May 18, 2027
Tuesday

This is day 138 of the year. There are 227 days remaining in the year. 37 events are currently in the EventGuide database for this day:

Every
May 18

I Love Reese's Day

#ILoveReesesDay #NationalILoveReesesDay

Every
May 18

International Museum Day

#InternationalMuseumDay #MuseumDayMore(6)

3rd Tue
in May

International Dinosaur Day

#InternationalDinosaurDay #DinosaurDayMore

Every
May 18

National Speech Pathologist Day

#NationalSpeechPathologistDay #SpeechPathologistDayMore(6)

Every
May 18

No Dirty Dishes Day

#NoDirtyDishesDay #NationalNoDirtyDishesDay

Every
May 18

National Cheese Souffle Day

#NationalCheeseSouffleDay #CheeseSouffleDay

Every
May 18

World Therapeutic Horticulture Day

#WorldTherapeuticHorticulture… #TherapeuticHorticultureDay

Every
May 18

World Homocystinurias Awareness Day

#WHAD2027 #WorldHCUDay

Every
May 18

International Day for Women in Maritime

#WomenInMaritimeDay #InternationalDayForWomenInMa…

Every
May 18

HIV Vaccine Awareness Day

#HIVVaccineAwarenessDay #AIDSVaccineAwarenessDayMore(4)

Every
May 18

Visit Your Relatives Day

#VisitYourRelativesDay #NationalVisitYourRelativesDay

Every
May 18

International Fascination of Plants Day

#InternationalFascinationOfPl… #FascinationOfPlantsDayMore(4)

Every
May 18

National AAPI Day Against Bullying

#AAPIDayAgainstBullying

Every
May 18

National Bento Day

#NationalBentoDay #BentoDay

Every
May 18

World Eosinophilic Diseases Day

#WorldEosinophilicDiseasesDay #WorldEosDayMore

3rd Tue
in May

National Stop Nausea Day

#NationalStopNauseaDay #StopNauseaDay

Every
May 18

National Kids Ignite Good! Day

#NationalKidsIgniteGoodDay #KidsIgniteGoodDay

Every
May 18

National Brock Day

#NationalBrockDay #BrockDay

Every
May 18

National Marvin Day

#NationalMarvinDay #MarvinDay

Tue of Wk. 3

EMS Safety Day

#EMSSafetyDay

Every
May 18

National Haitian Soul Snatching Day

Every
May 18

World Lipedema Day

Every
May 18

National Mini Train Day

#NationalMiniTrainDay #MiniTrainDay

Every
May 18

eCard Day

#eCardDay #NationalECardDay

Every
May 18

National CASA/GAL Volunteer's Day

#CASAVolunteersDay

Every
May 18

World Hollandia Dairy Day (Nigeria)

#HollandiaDairyDay #HDD2027

Every
May 18

Mount Saint Helens Day

#MountStHelensDay

Every
May 18

Children's International Goodwill Day

Every
May 18

Mother Whistler Day

#MotherWhistlerDay

Every
May 18

Haitian Flag Day

#HaitianFlagDay #HappyHaitianFlagdayMore

Every
May 18

National Marshmallow Day (Australia)

#NationalMarshmallowDay #MarshmallowDay

Every
May 18

National Cocktail Day (Portugal)

#DiaNacionalDoCocktail #CocktailDay

Every
May 18

518 Day

#518Day

Every
May 18

Day of Remembrance of the Genocide of the Crimean Tatar People

Every
May 18

Mullivaikkal Remembrance Day (Sri Lanka)

#MullivaikkalRemembranceDay #May18TamilGenocideMore

Every
May 18

518 Day of Giving

#518DayOfGiving #518Day

Every
May 18

Fibroid Awareness Day (Jamaica)

#FibroidAwarenessDay #NationalFibroidAwarenessDay

Next year, May 18th falls on a Thursday. Last year, it fell on a Monday.

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