Here is a list of links to strange, fun and unofficial holidays celebrated in January. Links in boldface are profiled on Worldwide Weird Holidays.

January 1

Shakespeare400 – 2016
Copyright Law Day
Euro Day
First Foot Day
Global Family Day
National Bloody Mary Day
National Ellis Island Day
New Year’s Day
New Year’s Dishonor List Day
Polar Bear Swim Day
Public Domain Day

January 2

National Buffet Day
National Cream Puff Day
National Motivation and Inspiration Day
National Run it Up the Flagpole and See if Anybody Salutes It Day
National Science Fiction Day
Personal Trainer Awareness Day

January 3

Festival of Sleep Day
Fruitcake Toss Day
Humiliation Day
Memento Mori Day
National Chocolate Covered Cherry Day
National Drinking Straw Day
National Write to Congress Day

January 4

National Trivia Day
National Spaghetti Day
National Weigh-In Day
Pop Music Chart Day
Tom Thumb Day
World Braille Day

January 5

National Whipped Cream Day
National Bird Day

January 6

Bean Day
Apple Tree Day
Cuddle Up Day
National Shortbread Day
National Smith Day
National Take Down the Christmas Tree Day
World Day for War Orphans

January 7

National Pass Gas Day
Harlem Globetrotter’s Day
I’m Not Going To Take It Anymore Day
International Programmers’ Day
National Bobblehead Day
National Old Rock Day
National Tempura Day

January 8

Show and Tell at Work Day
Argyle Day
Bubble Bath Day
Earth’s Rotation Day
National English Toffee Day
National Joygerm Day
War on Poverty Day
World Typing Day

January 9

Aviation in America Day
Balloon Ascension Day
National Apricot Day
National Clean Off Your Desk Day – 2017
National Static Electricity Day
National Word Nerd Day
Panama’s Martyr Day

January 10

Peculiar People Day
Houseplant Appreciation Day
National Bittersweet Chocolate Day
National Cut Your Energy Costs Day

January 11

Cigarettes Are Hazardous To Your Health Day
Learn Your Name in Morse Code Day
National Hot Toddy Day
National Milk Day
National Step in a Puddle and Splash Your Friend Day
Secret Pal Day

January 12

Kiss a Ginger Day
Curried Chicken Day
Feast of Fabulous Wild Men Day
National Marzipan Day
National Pharmacist Day
Stick To Your New Year’s Resolution Day

January 13

International Skeptics Day – 2017
National Rubber Ducky Day
Blame Someone Else Day – 2017
National Peach Melba Day
Public Radio Broadcasting Day

January 14

Caesarean Section Day
Feast of the Ass Day
National Dress Up Your Pet Day
National Hot Pastrami Sandwich Day
Organize Your Home Day
Ratification Day

January 15

National Hat Day
Birthday of Martin Luther King, Jr.
National Strawberry Ice Cream Day
Wikipedia Day

January 16

National Nothing Day
Appreciate a Dragon Day
International Hot and Spicy Food Day
National Fig Newton Day
National Good Teen Day
Prohibition Remembrance Day

January 17

Palomares Hydrogen Bomb Accident Day
Benjamin Franklin Day
Cable Car Day
Ditch New Year’s Resolution Day
Hot-Buttered Rum Day
Kid Inventors’ Day
National Hot Heads Chili Day

January 18

Thesaurus Day
National Gourmet Coffee Day
National Peking Duck Day
Winnie the Pooh Day

January 19

Tin Can Day
Brew a Potion Day
Good Memory Day
National Popcorn Day
Poe Toaster Day

January 20

National Disc Jockey Day
Camcorder Day
National Buttercrunch Day
National Cheese Lovers Day
Penguin Awareness Day
Take a Walk Outdoors Day

January 21

National Hugging Day
National Granola Bar Day
National New England Clam Chowder Day
One-Liners Day
Own Your Own Home Day
Squirrel Appreciation Day

January 22

National Hot Sauce Day
Answer Your Cat’s Questions Day
Come in From the Cold Day
Dance of the Seven Veils Day
National Blonde Brownie Day

January 23

National Handwriting Day
Measure Your Feet Day
National Pie Day
National Rhubarb Pie Day

January 24

Talk Like a Grizzled Prospector Day
Beer Can Appreciation Day
Belly Laugh Day
National Compliment Day
National Eskimo Pie Patent Day
National Lobster Thermidor Day
National Peanut Butter Day

January 25

National Opposite Day
A Room of One’s Own Day
Fluoride Day
Macintosh Computer Day
National Irish Coffee Day

January 26

Lotus 1-2-3 Day
National Peanut Brittle Day
Spouse’s Day
Toad Hollow Day of Encouragement

January 27

Thomas Crapper Day
Auschwitz Liberation Day
National Chocolate Cake Day
Punch the Clock Day
Vietnam Peace Day

January 28

American Fancy Rat and Mouse Show 2017 – Canceled
National Kazoo Day
Daisy Day
Data Privacy Day
National Blueberry Pancake Day
Pop Art Day
Thank a Plugin Developer Day

January 29

Curmudgeon’s Day
Freethinkers Day
National Corn Chip Day
National Puzzle Day
Seeing Eye Dog Day
Thomas Paine Day

January 30

American Fancy Rat and Mouse Show – 2016
Bubble Wrap Appreciation Day – 2017
National Croissant Day
National Escape Day
School Day of Non-Violence and Peace
Yodel for Your Neighbors Day

January 31

Scotch Tape Day
Backward Day
Brandy Alexander Day
Eat Brussels Sprouts Day
Hell is Freezing Over Day
Hug an Economist Day
Inspire Your Heart with Art Day
National Hot Chocolate Day