Holiday Calendar
LIVE · TODAY 07:16local 17 holidays observed on this day
Monday, May 18 2026

Monday,
May 18 2026

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What May 18 celebrates

17 holidays observed around the world. Sorted by what people are loving today.

National Shrek Day MOST LOVED TODAY
Pop Culture Movies & TV United States

National Shrek Day

Celebrate Shrek's iconic humor, big heart, and ogre-sized adventures on National Shrek Day for a fairy-tale day of fun.

Read the full story
02
National Horse Lover Day
Observance
National Horse Lover Day

Celebrate National Horse Lover Day with majestic rides, cherished bonds, and magical moments by your steed’s side!

Animals Farm Animals United States
03
I Love Reese’s Day
Food observance
I Love Reese’s Day

Get ready to indulge in all things peanut butter and chocolate on I Love Reese's Day - the perfect excuse to satisfy your sweet tooth!

Food Candy United States
04
World Baking Day
Food observance
World Baking Day

Whisk up some joy this World Baking Day! Unleash your creativity in the kitchen, bake something delicious and share the sweetness with loved ones.

Food Baking United States
05
National No Dirty Dishes Day
Observance
National No Dirty Dishes Day

Celebrate National No Dirty Dishes Day with friends and family - take the day off from cooking and enjoy some delicious takeout!

Lifestyle Cleaning United States
06
International Museum Day
Observance
International Museum Day

Explore the world on International Museum Day - take a virtual tour of amazing museums and learn about unique cultures around the globe!

School Literacy International
07
National Marvin Day
Observance
National Marvin Day

Calling all Marvins! It's time to celebrate your unique name and join in on the fun of National Marvin Day - a day just for you!

Names International
08
National Visit Your Relatives Day
Observance
National Visit Your Relatives Day

Reconnect with the family this National Visit Your Relatives Day - schedule some time to catch up, have fun and create new memories!

Relationships Family United States
09
Stepmother’s Day
Observance
Stepmother’s Day

Celebrate Stepmother's Day and honor the exceptional women who step up to love, guide and nurture. Their unique role makes our families complete!

Relationships Mother United States
10
Haitian Flag Day
Observance
Haitian Flag Day

Join the vibrant celebrations and honor Haitian heritage on Flag Day with music, food, and cultural events!

Culture Regional Haiti
11
National Cheese Soufflé Day
Food observance
National Cheese Soufflé Day

Indulge your taste buds on National Cheese Soufflé Day with this delicious and easy-to-make recipe, sure to make your day cheesy and special!

Food Dining United States
12
National HIV Vaccine Awareness Day
Awareness day
National HIV Vaccine Awareness Day

Help spread awareness and join the fight against HIV on National HIV Vaccine Awareness Day - get informed, get tested, and show your support!

Awareness Health Conditions United States
13
Battle of Las Piedras
Observance
Battle of Las Piedras

The Battle of Las Piedras: a historic event that marked the beginning of Uruguay's fight for independence. Learn about this pivotal moment in history!

Culture Civics Uruguay
14
National Brock Day
Observance
National Brock Day

Calling all Brocks! It's time to celebrate your unique name and all the amazing people who share it on National Brock Day. Let's raise a glass to being one-of-a-kind!

Names International
15
World AIDS Vaccine Day
Awareness day
World AIDS Vaccine Day

Join the fight against HIV/AIDS on World AIDS Vaccine Day. Spread awareness, support research, and help make a difference!

Awareness Health Conditions International
16
International AIDS Candlelight Memorial
Awareness day
International AIDS Candlelight Memorial

Join us in lighting a candle for International AIDS Candlelight Memorial — remembering those we have lost and standing with those still fighting.

Awareness Health Conditions International
17
State Flag of Turkmenistan Day
Observance
State Flag of Turkmenistan Day

Honor Turkmenistan's rich cultural heritage and history by proudly displaying the State Flag of Turkmenistan on this special day.

Culture Regional Turkmenistan
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ALSO HAPPENING

This week & month

73 month-long observances and 5 week-long ones that include May 18.

National Pet Month
All of May
National Pet Month
Animals
Mental Health Awareness Month
All of May
Mental Health Awareness Month
Awareness
Military Appreciation Month
All of May
Military Appreciation Month
Careers
National Duckling Month
All of May
National Duckling Month
Food
Zombie Awareness Month
All of May
Zombie Awareness Month
Fun
Be Kind to Animals Month
All of May
Be Kind to Animals Month
Awareness
National Strawberry Month
All of May
National Strawberry Month
Food
National Hamburger Month
All of May
National Hamburger Month
Food
National Barbecue Month
All of May
National Barbecue Month
Food
Borderline Personality Disorder Awareness Month
All of May
Borderline Personality Disorder Awareness Month
Awareness
Asian American and Pacific Islander Heritage Month
All of May
Asian American and Pacific Islander Heritage Month
Culture
Jewish American Heritage Month
All of May
Jewish American Heritage Month
Culture
National Salad Month
All of May
National Salad Month
Food
Lupus Awareness Month
All of May
Lupus Awareness Month
Awareness
Better Speech and Hearing Month
All of May
Better Speech and Hearing Month
Awareness
Small Business Month
All of May
Small Business Month
Business
ALS Awareness Month
All of May
ALS Awareness Month
Awareness
Date Your Mate Month
All of May
Date Your Mate Month
Relationships
American Cheese Month
All of May
American Cheese Month
Food
Better Sleep Month
All of May
Better Sleep Month
Health
National Salsa Month
All of May
National Salsa Month
Food
Correct Posture Month
All of May
Correct Posture Month
Health
National Asthma and Allergy Awareness Month
All of May
National Asthma and Allergy Awareness Month
Awareness
Clean Air Month
All of May
Clean Air Month
Nature
Healthy Vision Month
All of May
Healthy Vision Month
Health
National Smile Month
May 17 – June 17
National Smile Month
Health
Make May Purple /Action On Stroke Month
All of May
Make May Purple /Action On Stroke Month
Awareness
National Doughnut Week
May 16–24
National Doughnut Week
Food
National Physical Fitness and Sports Month
All of May
National Physical Fitness and Sports Month
Health
National Blood Pressure Month
All of May
National Blood Pressure Month
Awareness
Global Employee Health and Fitness Month
All of May
Global Employee Health and Fitness Month
Careers
Haitian Heritage Month
All of May
Haitian Heritage Month
Culture
National Heritage Month
All of May
National Heritage Month
Culture
National Youth Traffic Safety Month
All of May
National Youth Traffic Safety Month
Awareness
Arthritis Awareness Month
All of May
Arthritis Awareness Month
Awareness
Fuji Shibazakura Festival
April 16 – May 29
Fuji Shibazakura Festival
Nature
Indian Heritage Month
All of May
Indian Heritage Month
Culture
International Drum Month
All of May
International Drum Month
Hobbies
Local and Community History Month
All of May
Local and Community History Month
Culture
National Foster Care Month
All of May
National Foster Care Month
Awareness
National Police Week
May 15–21
National Police Week
Careers
National Teen Self-Esteem Month
All of May
National Teen Self-Esteem Month
Awareness
National Walking Month
All of May
National Walking Month
Health
Bladder Cancer Awareness Month
All of May
Bladder Cancer Awareness Month
Awareness
Brain Cancer Awareness Month
All of May
Brain Cancer Awareness Month
Awareness
National Osteoporosis Awareness and Prevention Month
All of May
National Osteoporosis Awareness and Prevention Month
Awareness
National Physiotherapy Month
All of May
National Physiotherapy Month
Careers
Older Americans Month
All of May
Older Americans Month
Awareness
Speech and Hearing Awareness Month
All of May
Speech and Hearing Awareness Month
Awareness
Bealtaine Festival
All of May
Bealtaine Festival
Religion
Chip Your Pet Month
All of May
Chip Your Pet Month
Animals
Fibromyalgia Education and Awareness Month
All of May
Fibromyalgia Education and Awareness Month
Awareness
Huntington’s Disease Awareness Month
All of May
Huntington’s Disease Awareness Month
Awareness
National Moving Month
All of May
National Moving Month
Lifestyle
Building Safety Month
All of May
Building Safety Month
Awareness
Lung Health Awareness Month
All of May
Lung Health Awareness Month
Awareness
Maternal Mental Health Month
All of May
Maternal Mental Health Month
Awareness
National Bicycle Safety Month
All of May
National Bicycle Safety Month
Awareness
National Recommitment Month
All of May
National Recommitment Month
Health
Dementia Awareness Week
May 18–24
Dementia Awareness Week
Awareness
Fungal Infection Awareness Month
All of May
Fungal Infection Awareness Month
Awareness
Homeschool Awareness Month
All of May
Homeschool Awareness Month
Awareness
International Civility Awareness Month
All of May
International Civility Awareness Month
Awareness
Latino Books Month
May 1–30
Latino Books Month
Culture
National EMS Week
May 17–23
National EMS Week
Careers
National Preservation Month
All of May
National Preservation Month
Culture
National Share a Story Month
All of May
National Share a Story Month
Pop Culture
Syringomyelia Awareness Month
All of May
Syringomyelia Awareness Month
Awareness
EDS Awareness Month
All of May
EDS Awareness Month
Awareness
Electromagnetic Radiation Awareness Month
All of May
Electromagnetic Radiation Awareness Month
Awareness
Family Wellness Month
All of May
Family Wellness Month
Health
Get Caught Reading Month
All of May
Get Caught Reading Month
Pop Culture
Gifts From The Garden Month
All of May
Gifts From The Garden Month
Hobbies
Motorcycle Safety Awareness Month
All of May
Motorcycle Safety Awareness Month
Awareness
National Inventors Month
All of May
National Inventors Month
Tech
National Lyme Disease Awareness Month
All of May
National Lyme Disease Awareness Month
Awareness
Foster Care Fortnight
May 9–22
Foster Care Fortnight
Awareness
International Victorious Woman Month
All of May
International Victorious Woman Month
Culture
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