Get a head start on planning your social media content with our downloadable 2021 Social Media Holiday Calendar.
It includes national and international holidays, month-long holidays, and heaps of fun holidays to organize your social media content around… like International Tourism Day, International Students Day and Love Your Pet Day!
Scroll down to see each month detailed in list and calendar form and CLICK HERE to get the downloadable, printable, PDF version of the FULL 12-month calendar delivered straight to your inbox.
JANUARY IS: Dry January (UK) and National Mentoring Month (USA)
1. New Year’s Day #NewYearsDay
2. Science Fiction Day #ScienceFictionDay
4. National Trivia Day #NationalTriviaDay
5. National Bird Day #NationalBirdDay
11. Human Trafficking Awareness Day #HumanTraffickingDay
13. National Sticker Day #NationalStickerDay
13. Clean Off Your Desk Day #CleanOffYourDeskDay
15. National Hat Day #NationalHatDay
16. Get to Know Your Customers Day (third Thursday of every quarter) #GetToKnowYourCustomersDay
20. Cheese Lovers Day #CheeseLoversDay
20. Martin Luther King, Jr. Day (Third Monday of January) #MLKDay
21. National Hugging Day #NationalHuggingDay
23. National Pie Day #PieDay
24. National Compliment Day #NationalComplimentDay
25. Opposite Day #OppositeDay
25. Chinese New Year #ChineseNewYear
27. Community Manager Appreciation Day (Last Monday of January) #CMAD
30. Data Privacy Day #PrivacyAware
2. Groundhog Day #GroundhogDay
2. World Wetlands Day #WorldWetlandsDay
2. Super Bowl LIV (Varies each year based on the U.S. Football season) #SBLLIV #SuperBowlSunday #SuperBowl
4. World Cancer Day #WorldCancerDay
5. National Weatherperson’s Day #NationalWeatherpersonsDay
7. National Send a Card to a Friend Day #SendACardToAFriendDay
8. National Boy Scouts Day #BoyScoutsDay
9. National Pizza Day #NationalPizzaDay
11. Safer Internet Day #SID2020
11. Inventors Day #InventorsDay
13. World Radio Day #WorldRadioDay
14. Valentine's Day #ValentinesDay
17. Random Acts of Kindness Day #RandomActsOfKindnessDay
17. Presidents Day (Third Monday of February) #PresidentsDay
18. National Battery Day #NationalBatteryDay
20. World Day of Social Justice #SocialJusticeDay
20. Love Your Pet Day #LoveYourPetDay
21. International Mother Language Day #IMLD
25. Mardi Gras #MardiGras
2. National Read Across America Day #ReadAcrossAmerica & #DrSeuss
3. World Wildlife Day #WorldWildlifeDay
4. National Grammar Day #NationalGrammarDay
5. National Pancake Day #NationalPancakeDay
6. National Dentist's Day #DentistsDay
6. National Employee Appreciation Day (First Friday of March) #EmployeeAppreciationDay
6. National Day of Unplugging (First Friday of March) #NationalDayOfUnplugging
7. National Be Heard Day #NationalBeHeardDay
7. National Cereal Day #NationalCerealDay
8. International Women's Day #BeBoldForChange
8. National Proofreading Day #NationalProofreadingDay
8. Daylight Savings #DaylightSavings
10. National Pack Your Lunch Day #NationalPackYourLunchDay
10. National Women and Girls HIV/AIDS Awareness Day #NWGHAAD
11. National Worship of Tools Day #WorshipOfToolsDay
11. National Napping Day #NationalNappingDay
12: National Girl Scout Day #GirlScoutDay
14. Popcorn Lover's Day #PopcornLoversDay
14. Potato Chip Day #NationalPotatoChipDay
14. Pi Day #PiDay (To go the extra mile, post this at 1:59, as Pi equals 3.14159...)
15. World Consumer Rights Day #WCRD2020
15. World Sleep Day #WorldSleepDay
16. National Freedom of Information Day #FreedomOfInformationDay
17. St. Patrick's Day #StPatricksDay
18. Awkward Moments Day #NationalAwkwardMomentsDay
19. National Let's Laugh Day #NationalLetsLaughDay
20. International Day of Happiness #InternationalDayofHappiness
20. World Storytelling Day #WorldStorytellingDay
20. First Day of Spring #FirstDayofSpring
21. International Day for the Elimination of Racial Discrimination #RacialDiscriminationDay
21. World Poetry Day #WorldPoetryDay
22: World Water Day #WorldWaterDay
23. National Puppy Day #NationalPuppyDay
25. Tolkien Reading Day #TolkienReadingDay
26. National Spinach Day #NationalSpinachDay
26. Purple Day #PurpleDay
26. American Diabetes Association Alert Day #AmericanDiabetesAssociationAlertDay
28. Earth Hour Day #EarthHour
30. Doctor's Day #NationalDoctorsDay
30. National Take a Walk in the Park Day #NationalWalkInTheParkDay
31. World Backup Day #WorldBackupDay
31. Transgender Day of Visibility #TDOV
31. Equal Pay Day #EqualPayDay
1. April Fools Day #AprilFools
2. World Autism Awareness Day #WAAD
3. Find a Rainbow Day #FindARainbowDay
3. National Walking Day #NationalWalkingDay
4. Hug a Newsperson Day #HugANewsperson
7. World Health Day #LetsTalk
10. National Siblings Day #NationalSiblingsDay
10. Encourage a Young Writer Day #EncourageAYoungWriterDay
11. National Pet Day #NationalPetDay
12. International Day of Human Space Flight #InternationalDayOfHumanSpaceFlight
15. National Tax Day #TaxDay
16. National Stress Awareness Day #StressAwarenessDay
16. National Wear Your Pajamas to Work Day #PJDay
17. Haiku Poetry Day #HaikuPoetryDay
18. National Columnists' Day #NationalColumnistDay
18. Get to Know Your Customers Day #GetToKnowYourCustomersDay
18. National High-Five Day #NH5D
20. National Look-Alike Day #NationalLookAlikeDay
22. Earth Day #EarthDay2018
23. National Picnic Day #NationalPicnicDay
23. World Book Day #WorldBookDay
24. National Administrative Professionals Day #AdministrativeProfessionalsDay
24. Denim Day #DenimDay
25. National Telephone Day #NationalTelephoneDay
25. World Malaria Day #EndMalariaForGood
25. National Take Our Daughters and Sons to Work Day #COUNTONME
26. Arbor Day #ArborDay
29. International Dance Day #InternationalDanceDay
30. National Honesty Day #NationalHonestyDay
30. National Adopt a Shelter Pet Day #AdoptAShelterPetDay
30. International Jazz Day #JazzDay
1. May Day #MayDay
1. International Workers Day #IntWorkersDay
2. World Password Day #WorldPasswordDay
3. World Press Freedom Day #WPFD2020 #PressFreedom
3. Space Day #SpaceDay
4. Star Wars Day #StarWarsDay & #Maythe4thBeWithYou
4. International Firefighters Day #InternationalFirefightersDay
5. Cinco de Mayo #CincoDeMayo
6. National Nurses Day #NursesDay
7. World Asthma Day #WorldAsthmaDay
7. Thank a Teacher Day #ThankATeacher
8. National Receptionist Day #NationalReceptionistDay
9. Europe Day #EuropeDay
10. Mother's Day #MothersDay
12. National Limerick Day #NationalLimerickDay
15. International Day of Families #FamilyDay
15. National Bike to Work Day #BTWD
16. Love a Tree Day #LoveATreeDay
17. International Day Against Homophobia and Transphobia #IDAHOT2020
17. Endangered Species Day #EndangeredSpeciesDay
21. National Memo Day #NationalMemoDay
21. Red Nose Day #RedNoseDay
24. National Scavenger Hunt Day #NationalScavengerHuntDay
25. Memorial Day (Fourth Monday of May) #MemorialDay #MDW
28. Hamburger Day #NationalHamburgerDay
29. Paperclip Day #PaperclipDay
29. Heat Awareness Day (Last Friday of May) #NoFryDay
31. World No-Tobacco Day #NoTobacco
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