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American Football
Animal Holidays
- Cow Appreciation Day
- Elephant Appreciation Day
- Hug Your Cat Day
- International Rabbit Day
- Learn about Butterflies Day
- Love Your Pet Day
- Monkey Day
- Mutt's Day
- National Bird Day
- National Dog Day
- National Escargot Day
- National Honey Bee Day
- National Pet Memorial Day
- National Pig Day
- National Sea Monkey Day
- Penguin Awareness Day
- Polar Bear Day
- Poultry Day
- Save the Rhino Day
- Squirrel Appreciation Day
- Take Your Dog to Work Day
- World Cat Day
- World Mosquito Day
- World Penguin Day
- World Snake Day
- World Sparrow Day
- World Turtle Day
Annual fairs
Appreciation Days
- 420 (Weed Day)
- Administrative Professionals' Day
- American Touch Tag Day
- Art's Birthday
- Aunt and Uncle Day
- Baby Day
- Barbershop Music Appreciation Day
- Beer Can Appreciation Day
- Birth Control Pill Day
- Book Lover's Day
- Boss's Day
- Boy Scout Day
- Brothers and Sisters Day
- Bunsen Burner Day
- Button Day
- Canadian Rivers Day
- Chimborazo Day
- Christmas Card Day
- Coast Guard Day
- Cousins Day
- Dentist's Day
- Dictionary Day
- Disneyland Day
- Ear Muff Day
- Eight Track Tape Day
- Electronic Greeting Card Day
- Embrace Your Geekness Day
- Employee Appreciation Day
- Esperanto Day
- European 112 Day
- European Day of Jewish Culture
- Ex Spouse Day
- Father-in-Law Day
- Felt Hat Day
- Ferris Wheel Day
- Fire Prevention Day
- Floral Design Day
- Fragrance Day
- Frankenstein Day
- Friendship Day
- German-American Day
- Global Forgiveness Day
- Goddess of Fertility Day
- Golfer's Day
- Hairstyle Appreciation Day
- Hammock Day
- Harmony Day
- Hobbit Day
- Houseplant Appreciation Day
- International Astrology Day
- International Cleaning Woman Day
- International Day of Families
- International Day of Pink
- International Dog Biscuit Appreciation Day
- International Fetish Day
- International Firefighters' Day
- International Francophonie Day
- International Friendship Day
- International Jazz Day
- International Juggler's Day
- International Midwives' Day
- International Migratory Bird Day
- International Mother Language Day
- International Museum Day
- International Puzzle Day
- International Romani Day
- International Scrapbooking Day
- International Skeptics Day
- International Surfing Day
- International Sweatpants Day
- International Tartan Day
- International Tuba Day
- Inventors' Day
- Jewel Day
- Kindergarten Day
- Learn About Composting Day
- Log Cabin Day
- Lost Sock Memorial Day
- Mad Hatter Day
- Meteor Day
- Middle Child's Day
- Military Spouse Day
- Miniature Golf Day
- Mother-In-Law Day
- National Aboriginal Day
- National Adoption Day
- National Anthem Day
- National Aviation Day
- National Battery Day
- National Catfish Day
- National Comic Book Day
- National Country Music Day
- National Day of Prayer
- National Doctor's Day
- National Flashlight Day
- National Golf Day
- National Good Neighbor Day
- National Grandparents Day
- National Handwriting Day
- National Hat Day
- National Kazoo Day
- National Lighthouse Day
- National Memo Day
- National Mud Pack Day
- National Non-Fiction Day
- National Nude Day
- National Nurses Day
- National Paper Airplane Day
- National Pharmacist Day
- National Philanthropy Day
- National Pink Day
- National Play Doh Day
- National Radio Day
- National Receptionist Day
- National Roof over Your Head Day
- National Science Day
- National Science Fiction Day
- National Siblings Day
- National Submarine Day
- National Tap Dance Day
- National Thrift Shop Day
- National Tourism Day
- National Tourist Appreciation Day
- National Video Games Day
- National Waiters and Waitresses Day
- National Weatherperson's Day
- National Women's Friendship Day
- National Yo-Yo Day
- Navy Day
- Newspaper Carrier Day
- Occult Day
- Old Rock Day
- Operating Room Nurse Day
- Parents' Day
- Physician Assistant Day
- Pi Approximation Day
- Pi Day
- Pistol Patent Day
- Plush Animal Lover's Day
- Poinsettia Day
- Public Domain Day
- Red Planet Day
- Relaxation Day
- Rubber Eraser Day
- Scrabble Day
- Senior Citizens Day
- Sewing Machine Day
- Sisters Day
- Skyscraper Day
- Software Freedom Day
- Son and Daughter Day
- Space Day
- Spouse's Day
- Submarine Day
- Sun Glasses Day
- Sunscreen Day
- Sweetest Day
- System Administrator Appreciation Day
- Tartan Day
- Techies Day
- Teddy Bear Day
- Tennis Day
- Thesaurus Day
- Towel Day
- Trivia Day
- Tv Talk Show Host Day
- Ugly Truck Day
- Umbrella Day
- Uncle Sam Day
- Video Games Day
- Violin Day
- Volunteer Recognition Day
- Waffle Iron Day
- Weed Appreciation Day
- White Lotus Day
- White T-Shirt Day
- Wikipedia Day
- Winnie the Pooh Day
- Work-a-holics Day
- Working Parents Day
- World Day of the Snowman
- World Doll Day
- World Gift Day
- World Graphics Day
- World Gratitude Day
- World Kiss Day
- World Laboratory Day
- World Marriage Day
- World Metrology Day
- World Music Day
- World Smile Day
- World UFO Day
- World Vegetarian Day
- Worship of Tools Day
- Yellow Pig Day
- Young Readers Day
Autumn holidays
Awareness days
- Amnesty International Day
- Black Awareness Day
- Buy Nothing Day
- Children’s Day in Germany
- Data Privacy Day
- Earth Hour
- Freedom of Information Day
- Insurance Awareness Day
- International Children's Day
- International Day Against Police Brutality
- International Day of No Prostitution
- International Day of the African Child
- International Day of the Disappeared
- International Day of Zero Tolerance to Female Genital Mutilation
- International Forgiveness Day
- International Missing Children's Day
- International Sex Workers' Day
- National Coming Out Day
- National Missing Children's Day
- National Organ Donor Day
- National Sanctity of Human Life Day
- National Stress Awareness Day
- Parental Alienation Awareness Day
- Self-injury Awareness Day
- Singles Awareness Day
- Spay Day USA
- Stay out of the Sun Day
- Wear Purple for Peace Day
- World Consumer Rights Day
- World Day Against Child Labour
- World Intellectual Property Day
- World Men’s Day
- World Peace Day
- World Toilet Day
- World Vegan Day
Bahá'í Faith
Birthdays and Death-Days
Buddhism
- Asalha Puja
- Avalokitesvara's Birthday
- Bodhi Day
- Buddha's Birthday
- Elephant Festival
- Festival of the Tooth
- Kathina Ceremony
- Khao Phansa Day
- Lohri
- Loy Krathong
- Madhu Purnima
- Magha Puja
- Makar Sankranti
- Parinirvana Day
- Ploughing Festival
- Songkran
- Ullambana
- Vesak
Calendar
Carnival holidays
Christianity
- All Saints
- All Souls' Day
- Ascension of Jesus
- Ash Wednesday
- Assumption of Mary
- Christmas
- Christmas Eve
- Christmas Season
- Corpus Christi
- Easter
- Easter Monday
- Easter Season
- Easter Triduum
- Easter Vigil
- Epiphany
- Feast of Annunciation
- Feast of Saint George
- Feast of Saint Wolfgang
- Feast of the Cross
- Feast of the Immaculate Conception
- Feast of the Sacred Heart
- Feast of the Transfiguration
- First Sunday of Advent
- Fourth Sunday of Advent
- Gaudete Sunday
- Good Friday
- Holy Saturday
- Holy Week
- Innocents' Day
- Lady Day
- Lent
- Little Christmas
- Mardi Gras
- Maundy Thursday
- Michaelmas
- Nativity of Mary
- Nativity of St. John the Baptist
- Octave of Easter
- Old Twelveth Night
- Palm Sunday
- Pentecost
- Presentation of Jesus at the Temple
- Presentation of Mary
- Reformation Day
- Saint Casimir's Day
- Saint David's Day
- Saint George's Day
- Saint James Day
- Saint Jonas' Festival
- Saint Joseph's Day
- Saint Lucy's Day
- Saint Nicholas Day
- Second Sunday of Advent
- Seven Sleepers Day
- St John's Eve
- St Piran's Day
- St. Andrew's Day
- St. Catherine's Day
- St. John's Day
- St. Lawrence Day
- St. Mark's Day
- St. Mark's Eve
- St. Martin's Day
- St. Patrick's Day
- St. Stephen's Day
- Third Sunday of Advent
- Trinity Sunday
- Twelfth Night
- Twelve Days of Christmas
- World Communion Sunday
- World Mission Sunday
Christmas holidays
Christmas market
City fairs
Civil Awareness Days
- Autism Sunday
- Blue Beanie Day
- Celebrate Bisexuality Day
- Christopher Street Day
- International Anti-Corruption Day
- International Civil Aviation Day
- International Day Against Homophobia and Transphobia
- International Day to End Violence Against Sex Workers
- International Lefthanders Day
- International Migrants Day
- International STAND UP to Bullying Day
- Intersex Awareness Day
- National Day of Encouragement
- National POW/MIA Recognition Day
- National Sorry Day
- White Cane Safety Day
Comedy
Commemorative Days
- 9/11 Day
- Aldersgate Day
- Amelia Earhart Day
- Cassinga Day
- Commemoration Day for the Fatalities in Pre-Deportation Detention
- Commemoration Day of Fallen Soldiers
- Commemoration of Atatürk, Youth and Sports Day
- Darwin Day
- Day of Remembrance in Cambodia
- Elbe Day
- German World Heritage Day
- Holocaust Memorial Day
- Idaho Human Rights Day
- International Workers' Day
- Landing of the 33 Patriots Day
- Language Movement Day
- Loyalty Day in Argentina
- Lyndon Baines Johnson Day
- Mabo Day
- Madaraka Day
- Malcolm X Day
- Mandela Day
- National Day of Remembrance for Victims of Terrorism
- Neither Rain nor Snow Day
- Pregnancy and Infant Loss Remembrance Day
- Ratification Day
- Remembrance of the Dead
- Ronald Reagan Day
- Rosa Parks Day
- Russian Germans Day
- Sally Ride Day
- The Day the Music Died
- Thinking Day
- Titanic Remembrance Day
- Truman Day
- Vimy Ridge Day
- Winston Churchill Day
Commemorative Months
- ALS Awareness Month
- American Archieves Month
- Asian Pacific American Heritage Month
- Asthma Awareness Month
- Black History Month
- Black History Month in the UK
- Caribbean American Heritage Month
- Celiac Awareness Month
- Confederate History Month
- Filipino American History Month
- Financial Literacy Month
- Haitian Heritage Month
- Irish American Heritage Month
- Jewish American Heritage Month
- LGBT History Month
- LGBT History Month in the UK
- LGBT Pride Month
- National Book Month
- National Breast Cancer Awareness Month
- National Bullying Prevention Month
- National Cyber Security Awareness Month
- National Disability Employment Awareness Month
- National Guide Dog Month
- National Hispanic Heritage Month
- National Honey Month
- National Mentoring Month
- National Pet Month
- National Poetry Month
- National Preparedness Month
- National Work and Family Month
- Polish American Heritage Month
- Sexual Assault Awareness Month
- South Asian Heritage Month
- Women's History Month
Concerts
- Aerosmith
- Alicia Keys
- American Idols Live
- Andrea Bocelli
- Beach Boys
- Beyonce
- Billy Joel
- Black Eyed Peas
- Bob Dylan
- Bob Seger
- Bon Jovi
- Britney Spears
- Bruno Mars
- Celine Dion
- Cher
- Coldplay
- Def Leppard
- Drake
- Ellie Goulding
- Elton John
- Foo Fighters
- Fun
- Guns N' Roses
- Janet Jackson
- Jay Z
- Justin Bieber
- Justin Timberlake
- Kanye West
- Katy Perry
- Kelly Clarkson
- Kid Rock
- Kiss
- Kylie Minogue
- Lady Gaga
- Lenny Kravitz
- Linkin Park
- Madonna
- Marilyn Manson
- Maroon 5
- Matchbox Twenty
- Metallica
- Michael Buble
- Miley Cyrus
- New Kids on the Block
- Nickelback
- Nicki Minaj
- One Direction
- Paul McCartney
- Paul Simon
- Pearl Jam
- Pink
- Radiohead
- Rammstein
- Red Hot Chili Peppers
- Rihanna
- Rod Stewart
- Roger Waters
- Rolling Stones
- Sting
- Taylor Swift
- The Eagles
- Train
- U2
- Van Halen
Daylight saving time
Easter holidays
Entertainment
Environmental Days
- America Recycles Day
- Earth Day
- Fossil Fools Day
- Global Wind Day
- International Day for Biological Diversity
- International Day for Natural Disaster Reduction
- International Day for the Preservation of the Ozone Layer
- International Mountain Day
- International Plant Appreciation Day
- Peach Blossom Day
- Plant a Flower Day
- Primrose Day
- Red Rose Day
- Water a Flower Day
- World Animal Day
- World Car Free Day
- World Environment Day
- World Oceans Day
- World Population Day
- World Rivers Day
- World Water Day
- World Wetlands Day
Feasts and observances
- April Fools' Day
- Cambodian New Year
- Courir de Mardi Gras
- Father's Day
- Festivus
- Fête de la Musique
- Fruitcake Toss Day
- Halloween
- Japanese New Year
- July Morning
- La Tomatina
- New Year's Eve
- Rose Monday
- Thanksgiving in Canada
- Valentine's Day
- Vietnamese New Year
- Walpurgis Night
- Weiberfastnacht
Federal holidays in the U.S.
- Columbus Day
- Inauguration Day
- Independence Day (4th of July)
- Labor Day
- Martin Luther King Day
- Memorial Day
- New Year's Day
- Thanksgiving
- Veterans Day
- Washington's Birthday
Folk festivals
Food Holidays
- Applesauce Cake Day
- Beer Day in Iceland
- Beverage Day
- Bittersweet Chocolate with Almonds Day
- Black Forest Cake Day
- Bloody Mary Day
- Brandied Fruit Day
- Canberra Day
- Caramel Day
- Caramel Popcorn Day
- Cereal Day
- Cheese Pizza Day
- Cherry Pie Day
- Chocolate Cake Day
- Chocolate Day
- Chocolate Milk Shake Day
- Chocolate Mint Day
- Corn Fritters Day
- Creative Ice Cream Flavors Day
- Day of German Butterbrot
- Deviled Egg Day
- Eat Your Vegetables Day
- Fortune Cookie Day
- Fresh Spinach Day
- Fresh Veggies Day
- Frozen Food Day
- Homemade Bread Day
- Ice Cream Day
- Iced Tea Day
- International Beer Day
- International Coffee Day
- Melon Day
- Milk Chocolate with Almonds Day
- Moldy Cheese Day
- National Absinthe Day
- National Angel Food Cake Day
- National Apple Dumpling Day
- National Apple Pie Day
- National Bicarbonate of Soda Day
- National Blonde Brownie Day
- National Bologna Day
- National Brownie Day
- National Buttercrunch Day
- National Butterscotch Pudding Day
- National Candied Orange Peel Day
- National Candy Corn Day
- National Cashew Day
- National Caviar Day
- National Cheeseburger Day
- National Cheesecake Day
- National Cherries Jubilee Day
- National Chip and Dip Day
- National Chocolate Chip Day
- National Chocolate Covered Anything Day
- National Chocolate Covered Raisin Day
- National Chocolate Day
- National Chocolate Eclair Day
- National Chocolate Ice Cream Day
- National Cornchip Day
- National Corndog Day
- National Cotton Candy Day
- National Cream-Filled Donut Day
- National Creamsicle Day
- National Date Nut Bread Day
- National Dessert Day
- National Doughnut Day
- National Eggnog Day
- National Eggs Benedict Day
- National Frappe Day
- National Fried Chicken Day
- National Fritters Day
- National Fruitcake Day
- National Garlic Day
- National Gumdrop Day
- National Hoagie Day
- National Hot Dog Day
- National Ice Cream Day
- National Ice Cream Pie Day
- National Ice Cream Sandwich Day
- National Indian Pudding Day
- National Jelly Bean Day
- National Junk Food Day
- National Lasagna Day
- National Lemon Cupcake Day
- National Macaroon Day
- National Maple Syrup Day
- National Martini Day
- National Milk Chocolate Day
- National Mustard Day
- National Noodle Ring Day
- National Nut Day
- National Parfait Day
- National Pastry Day
- National Peanut Butter and Jelly Day
- National Peanut Day
- National Pecan Day
- National Pie Day
- National Pistachio Day
- National Popcorn Day
- National Potato Chip Day
- National Pretzel Day
- National Prime Rib Day
- National Pumpkin Cheesecake Day
- National Pumpkin Pie Day
- National Punch Day
- National Raspberry Cake Day
- National Raspberry Cream Pie Day
- National Roast Suckling Pig Day
- National Rocky Road Day
- National S'mores Day
- National Sangria Day
- National Shrimp Scampi Day
- National Strawberry Sundae Day
- National Sugar Cookie Day
- National Tortilla Chip Day
- National Trail Mix Day
- National Watermelon Day
- National Zucchini Bread Day
- New Beer's Eve
- Oatmeal Muffin Day
- Oyster Day
- Peach Ice Cream Day
- Pecan Day
- Pecan Pie Day
- Pepper Pot Day
- Pig in a Blanket Day
- Plum Pudding Day
- Sandwich Day
- Something on a Stick Day
- Spanish Paella Day
- Tapioca Pudding Day
- Toasted Marshmallow Day
- Vanilla Ice Cream Day
- Waffle Day
- World Egg Day
- World Pasta Day
Fun Holidays
- Absolutely Incredible Kids Day
- Ask a Stupid Question Day
- Backward Day
- Bake Cookies Day
- Bathtub Party Day
- Be a Millionaire Day
- Be an Angel Day
- Be Late for Something Day
- Blah, Blah, Blah Day
- Bubble Bath Day
- Build A Scarecrow Day
- Buy a Musical Instrument Day
- Card Playing Day
- Carve a Pumpkin Day
- Chaos Never Dies Day
- Chicken Soup for the Soul Day
- Clean Your Refrigerator Day
- Cook Something Bold Day
- Create a Vacuum Day
- Crush a Can Day
- Dance Like a Chicken Day
- Did-You-Fart?-Day
- Do a Grouch a Favor Day
- Do Something Nice Day
- Don't Cry Over Spilled Milk Day
- Don't Go to Work Unless it's Fun Day
- Dumbstruck Day
- Eat a Cranberry Day
- Eat a Red Apple Day
- Eat What You Want Day
- Everything You Do is Right Day
- Everything You Think is Wrong Day
- Fight Procrastination Day
- Find a Rainbow Day
- Flip a Coin Day
- Frankenstein Friday
- Fun at Work Day
- Get a Different Name Day
- Go Caroling Day
- Go For a Ride Day
- Go Skateboarding Day
- Have a Bad Day Day
- Have a Party With Your Bear Day
- Humbug Day
- I am in Control Day
- I Forgot Day
- I Want You to be Happy Day
- Ice Cream Soda Day
- If Pets Had Thumbs Day
- Increase Your Psychic Powers Day
- International Fun at Work Day
- International Joke Day
- International Moment of Laughter Day
- International Talk Like a Pirate Day
- Jump-up Day
- Just Because Day
- Kiss Your Mate Day
- Kite Flying Day
- Lazy Day
- Look Alike Day
- Look for Circles Day
- Look up at the Sky Day
- Love a Tree Day
- Make a Friend Day
- Make Cut Out Snowflakes Day
- Make Up Your Mind Day
- Make Up Your Own Holiday Day
- Moment of Frustration Day
- Name Your Car Day
- Name Your Poison Day
- National Bike to Work Day
- National Dress Up Your Pet Day
- National Goof Off Day
- National High Five Day
- National Hug Day
- National Inane Answering Message Day
- National Nothing Day
- National Sleepy Head Day
- National Tell a Joke Day
- National Tell a Story Day
- No Brainer Day
- No Dirty Dishes Day
- No Pants Day
- No Socks Day
- Open Your Umbrella Indoors Day
- Opposite Day
- Pick Strawberries Day
- Play God Day
- Play in the Sand Day
- Positive Thinking Day
- Public Sleeping Day
- Punk for a Day Day
- Reach as High as You Can Day
- Ride the Wind Day
- Run it up the Flagpole and See if Anyone Salutes Day
- Santas' List Day
- Send a Card to a Friend Day
- Sneak Some Zucchini onto Your Neighbor's Porch Day
- Square Dance Day
- Star Wars Day
- Steak and BJ Day
- Step in a Puddle and Splash Your Friend's Day
- Swim a Lap Day
- Take A Hike Day
- Take a Walk in the Park Day
- Take Your Pants for a Walk Day
- Take Your Teddy Bear to Work Day
- Teddy Bear Picnic Day
- Tell a Fairy Tale Day
- Tell a Lie Day
- Tell a Story Day
- Threading the Needle Day
- Visit Your Relatives Day
- Walk Around Things Day
- Walking the Dog Day
- Wave All Your Fingers at Your Neighbor Day
- Wear Brown Shoes Day
- Wear Something Gaudy Day
- World Hello Day
- World Laughter Day
- World Party Day
- World Storytelling Day
Funfair
Health Awareness Days
- Autistic Pride Day
- Child Health Day
- Chronic Fatigue Syndrome Day
- DNA day
- Global Handwashing Day
- International Day against Drug Abuse and Illicit Trafficking
- International Day of People with Disability
- International No Diet Day
- International Nurses Day
- International Stuttering Awareness Day
- Multiple Personality Day
- National Cancer Survivors Day
- National Wear Red Day
- Rare Disease Day
- Toothache Day
- Virus Appreciation Day
- World AIDS Day
- World AIDS Vaccine Day
- World Asthma Day
- World Autism Awareness Day
- World Blood Donor Day
- World Brain Tumor Day
- World Cancer Day
- World Day for Safety and Health at Work
- World Diabetes Day
- World Down Syndrome Day
- World Food Day
- World Hand Hygiene Day
- World Health Day
- World Hemophilia Day
- World Hepatitis Day
- World Kidney Day
- World Leprosy Day
- World Malaria Day
- World Mental Health Day
- World No Tobacco Day
- World Osteoporosis Day
- World Pneumonia Day
- World Prematurity Day
- World Rabies Day
- World Red Cross and Red Crescent Day
- World Suicide Prevention Day
- World Tuberculosis Day
- World Vitiligo Day
Historic Events
Holidays
- Constitution Day in South Korea
- Fiesta Nacional de España
- Independence Day of Cyprus
- Independence Day of Myanmar
- Independence Day of the Republic of Macedonia
- Independence of Croatia
- Indian Republic Day
- Koningsdag
- Mexican Independence Day
- Mother's Day
- National Day of Catalonia
- National Day of Singapore
- National Day of the People's Republic of China
- National Day of the Republic of China
- National Day of Vietnam
- Swiss National Day
Holidays in Canada
Holidays in China
Holidays in Germany
Holidays in Mexico
Holidays in New Zealand
Holidays in Russia
Holidays in the United States
- Flag Day
- Groundhog Day
- Lincoln's Birthday
- Patriot Day
- Pearl Harbor Remembrance Day
- Women's Equality Day
International observances
Jewish holidays
- Hanukkah
- Hoshana Rabbah
- Jerusalem Day
- Passover
- Purim
- Rosh Hashanah
- Shavuot
- Sukkot
- Tu Bishvat
- Yom Kippur
Leap days
Lunar eclipses
Mass event
Meteor showers
- Leonids
- Peak of Leonid meteor shower
- Peak of Perseid meteor shower
- Peak of Quadrantid meteor shower
- Perseids
- Quadrantids
Moon phases
Music festivals
Muslim Holidays
- Day of Arafah
- Day of Ashura
- Day of the sacrifice
- Days of the Joy
- Eid al-Adha
- Eid al-Fitr
- First Day of Hajj
- Hajj
- Laylat al Barat
- Laylat al-Qadr
- Leilat al-Meiraj
- Ramadan
- The Prophet's Birthday (Mawlid an-Nabi)
Name days
National Days
- Icelandic National Day
- Independence and Unity Day of Slovenia
- Independence Day of Finland
- National Day of Sweden
- National Day of the United Arab Emirates
- Portugal Day
- Russia Day
Natural events
Observances
- Ōmisoka
- 20-N
- Advocate's Day
- African Liberation Day
- Afro-Colombian Day
- Alabama Day
- Alaska Day
- Alphabet Day in North Korea
- Altagracia Day
- American Business Women's Day
- Andean-Amazonic New Year
- Angam Day
- Anti-Fascist Struggle Day
- Anzac Day
- Arbor Day
- Armed Forces Day
- Armed Forces Day in Bangladesh
- Armed Forces Flag Day
- Armistice Day
- Australia Day
- Australian Citizenship Day
- Australian National Flag Day
- Aztec New Year
- Baba Marta Day
- Baltic Freedom Day
- Barbershop Quartet Day
- Bastille Day
- Bataan Day
- Bean Day
- Beautician's Day
- Beautiful Day
- Berchtoldstag
- Bermuda Day
- Big Wind Day
- Bill of Rights Day
- Birth Mother's Day
- Black Day
- Black Friday
- Blasphemy Day
- Bonfire Night
- Boxing Day
- Boy's Club Day
- Brazilian Day
- Bridge Day
- Burns Supper
- Calan Gaeaf
- California Admission Day
- Camera Day
- Canada Book Day
- Canada Day
- Carl Garner Federal Lands Cleanup Day
- Casimir Pulaski Day
- Castleton Garland Day
- Cesar Chavez Day
- Checkers Day
- Cities for Life Day
- Citizenship Day
- Civic Holiday
- Clean Up Australia Day
- Co Trach festival
- Cold Food Festival
- Coming of Age Day
- Commonwealth Day
- Conflict Resolution Day
- Confucius Day
- Constitution Day
- Constitution Memorial Day
- Construction Holiday
- Conversion of Paul the Apostle
- Culinarians Day
- Culture Day
- Culture Freedom Day
- Dare Day
- Day of Missile Forces and Artillery
- Day of Mourning in the U.S.
- Day of Prayer for the Peace of Jerusalem
- Day of Private Reflection
- Day of Reconciliation
- Day of Remembrance for Truth and Justice
- Day of the Dead
- Day of the German-speaking Community of Belgium
- Day of the Imprisoned Writer
- Day of the Little Candles
- Day of Unity of Ukraine
- Defenders Day
- Defy Superstition Day
- Delhi Republic Day parade
- Devil's Night
- Día de la Chupina
- Disobedience Day
- Distaff Day
- Dog in Politics Day
- Dominion Day
- Dongzhi Festival
- Dormition fast
- Dragobete
- Dunce Day
- Dydd Santes Dwynwen
- Dyngus Day
- Egyptian Revolution Day
- El Buen Fin
- Election Day in the United States
- Els Enfarinats
- Ely Eel Day
- Emma M. Nutt Day
- Engineer's Day in India
- Engineer's Day in Romania
- Enkutatash
- Errol Barrow Day
- EU Talent Day
- Europe Day
- European Day of Languages
- European Day of Remembrance for Victims of Stalinism and Nazism
- Evacuation Day in Massachusetts
- Evacuation Day in New York
- Evacuation Day in Syria
- Extraterrestrial Abductions Day
- Family Day
- Feast of Lanterns
- Feast of the Dormition
- Feast of the Holy Sovereigns
- Festa do Rosário
- Festival of Sleep Day
- Fiestas Patrias
- Finnish Swedish Heritage Day
- First Night
- Flemish Community Day
- Fool's Paradise Day
- Forefather's Day
- Fraternal Day
- Freedom Day in Belarus
- Freedom Day in South Africa
- Freethought Day
- Frog Jumping Day
- Furry Dance
- Gaecheonjeol
- Gandhi Jayanti
- General Pulaski Memorial Day
- Genocide Remembrance Day
- German Harvest Festival
- Gibraltar National Day
- Girl Scout Leader Day
- Girl Scouts Day
- Golowan Festival
- Great American Smokeout
- Great Union Day in Romania
- Greenery Day
- Grounation Day
- Gustav Adolfsdagen
- Gwangbokjeol
- Hōnen Matsuri
- Hallowmas Season
- Handsel Monday
- Hangul Day
- Hari Merdeka
- Harvey Milk Day
- Hawaii Admission Day
- Helsinki Day
- Heritage Day in South Africa
- Hermit Day
- Hidirellez
- Hinamatsuri
- Holy Experiment Day
- Hong Kong Special Administrative Region Establishment Day
- Hoodie Hoo Day
- Hop-tu-Naa
- Housewife's Day
- HumanLight
- Humiliation Day
- Ice Saints
- Ides of March
- Independence Day of Eritrea
- Independence Day of India
- Independence Day of Niger
- Independence Day of Pakistan
- Independence Day of the Republic of Moldova
- Independence Day of Ukraine
- Indian Army Day
- Indonesia National Education Day
- International Children's Book Day
- International Day For Monuments and Sites
- International Day to End Impunity
- International Justice Day
- International Men's Day
- International Pixel-Stained Technopeasant Day
- International Right to Know Day
- International Students' Day
- International Sweater Vestival
- International Tatting Day
- International Translation Day
- International Women’s Day
- Inventors' Day in Argentina
- Iris Day
- Jāņi
- Jamhuri Day
- Jeûne genevois
- Johnny Appleseed Day
- Juneteenth
- Kakizome
- Kamehameha Day
- Kargil Vijay Diwas
- Karnataka Rajyotsava
- Kha b-Nisan
- King Tut Day
- Knabenschiessen
- Kodomo no Hi
- Koninkrijksdag
- Kupala Night
- Kwanzaa
- La Guiannee
- Labor Thanksgiving Day
- Lame Duck Day
- Lammas
- Land Day
- Lao New Year
- Law Day, U.S.A.
- Leif Erikson Day
- Leprechaun Day
- Liberation Day in Jersey
- Liberation Day in Lebanon
- Liberation Day in Netherlands
- Light It Up Blue
- Limba noastră
- Limerick Day
- Lincolnshire Day
- Loyalty Day
- Lughnasadh
- Lumpy Rug Day
- Madras Day
- Maharashtra Day
- Male Watcher's Day
- Malvinas Day
- Marine Day
- Marmot Day
- Martyrs' Day in Afghanistan
- Martyrs' Day in Albania
- Martyrs' Day in Lebanon and Syria
- Maryland Day
- Mattu Pongal
- Mayflower Day
- Memorial Day in Newfoundland and Labrador
- Minden Day
- Mitten Tree Day
- Mixed Race Day
- Mole Day
- Moon Day
- Mother Goose Day
- Mujahideen Victory Day
- Mummer's Day
- Namibia Day
- National Acadian Day
- National Airborne Day
- National Beheading Day
- National Bouillabaisse Day
- National Bubba Day
- National Clam on the Half Shell Day
- National Columnists Day
- National Crown Roast of Pork Day
- National Custodial Worker Day
- National Day of Galicia
- National Day of Mourning in Canada
- National Day of Reason
- National Defense Transportation Day
- National East meets West Day
- National Foundation Day
- National Freedom Day
- National Freedom to Marry Day
- National Heroes Day in Saint Kitts and Nevis
- National Holiday of Quebec
- National Hollerin' Contest Day
- National Librarian Day
- National Mills Day
- National Mincemeat Day
- National Mom and Pop Business Owners Day
- National Peacekeepers' Day
- National Punctuation Day
- National Quilting Day
- National Salesperson Day
- National Splurge Day
- National Survivors of Suicide Day
- National Tom Sawyer Days
- National veterans' day in Finland
- National Women's Day
- Native American Day
- Navidad
- Near Miss Day
- Night of the Radishes
- Ninoy Aquino Day
- Norwegian Constitution Day
- Nostalgia Night
- Nowruz
- Occupation of the Latvian Republic Day
- October Holiday
- Odisha Day
- Ólavsøka
- Old Farmer's Day
- Old Maid's Day
- Old New Year
- Olsok
- OneWebDay
- Our Lady of Andacollo
- Pack Rat Day
- Pan American Aviation Day
- Pandemonium Day
- Pão-por-Deus
- Pardon Day
- Patriots' Day
- Paul Bunyan Day
- Peace Officers Memorial Day
- Peculiar People Day
- Picnic Day in Australia
- Pioneer Day in Utah
- Plan Your Epitaph Day
- Pohela Boishakh
- Powder Day
- Presidents' Day in Botswana
- Prince Kūhiō Day
- Prince Rainier Day
- Punkie Night
- Queensland Day
- Racial Harmony Day
- Racial Justice Sunday
- Ratcatcher's Day
- Reconciliation Day
- Record Store Day
- Recreation Day holiday
- Red Hand Day
- Reek Sunday
- Remembrance Day of Journalists Killed in the Line of Duty
- Renewal Day
- Repeal Day
- Repentance Day
- Republic Day of Niger
- Republic Day of Turkey
- Respect for the Aged Day
- Return Day
- Reunification Day in Vietnam
- Richter Scale Day
- Robert E. Lee Day
- Roots Day
- Rotuma Day
- Russian Unity Day
- Saba Saba Day
- Sadie Hawkins Day
- Samhain
- San Fermín
- San Jacinto Day
- Saragarhi Day
- Savior of the Apple Feast Day
- Saxophone Day
- School Day of Non-violence and Peace
- School Librarian Day
- Season for Nonviolence
- Serfs Emancipation Day
- Setsubun
- Sette Giugno
- Seward's Day
- Shōwa Day
- Shichi-Go-San
- Shopping Reminder Day
- Sidewalk Egg Frying Day
- Silence Day
- Sinterklaas
- Smoke and Mirrors Day
- Sorry Charlie Day
- Soviet Occupation Day in Georgia
- Spring Day in Argentina
- St. Knut's Day
- Statehood Day in Lithuania
- Statehood Day in Montenegro
- Statehood Day in Serbia
- Statehood Day of Croatia
- Statehood Day of Slovenia
- Step Family Day
- Supreme Sacrifice Day
- Sussex Day
- Taiwan Retrocession Day
- Tanabata
- Tatiana Day
- The Emperor's Birthday
- The Twelfth
- Tibetan Uprising Day
- Tom Bawcock's Eve
- Transfer Day
- Transgender Day of Remembrance
- Triumph of the Revolution
- Twins Days Festival
- Tynwald Day
- Typing Day
- UnFreedom Day
- Unification Day of Bulgaria
- Unification Day of Cameroon
- Union Dissolution Day
- United States National Maritime Day
- USMC Day
- Valborgskalaset
- VE-Day
- Vernal Equinox Day
- Vesuvius Day
- Veterans Day in Norway
- Victory Day in Croatia
- Victory over Japan Day
- Waterloo ceremony
- Waterloo Day
- West Virginia Day
- Western Australia Day
- White Day
- White Ribbon Day
- Whuppity Scoorie Day
- Workers’ Memorial Day
- World Book Day in the United Kingdom
- World Day for Cultural Diversity for Dialogue and Development
- World Day of Peace
- World Day of Prayer
- World Freedom Day
- World Freedom Day in the U.S.
- World Humanist Day
- World Kindness Day
- World Puppetry Day
- World Sauntering Day
- World Savings Day
- World Usability Day
- Wren Day
- Wright Brothers Day
- X-Day
- Yalda
- Yom Ha'atzmaut
- Youm-e-Takbir
- Youth Day in Albania
- Youth Day in Angola
- Youth Day in Cameroon
- Youth Day in India
- Youth Day in Morocco
- Youth Day in Pakistan
- Youth Day in Singapore
- Youth Day in South Africa
- Youth Day in Thailand
- Youth Day in Tunisia
- Youth Day in Venezuela
- Youth Day in Zambia
Olympia
Recurring events
- Constitution Day in Slovakia
- Constitution Day of Ukraine
- First Quarter
- Fourth Quarter
- Internet Friends Day
- Second Quarter
- Start of Fifth Season in Germany
- Third Quarter
Religious feasts and customs
Reminder
School holidays
Seasons
- Autumnal equinox
- Beginning of meteorological autumn
- Beginning of meteorological spring
- Beginning of meteorological summer
- Beginning of meteorological winter
- First day of spring
- Last Day of Summer
- Summer Solstice
- Winter Solstice
Soccer
Solar Eclipses
Sports
Summer holidays
Theatrical releases
Time events
Trade fairs
TV
United Nations days
- Africa Industrialization Day
- Human Rights Day
- International Dance Day
- International Day against Nuclear Tests
- International Day for the Elimination of Racial Discrimination
- International Day for the Elimination of Violence against Women
- International Day for the Eradication of Poverty
- International Day for Tolerance
- International Day of Democracy
- International Day of Innocent Children Victims of Aggression
- International Day of Non-Violence
- International Day of Older Persons
- International Day of Peace
- International Day of Solidarity with the Palestinian People
- International Day of the World's Indigenous People
- International Day of United Nations Peacekeepers
- International Holocaust Remembrance Day
- International Literacy Day
- International Youth Day
- UN Russian Language Day
- United Nations Day
- Universal Children's Day
- World Book and Copyright Day
- World Day of Remembrance for Road Traffic Victims
- World Day to Combat Desertification and Drought
- World Development Information Day
- World Habitat Day
- World Humanitarian Day
- World Information Society Day
- World Philosophy Day
- World Poetry Day
- World Press Freedom Day
- World Radio Day
- World Refugee Day
- World Teachers' Day
- World Television Day
- World Tourism Day
- Zero Discrimination Day
United Nations observances
- Day of Remembrance for all Victims of Chemical Warfare
- Day of the Seafarer
- Global Day of Parents
- International Albinism Awareness Day
- International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
- International Day for the Abolition of Slavery
- International Day for the Remembrance of Slave Trade and of its Abolition
- International Day for the Right to the Truth Concerning Gross Human Rights Violations and for the Dignity of Victims
- International Day for the Total Elimination of Nuclear Weapons
- International Day in Support of Victims of Torture
- International Day of Charity
- International Day of Forests
- International Day of Happiness
- International Day of Human Space Flight
- International Day of Mine Awareness and Assistance in Mine Action
- International Day of Reflection on the Genocide in Rwanda
- International Day of Remembrance of Victims of Slavery and Transatlantic Slave Trade
- International Day of Rural Women
- International Day of Solidarity with Detained and Missing Staff Members
- International Day of Sport for Development and Peace
- International Day of the Girl Child
- International Day of Yoga
- International Day to End Impunity for Crimes against Journalists
- International Day to End Obsteric Fistula
- International Human Solidarity Day
- International Volunteer Day
- International Widows Day
- Public Service Day
- UN Arabic Language Day
- UN Chinese Language Day
- UN English Language Day
- UN French Language Day
- UN Spanish Language Day
- United Nations Day for South-South Cooperation
- United Nations' International Day of Persons with Disabilities
- World Cities Day
- World Day against Trafficking in Persons
- World Day for Audiovisual Heritage
- World Day of Social Justice
- World Elder Abuse Awareness Day
- World Maritime Day
- World Meteorological Day
- World Post Day
- World Science Day for Peace and Development
- World Soil Day
- World Wildlife Day
Various
Village fairs
Weird Holidays
- Absurdity Day
- All is Ours Day
- All or Nothing Day
- Babbling Day
- Bad Poetry Day
- Bald and Free Day
- Be Bald and Free Day
- Be Humble Day
- Be Nasty Day
- Best Friends Day
- Blue Monday
- Card Reading Day
- Celebrate your Unique Talent Day
- Cheer up the Lonely Day
- Clean Out Your Computer Day
- Clean up Your Room Day
- Collect Rocks Day
- Come and Take it Day
- Compliment Day
- Compliment Your Mirror Day
- Cookbook Launch Day
- Count Your Buttons Day
- Cuddle Up Day
- Curious Events Day
- Different Colored Eyes Day
- Ditch New Years Resolutions Day
- Draw A Bird Day
- Evaluate Your Life Day
- False Confession Day
- Feast of Fabulous Wild Men Day
- Forget-Me-Not Day
- Forgiveness Day
- Free Comic Book Day
- Geek Pride Day
- Go Fishing Day
- Go for Broke Day
- Great Poetry Reading Day
- Health and Sports Day
- Home Movie Day
- Honesty Day
- Hug a GI Day
- Hug a Newsman Day
- Hug an Australian Day
- Hug Holiday
- Inspire Your Heart with Art Day
- International Frugal Fun Day
- International Panic Day
- It's My Party Day
- Kiss and Make Up Day
- Look for an Evergreen Day
- Look on the Bright Side Day
- Lover's Day
- Loving Day
- Lucky Penny Day
- Make a Difference Day
- Make a Hat Day
- Make Your Bed Day
- Make Your Dream Come True Day
- Make Your Own Head Day
- Marooned without a Compass Day
- Measure Your Feet Day
- More Herbs, Less Salt Day
- Name Yourself Day
- National Ding-a-Ling Day
- National Gardening Exercise Day
- National Walk to Work Day
- No Beard Day
- No Housework Day
- No News is Good News Day
- Old Stuff Day
- Panic Day
- Peanut Butter Lovers' Day
- Pet Owners Independence Day
- Pins and Needles Day
- Popcorn Lover's Day
- Presidential Joke Day
- Proposal Day
- Punch the Clock Day
- Put on your own Shoes Day
- Race Your Mouse Day
- Random Acts of Kindness Day
- Read a Book Day
- Save Your Hearing Day
- See You at the Pole
- Smile Power Day
- Stay At Home Because You Are Well Day
- Swap Ideas Day
- Take a Chance Day
- Take it in the Ear Day
- Take Our Daughters and Sons to Work Day
- Thank a Mailman Day
- Tolkien Reading Day
- Unlucky Day
- Wiggle Your Toes Day
- Work Like a Dog Day
- World Letter Writing Day
- You're Welcome Day