month


Weekly Holidays and Observances


  • Air Quality Awareness Week - April 30 - May 4, 2018
  • American Craft Beer Week - May 14-20, 2018
  • Armed Forces Week - May 12-20, 2018 (Second Saturday through Third Sunday in May)
  • Arson Awareness Week - May 6-12, 2018 (First Full Week in May)
  • Bats Day in the Fun Park - May 5-6, 2018
  • Be Kind to Animals Week - May 6-12, 2018 (First Full Week in May)
  • Black Single Parents Week - May 27 - June 2, 2018 
  • Cannes International Film Festival - May 9-20, 2018 in Cannes, France is the most prestigious and most publicized film festival in the World.
  • Choose Privacy Week - May 1-7
  • Collegiate Safe Spring Break Programming - Late February - Early April
  • Dating and Life Coach Recognition Week - May 6-12, 2018 (First Full Week in May)
  • Drinking Water Week - May 6-12, 2018 (First Full Week in May)
  • Emergency Medical Services Week (EMS) - May 20-26, 2018
  • Flexible Work Arrangement Week - May 6-12, 2018 (First Full Week in May) 
  • Food Allergy Awareness Week - May 13-19, 2018
  • Frog Jumping Jubilee Day (Calaveras County, CA) - May 17-20, 2018
  • Goodwill Industries Week - May 6-12, 2018 (First Full Week in May)
  • Great American Brass Band Week - May 31 - June 3, 2018
  • Healthy and Safe Swimming Week - May 21-26, 2018 (Week before Memorial Day Mon-Sat)
  • International Building Safety Week - May 6-12, 2018 (First Full Week in May)
  • International Clitoris Awareness Week - May 6-12, 2018 (First Full Week in May)
  • International Coaching Week - May 7-13, 2018
  • International Pickles Week - Third Week in May
  • Kids Win Week - May 6-12, 2018 (First Full Week in May)
  • Lag B'omer - Evening of May 2, 2018 to Evening of May 3, 2018
  • MCS Awareness Week or Multiple Chemical Sensitivity Awareness Week - (Second Week in May)
  • Medical Transcriptionist Week - May 13-19, 2018 (Third Week in May)
  • Mudbug Madness Days - May 26-28, 2018 (Memorial Day Weekend)
  • National African Violet Week - May 20-27, 2018
  • National Alcohol & Other Drug-Related Birth Defects Week - May 6-12, 2018 (First Full Week in May)
  • National Anxiety & Depression Awareness Week - May 6-12, 2018
  • National Backyard Games Week - May 21-28, 2018 (Week before Memorial Day)
  • National Bike to Work Week - May 14-18, 2018 (Third Full M-F Week in May) 
  • National Bike Week - Third week in May
  • National Charter Schools Week - May 6-12, 2018
  • National Children's Book Week - May 7-11, 2018
  • National Correctional Officer's Week - May 6-12, 2018 (First Full Week in May)
  • National Dance Week - April 23 - May 4, 2018
  • National Eosinophil Awareness Week - May 13-19, 2018 (Third Week in May)
  • National Etiquette Week - May 14-18, 2018 (Begins Second Monday of Full Week in May)
  • National Family Week - May 6-12, 2018 (First Full Week in May)
  • National Foul Ball Week - May 6-12
  • National Frozen Yogurt Week - Fourth week in May
  • National Hamburger Week - Second week in May
  • National Herb Week - May 6-12, 2018 (Week Prior to Mother's Day)
  • National Heritage Breeds Week - May 20-26, 2018 (Third Full Week in May)
  • National Historic Preservation Week - Second Week in May
  • National Hospital Week - May 6-12, 2018 (Second week in May)
  • National Hurricane Preparedness Week - May 20-26, 2018
  • National Library Legislative Day - May 7-8, 2018
  • National Medical Transcription Week - May 13-19, 2018 (Third Week in May)
  • National Morel Mushroom Festival - May 17-20, 2018 (Weekend after Mother's Day)
  • National Neuropathy Awareness Week - May 6-12, 2018
  • National New Friends, Old Friends - May 20-26, 2018 (Third Week in May)
  • National Nurses Week - May 6-12
  • National Nursing Home Week - May 13-20, 2018 (Starts on Mother's Day to Following Saturday)
  • National Pet Week - May 6-12, 2018 (First Full Week in May)
  • National Physical Education and Sports Week - May 1-7 (First Week in May)
  • National Police Week - May 13-19, 2018 (Second Full Week in May)
  • National Polka Weekend - May 25-27, 2018 (Memorial Day Weekend)
  • National Postcard Week - May 6-12, 2018 (First Full Week in May)
  • National Raisin Week - May 6-12, 2018 (First Full Week in May)
  • National Return to Work Week - May 13-19, 2018
  • National Safe Boating Week - May 19-25, 2018 (Week Before Memorial Day)
  • National Safety Stand Down Week - May 7-13, 2018
  • National Small Business Week - April 29 - May 5, 2018
  • National Stationary Week - May 20-23, 2018
  • National Stuttering Awareness Week - May 14-20, 2018 (Second Full Week in May)
  • National Tire Safety Week - May 26 - June 2, 2018 (Starts Memorial Day Weekend)
  • National Tourism Week - May 6-12, 2018 (First Full Week in May)
  • National Transportation Week - May 13-19, 2018 (Always has Third Friday in May)
  • National Travel & Tourism Week - Second week in May
  • National Unicycle Week - May 20-26, 2018 (Begins on Third Sunday in May)
  • National Vegetarian Awareness Week - May 14-20, 2018
  • National Wildflower Week - May 6-12, 2018
  • National Women's Health Week - May 13-19, 2018
  • Neuropathy Awareness Week - May 6-12, 2018
  • North American Occupational Safety and Health Week (NAOSH) - May 6-12, 2018 (First Full Week in May)
  • Older Americans Mental Health Week - May 20-26, 2018 (Last Full Week in May) 
  • Public Service Recognition Week - May 6-12, 2018 (First Full Week in May)
  • Puppy Mill Action Week - May 7-13, 2018 (Begins the Monday before Mother's Day)
  • Ramadan - Evening of May 15, 2018 to Evening of June 14, 2018 (Dates may vary depending on location) - (Muslim Holiday)
  • Reading is Fun Week - May 13-19, 2018 (Second Full Week in May)
  • Root Canal Appreciation Week - May 6-12, 2018
  • Salute to Moms 35+ Week - May 13-19, 2018 (Starts on Mother's Day)
  • Salvation Army Week - May 13-19, 2018 (Second Week in May)
  • Schizophrenia Awareness Week - May 20-27, 2018
  • Screen-Free Week (Digital Detox Week - Formerly TV Turnoff Week) - April 30 - May 6, 2018
  • Shavuot - Evening of May 19, 2018 - Evening of May 20, 2018 (Jewish Holiday)
  • Teacher Appreciation Week - May 7-11, 2018 (First Full Week in May)
  • The Biggest Week in American Birding - May 4-13, 2018
  • Time of Remembrance and Reconciliation for those who Lost their Lives during the Second World War - May 8-9
  • Universal Family Week - May 10-16
  • Update Your References Week - May 6-12, 2018
  • Vivid Sydney - May 25 - June 16, 2018
  • Week of Solidarity with the Peoples of Non Self-Governing Territories - May 25-31
  • Week of the Classroom Teacher - First full week in May
  • Work at Home Mom's Week - May 13-19, 2018
  • World Cocktail Week - May 6-13
  • World Dystonia Awareness Week - April 28 - May 5, 2018
  • World Migratory Bird Day - May 12-13, 2018 (Second Weekend in May)
  • World Trade Week - May 20-26, 2018 (Third Week in May)

Daily Holidays and Observances


  • Batman Day - May 1
  • Beltane - May 1
  • Childhood Depression Awareness Day - May 1, 2018 (First Tuesday in May)
  • Foster Care Day - May 1, 2018 (First Tuesday in May)
  • Global Love Day - May 1
  • International Sunflower Guerilla Gardening Day - May 1
  • International Worker's Day - May 1
  • Law Day - May 1
  • Lei Day - May 1 (U.S. State of Hawaii)
  • Loyalty Day - May 1
  • May Day - May 1
  • National Chocolate Parfait Day - May 1
  • National Purebred Dog Day - May 1
  • Save the Rhino Day - May 1
  • Silver Star Service Banner Day - May 1
  • World Asthma Day - May 1, 2018 (First Tuesday in May)
  • Give Local America - May 2, 2017 (2018 TBA)
  • Great American Grump Out - May 2, 2018 (First Wednesday of May)
  • National Day to Prevent Teen and Unplanned Pregnancy - May 2, 2018 (First Wednesday in May)
  • National (Deaf) Interpreter Day - May 2, 2018 (First Wednesday in May)
  • National Truffles Day - May 2
  • Project Aces Day - May 2, 2018 (First Wednesday in May) (Aces = All Children Exercise Simultaneously)
  • World Tuna Day - May 2
  • Garden Meditation Day - May 3
  • International Day Against DRM - May 3, 2018
  • National Day of Prayer - May 3, 2018 (First Thursday in May)
  • National Day of Reason - May 3, 2018 (First Thursday in May) - Set up in 2003 by Humanists/Atheists on the same day as the National Day of Prayer for a secular alternative
  • National Lumpy Rug Day - May 3
  • National Public Radio Day - May 3
  • National Raspberry  Popover Day - May 3
  • National Specially-abled Pets Day - May 3
  • National Two Different Colored Shoes Day - May 3
  • Paranormal Day - May 3
  • Sun Day - May 3
  • World Password Day - May 3, 2018 (First Thursday in May)
  • World Press Freedom Day - May 3
  • Anti-Bullying Day - May 4
  • Bird Day - May 4
  • Dave Brubeck Day (Jazz Pianist and Composer) - May 4
  • Intergalactic Star Wars Day - May 4
  • International Firefighter's Day - May 4
  • International Respect for Chickens Day - May 4
  • International Space Day - May 4, 2018 (First Friday in May)
  • Kent State Shootings Remembrance - May 4 (Local Observance in Ohio)
  • National Candied Orange Peel Day - May 4
  • National Orange Juice Day - May 4
  • Petite and Proud Day - May 4
  • Renewal Day - May 4
  • Rhode Island Independence Day - May 4
  • School Lunch Hero Day - May 4, 2018 (First Friday in May)
  • Star Wars Day - May 4
  • Tuba Day - May 4, 2018 (First Friday in May)
  • World Give Day - May 4
  • Beer Pong Day - May 5, 2018 (First Saturday in May) 
  • Bladder Cancer Awareness Day - May 5, 2018 (First Saturday in May)
  • Bombshell's Day - May 5, 2018 (First Saturday in May)
  • Bonza Bottler Day - May 5
  • Cartoonists Day - May 5
  • Childhood Stroke Awareness Day - May 5
  • Cinco de Mayo - May 5
  • Europe Day (Council of Europe) - May 5
  • Free Comic Book Day - May 5, 2018 (First Saturday in May)
  • Hand Hygiene Day - May 5, 2018
  • International Midwives Day - May 5
  • Join Hands Day: Youth and Adults Volunteering Together - May 5, 2018 (First Saturday in May)
  • Kentucky Derby - May 5, 2018 (First Saturday in May)
  • Martin Z. Mollusk Day - May 5, 2018 (First Saturday in May)
  • National Chocolate Custard Day - May 5
  • National Explosive Ordinance Disposal (EOD) Day - May 5, 2018 (First Saturday of May)
  • National Herb Day - May 5, 2018 (First Saturday in May)
  • National Hoagie Day - May 5
  • National Homebrew Day - May 5, 2018 (First Saturday in May)
  • National Scrapbooking Day - May 5, 2018 (First Saturday in May)
  • Square Root Day - not until May 5, 2025
  • Start Seeing Monarchs Day - May 5, 2018 (First Saturday in May)
  • Totally Chipotle Day - May 5
  • World Beer Pong Day - May 5, 2018 (First Saturday in May)
  • World Naked Gardening Day - May 5, 2018 (First Saturday in May)
  • International Baby Lost Mother's Day - May 6, 2018 (First Sunday in May)
  • International Bereaved Mothers Day - May 6, 2018 (First Sunday in May)
  • International No Diet Day - May 6
  • Joseph Brackett Day - May 6
  • Lemonade Day - May 6, 2018 (First Sunday in May)
  • Mayday for Mutts - May 6, 2018 (First Sunday in May)
  • Motorcycle Mass and Blessings of the Bike - May 6, 2018 (First Sunday in May)
  • National Crepes Suzette Day - May 6
  • National Dandelion Day - May 6, 2018
  • National Infertility Survival Day - May 6, 2018 (First Sunday in May)
  • National Nurses Day, or National RN Recognition Day - May 6
  • National Wildfire Community Preparedness Day - May 6, 2018
  • No Diet Day - May 6, 2018
  • No Homework Day - May 6
  • Rural Life Sunday - May 6, 2018 (First Sunday in May)
  • World Laughter Day - May 6, 2018 (First Sunday in May)
  • Melanoma Monday - May 7, 2018 (First Monday in May)
  • National Barrier Awareness Day - May 7
  • National Roast Leg of Lamb Day - May 7
  • Free Trade Day - May 8
  • Iris Day - May 8
  • National Animal Disaster Preparedness Day - May 8
  • National Coconut Cream Pie Day - May 8
  • National Empanada Day - May 8
  • National Teachers Day - May 8, 2018 (Tuesday of the First Full Week in May)
  • No Socks Day - May 8
  • Primary Election Day in West Virginia - May 8, 2018 (Second Tuesday of May during even years)
  • Truman Day - May 8
  • V-E Day - May 8
  • White Lotus Day - May 8
  • World Ovarian Cancer Day - May 8
  • World Red Cross Day - May 8
  • Donate a Day's Wages to Charity - May 9, 2018 (Second Wednesday in May)
  • National Bike to School Day - May 9, 2018 (Second Wednesday in May)
  • National Moscato Day - May 9
  • National Night Shift Workers Day - May 9, 2018 (Second Wednesday in May)
  • National Receptionists Day - May 9, 2018 (Second Wednesday in May)
  • National School Nurse Day - May 9, 2018 (Wednesday of National Nurse Week which is always on May 6-12)
  • National Third Shift Workers Day - May 9, 2018 (Second Wednesday in May)
  • Occupational Safety & Health Day - May 9, 2018 (Wednesday of the First Full Week of May)
  • Occupational Safety and Health Professionals Day - May 9
  • Ascension Day (of Jesus) - May 10, 2018
  • Confederate Memorial Day - May 10, 2018 (States of North Carolina and South Carolina)
  • National Children's Mental Health Awareness Day - May 10, 2018
  • National Shrimp Day - May 10
  • World Lupus Day - May 10
  • Child Care Provider Day - May 11, 2018 (Friday before Mothers Day)
  • Eat What you Want Day - May 11
  • Fintastic Friday: Giving Sharks a Voice - May 11, 2018 (Second Friday in May)
  • Military Spouse Appreciation Day - May 11, 2018 
  • National Provider Appreciation Day - May 11, 2018 (Friday before Mother's Day)
  • Root Canal Appreciation Day - May 11
  • American Indian Day - May 12, 2018 (Second Saturday in May)
  • Bereaved Mother's Day - May 12, 2018 (Second Saturday in May)
  • Birthmother's Day - May 12, 2018 (Saturday before Mother's Day)
  • Cornelia de Lange Syndrome Awareness Day - (CdLS) May 12, 2018 (Second Saturday in May)
  • International Migratory Bird Day - May 12, 2018 (Second Saturday in May)
  • International Myalgic Encephalomyelitis / Chronic Fatigue Syndome Awareness Day - May 12
  • International Nurses Day - May 12
  • Letter Carrier's Stamp Out Hunger Food Drive Day - May 12, 2018
  • Limerick Day - May 12
  • Mother Ocean Day - May 12, 2018 (Saturday before Mother's Day)
  • National Archery Day - May 12, 2018 (Second Saturday in May)
  • National Babysitters Day - May 12, 2018 (Saturday before Mother's Day)
  • National Fibromyalgia Awareness Day - May 12
  • National Hospital Day - May 12
  • National Miniature Golf Day - May 12, 2018 (Second Saturday in May)
  • National Nutty Fudge Day - May 12
  • National Odometer Day - May 12 
  • National Train Day - May 12, 2018 (Held on the Saturday closest to May 10th)
  • National Windmill Day - May 12, 2018 (Second Saturday in May)
  • One Day Without Shoes Day - May 12, 2018
  • Stay Up All Night - May 12, 2018 (Second Saturday in May)
  • World Belly Dance Day - May 12, 2018 (Second Saturday in May)
  • World Fair Trade Day - May 12, 2018 (Second Saturday in May)
  • Armed Forces Day Military-Amateur Crossband Communications Day - May 13, 2018 
  • Children of Fallen Patriots Day - May 13 
  • Frog Jumping Day - May 13
  • IEEE Global Engineering the Future Day - May 13
  • International Hummus Day - May 13
  • Mother's At the Wall Day - May 13, 2018 (Always Mother's Day)
  • Mother's Day - May 13, 2018 (Second Sunday in May)
  • National Apple Pie Day - May 13
  • National Fruit Cocktail Day - May 13
  • World Cocktail Day - May 13
  • National Buttermilk Biscuit Day - May 14
  • National Chicken Dance Day - May 14
  • National Women's Check-up Day - May 14, 2018 (Monday following Mother's Day)
  • The Stars and Stripes Forever Day - May 14
  • Underground America Day - May 14
  • Dinosaur Day - May 15
  • Hyperemisis Gravidarum Awareness Day - May 15
  • International Conscientious Objector Day - May 15
  • International Day of Families - May 15
  • International Kangaroo Care Awareness Day - May 15
  • International MPS Awareness Day - May 15
  • National Chocolate Chip Day - May 15
  • National Nylon Stockings Day - May 15
  • Peace Officers Memorial Day - May 15
  • Straw Hat Day - May 15
  • TSC Global Awareness Day (Tuberous Sclerosis Complex) - May 15
  • Biographer's Day - May 16
  • International Pickle Day - May 16
  • Love a Tree Day - May 16
  • National Coquilles St. Jacques Day - May 16
  • National Employee Health and Fitness Day - May 16, 2018 (Third Wednesday in May)
  • National Sea Monkey Day - May 16
  • Nickel Day - May 16
  • Turn Beauty Inside Out Day - May 16, 2018
  • Wear Purple for Peace Day - May 16
  • International Child Helpline Day - May 17
  • International Day Against Homophobia and Transphobia - May 17
  • National Cherry Cobbler Day - May 17
  • National Walnut Day - May 17
  • World Hypertension Day - May 17
  • World Information Society Day - May 17
  • World Neurofibromatosis Day (NF Day) - May 17
  • World Telecommunication and Information Society Day - May 17
  • World Telecommunication Day - May 17
  • Endangered Species Day - May 18, 2018 (Third Friday in May)
  • HIV Vaccine Awareness Day - May 18
  • I Love Reese's Day - May 18
  • International Museum Day - May 18
  • International Virtual Assistants Day - May 18, 2018 (Third Friday in May)
  • NASCAR Day - May 18, 2018 (Third Friday in May)
  • National Bike to Work Day - May 18, 2018 (Third Friday in May)
  • National Cheese Souffle Day - May 18
  • National Defense Transportation Day - May 18, 2018 (Third Friday in May)
  • National Museum Day - May 18  
  • National Pizza Party Day - May 18, 2018 (Third Friday in May)
  • Armed Forces Day - May 19, 2018 (Third Saturday in May)
  • Boys Club Day - May 19
  • Do Dah Day (Salute to Silliness) - May 19, 2018
  • Hepatitis Testing Day - May 19
  • Malcolm X Day - May 19
  • May Ray Day - May 19
  • National Asian and Pacific Islander HIV/AIDS Awareness Day - May 19
  • National Devil's Food Cake Day - May 19
  • National Learn to Swim Day - May 19, 2018 (Third Saturday of May - week before Memorial Day)
  • O. Henry Pun-Off Day - May 19, 2018 (Third Saturday in May)
  • Plant Something Day - May 19
  • Preakness - May 19, 2018 (Third Saturday in May)
  • Bay to Breakers Race - May 20, 2018 (Third Sunday in San Francisco, CA)
  • Eliza Doolittle Day - May 20
  • Emancipation Day (Florida) - May 20
  • Everybody Draw Mohammed Day - May 20
  • Flower Day - May 20
  • International Clinical Trials Day - May 20
  • Josephine Baker Day - May 20
  • National Rescue Dog Day - May 20
  • Neighbor Day - May 20, 2018 (Sunday before Memorial Day)
  • Pentecost - May 20, 2018
  • Pick Strawberries Day - May 20
  • Ride a Unicorn Day - May 20, 2018 (Third Sunday in May)
  • Soil Stewardship Day - May 20, 2018
  • Stepmother's Day - May 20, 2018 (The Sunday after Mother's Day)
  • Weights and Measure Day - May 20
  • Whitsunday - May 20, 2018 (Seventh Sunday after Easter)
  • World Autoimmune Arthritis Day - May 20
  • World Metrology Day - May 20
  • Accounting Day - May 21, 2018 (Third Monday in May)
  • End of the World or Rapture Party Day - May 21
  • National Strawberries and Cream Day - May 21
  • National Waiters and Waitresses Day - May 21
  • Pentecost Monday - May 21, 2018
  • Victoria Day - May 21, 2018 
  • Whit Monday - May 21, 2018
  • World Day for Cultural Diversity for Dialogue and Development - May 21
  • Buddha Day - May 22, 2018
  • Canadian Immigrants Day - May 22
  • Harvey Milk Day (California) - May 22
  • International Day for Biological Diversity - May 22
  • National Maritime Day - May 22
  • National Vanilla Pudding Day - May 22
  • World Goth Day - May 22
  • Declaration of the Bab Day (Bahai Faith) - May 23
  • Emergency Medical Services for Children Day - May 23, 2018
  • International Day to End Obstetric Fistula - May 23
  • International Turtle Day - May 23
  • National Taffy Day - May 23
  • World Crohn's and Colitis Day - May 23
  • World Orienting Day - May 23, 2018 (Fourth Wednesday in May)
  • World Turtle Day - May 23
  • Brother's Day - May 24, 2018
  • Eat More Fruits & Vegetables Day - May 24, 2018 (Thursday of Memorial Day Week)
  • Emergency Medical Services Day - May 24, 2018
  • International Women's Day for Peace and Disarmament - May 24
  • National Escargot Day - May 24
  • Red Nose Day - May 24, 2018
  • World Schizophrenia Day - May 24
  • African Liberation Day - May 25
  • Carb Day - May 25, 2018
  • Don't Fry Day - May 25, 2018 (Friday before Memorial Day)
  • Heat Awareness Day - May 25, 2018
  • National Brown-Bag-It Day - May 25
  • National Heat Safety Awareness Day - May 25, 2018 (Fourth Friday in May)
  • National Missing Children's Day - May 25
  • National Tap Dance Day - May 25
  • National Title Track Day - May 25, 2018 (Fourth Friday in May)
  • National Wig Out Day - May 25, 2018 (Friday before Memorial Day)
  • National Wine Day - May 25
  • Towel Day - May 25
  • Amateur Radio Military Appreciation Day (ARMAD) - May 26, 2018 (Saturday of Memorial Day Weekend)
  • International Heritage Breeds Day - May 26, 2018 (Saturday of Third Full Week in May)
  • International Jazz Day - May 26, 2018 (Saturday of Memorial Day Weekend) Also observed on April 30 each year.
  • Julia Pierpont Day - May 26, 2018 (Fourth Saturday in May)
  • National Blueberry Cheesecake Day - May 26
  • National Cherry Dessert Day - May 26
  • National Heritage Breeds Day - May 26, 2018 (Saturday of Third Full Week in May)
  • National Paper Airplane Day - May 26
  • World Lindy Hop Day - May 26
  • Indianapolis 500 - May 27, 2018 (Sunday of Memorial Day weekend)
  • National Grape Popsicle Day - May 27
  • Trinity Sunday - May 27, 2018
  • Jefferson Davis Birthday - May 28, 2018 (State of Mississippi)
  • Memorial Day - May 28, 2018 (Last Monday in May)
  • National Brisket Day - May 28
  • National Hamburger Day (May 28, July 28 and also December 21)
  • Prayer for Peace, Memorial Day - May 28, 2018 (Last Monday in May / Same Day as Memorial Day)
  • Slugs Return From Capistrano Day - May 28
  • Whooping Crane Day - May 28
  • Ascension of Baha'uLlah - May 29
  • Composting Day - May 29
  • Day of Vesak - May 29, 2018
  • International Day of United Nations Peacekeepers - May 29
  • National Coq Au Vin Day - May 29
  • Pink Flamingo Day - May 29
  • World Digestive Health Day - May 29
  • International Hug Your Cat Day - May 30
  • National Mint Julep Day - May 30
  • National Senior Health & Fitness Day - May 30, 2018 (Last Wednesday in May)
  • Want a Flower Day - May 30
  • World MS Day (Multiple Sclerosis) - May 30, 2018 (Last Wednesday in May)
  • Corpus Christi - May 31, 2018
  • National Macaroon Day - May 31
  • National Save Your Hearing Day - May 31
  • National Speak in Complete Sentences Day - May 31
  • World No-Tobacco Day - May 31

 

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May Holidays - Daily Detail

Below, you will find a Daily page for each day of May that will have lots of information pertaining to that specific day of the year! (pages will be linked up as they are completed)


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