Here is a list of links to strange, fun and unofficial holidays celebrated in March. Links in boldface are profiled on Worldwide Weird Holidays.
March 1
National Pig Day
Beer Day
National Black Women in Jazz and the Arts Day
National Fruit Compote Day
National Horse Protection Day
National Peanut Butter Lover’s Day
Peace Corps Day
Plan a Solo Vacation Day
Refired Not Retired Day
Saint David’s Day
World Compliment Day
Zero Discrimination Day
March 2
Read Across America Day
National Banana Cream Pie Day
National Old Stuff Day
World Math Day
March 3
National Cold Cuts Day
I Want You to be Happy Day
National Anthem Day
National Mulled Wine Day
Simplify-Your-Life Day
What if Cats and Dogs Had Opposable Thumbs Day
World Hearing Day
World Wildlife Day
March 4
International Festival of Owls – 2016
Benjamin Harrison Day
Courageous Follower Day
Employee Appreciation Day
International GM’s Day
International Scrapbooking Industry Day
March Forth Day
National Day of Unplugging
National Grammar Day
National Poundcake Day
National Snack Day
Old Inauguration Day
Toy Soldier Day
March 5
St. Piran’s Day
Cinco de Marcho
Multiple Personality Day
National Absinthe Day
National Cheese Doodle Day
March 6
National Frozen Food Day
Alamo Day
Mothering Sunday
Namesake Day
National White Chocolate Cheesecake Day
March 7
Fun Facts About Names Day
Casimir Pulaski Day
National Be Heard Day
National Cereal Day
National Crown Roast of Pork Day
March 8
National Proofreading Day
International Women’s Day
National Be Nasty Day
National Peanut Cluster Day
Organize your Home Office Day
Unique Names Day
March 9
Panic Day
Barbie Day
Discover What Your Name Means Day
False Teeth Day
Get Over It Day
Joe Franklin Day
National Crabmeat Day
Registered Dietitian Day
March 10
World Kidney Day
International Day of Awesomeness
Mario Day
Nametag Day
National Blueberry Popover Day
Pack Your Lunch Day
Popcorn Lovers Day
Salvation Army Day
US Paper Money Day
March 11
World Plumbing Day
Dream Day
Johnny Appleseed Day
Middle Name Pride Day
Oatmeal Nut Waffles Day
March 12
International Fanny Pack Day – 2016
Descendants Day
Genealogy Day
Girl Scout Day
National Baked Scallops Day
National Plant a Flower Day
March 13
Ear Muff Day
Good Samaritan Involvement Day
National K-9 Veterans’ Day
Ken Day
National Coconut Torte Day
National Jewel Day
National Open An Umbrella Indoors Day
The Start of Daylight Savings Time
March 14
Fill Our Staplers Day – 2016
Genius Day
International Ask a Question Day
National Children’s Craft Day
National Pi Day
National Potato Chip Day
National Workplace Napping Day
March 15
Ides of March
Brutus Day
Everything You Think is Wrong Day
National Pears Helene Day
True Confessions Day
World Consumer Rights Day
World Social Work Day
March 16
Goddard Day
Curlew Day
Everything You Do is Right Day
Freedom of Information Day
Kick Butts Day
Lips Appreciation Day
National Artichoke Hearts Day
St. Urho’s Day
March 17
St. Patrick’s Day
Campfire Girls Day
Companies That Care Day
March 18
Awkward Moments Day
National Corndog Day – 2017
National Biodiesel Day
National Lacy Oatmeal Cookie Day
March 19
Client’s Day
International Astrology Day
International Earth Day
International Sports Car Racing Day
Let’s Laugh Day
National Chocolate Caramel Day
National Poultry Day
World Storytelling Day
March 20
Extraterrestrial Abduction Day
French Language Day
Great American Meatout Day
International Day of Happiness
National Native HIV/AIDS Awareness Day
National Ravioli Day
Proposal Day
Snowman Burning Day
March 21
Twitter Day
Memory Day
National Common Courtesy Day
National Fragrance Day
National French Bread Day
National Wellderly Day
Single Parent’s Day
World Poetry Day
March 22
International Talk Like William Shatner Day
American Diabetes Association Alert Day
As Young as You Feel Day
National Agriculture Day
National Goof-off Day
World Water Day
March 23
Near Miss Day
Cuddly Kitten Day
National Puppy Day
National Chip and Dip Day
National Melba Toast Day
National Puppy Day
OK Day
World Meteorological Day
March 24
National Chocolate Covered Raisin Day
International Day for Achievers
National Chocolate Covered Raisins Day
National Cocktail Day
World Tuberculosis Day
March 25
Pecan Day
International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
International Waffle Day
National Day of Celebration of Greek and American Democracy
National Lobster Newburg Day
Old New Year’s Day
March 26
Make Up Your Own Holiday Day
Brothers’ and Sisters’ Day
Earth Hour
Legal Assistants Day
National Nougat Day
National Spinach Day
March 27
National Joe Day
National Baked Ham with Pineapple Day
National Spanish Paella Day
Quirky Country Music Song Titles Day
March 28
Respect Your Cat Day
Children’s Picture Book Day
Dyngus Day
National Black Forest Cake Day
National Hot Tub Day
National Something On a Stick Day
Weed Appreciation Day
White House Easter Egg Roll
March 29
Smoke and Mirrors Day
National Lemon Chiffon Cake Day
National Mom and Pop Business Owners Day
Texas Loves the Children Day
March 30
Pencil Day
Grass Is Always Browner On The Other Side Of The Fence Day
Manatee Appreciation Day
National Doctors Day
National I Am In Control Day
Take a Walk in the Park Day
Turkey Neck Soup Day
March 31
National “She’s Funny That Way” Day
César Chávez Day
Dance Marathon Day
Eiffel Tower Day
National Bunsen Burner Day
National Clams on the Half Shell Day
National Crayola Crayon Day
National Tater Day
World Backup Day