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Welcome to one of the larger months for celebrations. Which means there is literally something for everyone–twice over. Popular ones include International Women’s Day on March 8, which is a good opportunity to celebrate the history and also women in developing countries, and several bookish ones, which are great for schools. Finally, for something a tad random, check out March 20 and take your pick.

Last updated: March 8, 2021 – 296 hashtag holidays

This list starts with the hashtag holidays by day, followed by the celebration months. There’s a little duplication because that’s the nature of made up holidays. Some also rotate year-to-year and we’re still working at identifying those. If you know a holiday that’s missing or we’ve made a mistake, please let us know!

Hashtag holidays with rotating dates are identified by the year. Official public holidays have the country and state, if state-based.

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March 1

Fun Facts About Names Day (2021) | National Peanut Butter Lover’s Day | National Fruit Compote Day | National Pig Day | Horse Protection Day | World Compliment Day | Plan a Solo Vacation Day | Dress in Blue Day | Wedding Planning Day | Zero Discrimination Day | Self Injury Awareness Day | World Music Therapy Day | Labour Day (Australia – WA)

March 2

Read Across America Day (2021) | Dr Seuss’ Birthday / Dr Seuss Day | National Banana Creme Pie Day | Salesperson Day | Old Stuff Day | World Teen Mental Illness Day| Town Hall Meeting Day (USA – VT 2021)

March 3

National Cold Cuts Day | National Mulled Wine Day | National Anthem Day | World Wildlife Day | I Want You To Be Happy Day | Peach Blossom Day | National Anthem Day | World TB-303 Appreciation Day | Soup it Forward Day

March 4

National Pound Cake Day | Grammar Day | International Scrapbooking Industry Day | Toy Soldier Day | Marching Band Day | Holy Experiment Day | World Book Day (2021) | National Sons Day

March 5

National Cheese Doodle Day | National Absinthe Day | Multiple Personalities Day | Employee Appreciation Day (2021) | National Day of Unplugging (2021) | Dress in Blue Day

March 6

National Frozen Food Day | National Oreo Day | National White Chocolate Cheesecake Day | Dentist’s Day | National Dress Day

March 7

National Crown Roast of Pork Day | National Cereal Day | No Smoking Day | Be Heard Day | World Maths Day | Plant Power Day | Namesake Day (2021) | Finishers Medal Day

March 8

World Kidney Day | National Peanut Cluster Day | Proofreading Day | International Women’s Day | Name Tag Day | Be Nasty Day | Middle Name Pride Day | Fill our Staplers Day (2021 – multiple dates per year) | Labour Day (Australia – Vic) | Canberra Day (Australia – ACT) | Adelaide Cup Day (Australia – SA) | Eight Hours Day (Australia – Tasmania)

March 9

National Crabmeat Day | National Meatball Day | Barbie Day | Panic Day | Get Over It Day | False Teeth Day | Unique Names Day (2021) | Organize Your Home Office Day (2021)

March 10

National Women and Girls HIV/AIDS Awareness Day | National Pack Your Lunch Day | National Ranch Dressing Day | Mario Day | Skirt Day | Day of Awesomeness | International Bagpipe Day | Festival of Life in the Cracks Day | Dry Shampoo Day | International Wig Day | Check Your Batteries Day | Fill our Staplers Day (2021 – multiple dates per year) | Blueberry Popover Day | Pack Your Lunch Day | National Landline Telephone Day

March 11

Johnny Appleseed Day | Oatmeal-Nut Waffles Day | World Plumbing Day | Worship of the Tools Day | Funeral Director and Mortician Recognition Day | World Kidney Day

March 12

National Baked Scallops Day | Girl Scout Day | Plant a Flower Day | International Fanny Pack Day | Alfred Hitchcock Day | Registered Dietitian Day

March 13

National Coconut Torte Day | National Ginger Ale Day | Ken Day | Earmuffs Day | Open an Umbrella Indoors Day | Smart and Sexy Day | Jewel Day | No Smoking Day | Genealogy Day (2021) | Good Samaritan Day | National K9 Veterans Day

March 14

National Potato Chip Day | National Reuben Sandwich Day | Pi Day | International Ask a Question Day | Legal Assistance Day | Science Education Day | Learn About Butterflies Day | Crowdfunding Day | World Kidney Day | Dribble to Work Day | Daylight Saving Time starts (United States) | Day of Mathematics | Children’s Craft Day | Write your Story Day

March 15

National Pears Hélène Day | Ag Day | World Speech Day | True Confessions Day | World Consumer Rights Day | Ides of March Buzzard’s Day | Everything You Think is Wrong Day | World Sleep Day | Brutus Day | Celebrating our Bountiful Food Supply | Napping Day (2021) | Fill our Staplers Day (2021 – multiple dates per year) | World Contact Day | National Shoe the World Day

March 16

National Artichoke Hearts Day | World Sleep Day | Panda Day | No Selfies Day | Freedom of Information Day | Lips Appreciation Day | Everything You Think is Right Day| World Social Work Day

March 17

St Patrick’s Day | Corned Beef and Cabbage Day | Quilting Day | Submarine Day | National Kick Butts Day (2021) | National Small Business Development Centers (SBDC) Day

March 18

Awkward Moments Day | Supreme Sacrifice Day | Biodiesel Day | Forgive Mom and Dad Day | Companies that Care Day | National Agriculture Day | Oatmeal Cookie Day| Farm Rescuer Day | Global Recycling day

March 19

International Read to Me Day | National Poultry Day | Client’s Day | National Chocolate Caramel Day | World Sleep Day | National Certified Nurses Day | Let’s Laugh Day | Red Nose Day

March 20

Spring Equinox (2021) | First Day of Spring (North America) | World Storytelling Day | Proposal Day | Festival of Extraterrestrial Abductions Day | Snowman Burning Day | Kiss Your Fiancé Day | Won’t You Be My Neighbor Day | International Day of Happiness | Hufflepuff Pride Day | National Bock Beer Day | National Ravioli Day | World Flour Day | French Language Day | World Oral Health Day

March 21

World Poetry Day | Fragrance Day | Common Courtesy Day | Single Parent’s Day | Memory Day | World Down Syndrome Day | Slytherin Pride Day | California Strawberry Day | National French Bread Day | National Healthy Fats Day | International Day for the Elimination of Racial Discrimination | Harmony Day | International Day of Forests | World Puppetry Day

March 22

National Goof-off Day | World/National Water Day | As Young As You Feel Day | Gryffindor Pride Day | Coq au Vin Day | Bavarian Crepes Day | World Water Day

March 23

National Puppy Day | National Chip and Dip Day | Near Miss Day | Ravenclaw Pride Day | National Chia Day | National Melba Toast Day | National Chia Day | Educational and Sharing Day

March 24

National Chocolate-Covered Raisins Day | National Cocktail Day | World Tuberculosis Day | International Day for the Right to the Truth | National Cheesesteak Day

March 25

Tolkien Reading Day | Pecan Day | Waffle Day | National Lobster Newburg Day | Medal of Honour Day

March 26

Make Up Your Own Holiday Day | Spinach Festival Day / National Spinach Day | American Diabetes Alert Day | Purple Day | Epilepsy Awareness day | National Nougat Day | National Spanish Day | Prince Kūhiō Day (USA – HI)

March 27

National “Joe” Day | World Theater Day | Quirky Country Music Song Titles Day | Manatee AppreciationDay | National Spanish Paella Day | Earth Hour Day (2021) | International Medical Science Liaison Day | International Whiskey Day | National Scribble Day

March 28

Something on a Stick Day | National Black Forest Cake Day | National Triglycerides Day | Weed Appreciation Day

March 29

Festival of Smoke and Mirrors Day | Niagara Falls Runs Dry Day | National Lemon Chiffon Cake Day | World Piano Day | Mom and Pop Business Owners Day | Vietnam War Veterans Day | Seward’s Day (USA – AK 2021)

March 30

Doctors Day | I Am In Control Day | Take a Walk in the Park Day | Pencil Day | Turkey Neck Soup Day | National Virtual Vacation Day | World Bipolar Day

March 31

Bunsen Burner Day | National Clams on the Half Shell Day | Crayola Crayon Day | Neighbor Day | Eiffel Tower Day | World Backup Day | Oranges and Lemons Day | Transgender Day of Visibility | National Tater Day | César Chávez Day (USA – CA)

March Hashtag Holidays

Bleeding Disorders Awareness Month | National Cheerleader Safety Month | National Colorectal Cancer Awareness Month | National Endometriosis Awareness Month | National Kidney Month | National Nutrition Month | Problem Gambling Awareness Month | Save Your Vision Month | Trisomy Awareness Month | Workplace Eye Wellness Month | National Celery Month | National Flour Month | National Frozen Food Month | National Nutrition Month | National Noodle Month | National Peanut Month | National Sauce Month | National Caffeine Awareness Month | Irish American Month | Music in Our Schools Month | National Craft Month | National Women’s History Month | Red Cross Month | Social Workers Month

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Cover Photo by Dan Dumitriu on Unsplash