Saturday, October 1

• International Day of Older Persons

• International Coffee Day

• National Pumpkin Spice Day

• Balloons Around the World Day

• International Music Day

• World Vegetarian Day

• CD Player Day

• Chinese National Day

• Frugal Fun Day

• National Black Dog Day

• National Fire Pup Day

• National Hair Day

• National Homemade Cookies Day

• National Lace Day

• World Card Making Day

• World Ballet Day

• Durga Puja Begins

Sunday, October 2

• International Day of Non-Violence

• National Custodian Day

• National Name Your Car Day

• National Fried Scallops Day

• Guardian Angels Day

• Change A Light Day

• World Communion Sunday

Monday, October 3

• Butterfly and Hummingbird Day

• "Mean Girls" Day

• National Techies Day

• World Architecture Day

• National Unity Day

• National Consignment Day

• National Child Health Day

• National Boyfriend Day

• World Habitat Day

• Tuesday, October 4

• National Cinnamon Roll Day

• National Taco Day

• National Vodka Day

• World Animal Day

• National Fruit at Work Day

• National Golf Lovers Day

• Improve Your Office Day

• Feast of Saint Francis of Assisi

• Yom Kippur Begins

• Wednesday, October 5

• Dasara

• National Be Nice Day

• World Teachers Day

• National Walk and Bike to School Day

• National Pumpkin Seed Day

• National Kale Day

• National Do Something Nice Day

• National Apple Betty Day

• International Walk to School Day

• National Get Funky Day

• Thursday, October 6

• National Mad Hatter Day

• National Depression Screening Day

• National German-American Day

• National Noodle Day

• World Cerebral Palsy Day

• National Plus Size Appreciation Day

• National Transfer Money to Your Daughter Day

• Bring Your Bible to School Day

• National Coaches Day

• National Orange Wine Day

• Friday, October 7

• World Smile Day

• You Matter to Me Day

• National Forgiveness & Happiness Day

• National Inner Beauty Day

• National Frappe Day

• National Chocolate Covered Pretzel Day

• Manufacturing Day

• Kids Music Day

• National LED Light Day

• Saturday, October 8

• International Lesbian Day

• National Flutternutter Day

• World Octopus Day

• National Pierogi Day

• American Touch Tag Day

• I Love Yarn Day

• National Chess Day

• Milad an-Nabi (Mawlid)

• Sunday, October 9

• Pastor Appreciation Day

• Leif Erikson Day

• World Hospice and Palliative Care Day

• National Moldy Cheese Day

• International Beer and Pizza Day

• World Post Day

• Sukkot Begins

• Monday, October 10

• World Mental Health Day

• Indigenous Peoples' Day

• Columbus Day

• National Kick Butt Day

• World Porridge Day

• World Day Against The Death Penalty

• National Online Bank Day

• World Homeless Day

• National Hug a Drummer Day

• International Stage Management Day

• National Angel Food Cake Day

• National Handbag Day

• National Cake Decorating Day

• Tuesday, October 11

• National Coming Out Day

• National Face Your Fears Day

• National Sausage Pizza Day

• International Day of the Girl Child

• Southern Food Heritage Day

• It's My Party Day

• Wednesday, October 12

• Farmers Day

• National Savings Day

• National Stop Bullying Day

• World Arthritis Day

• National Take Your Parents To Lunch Day

• National Pet Obesity Day

• National Pulled Pork Day

• National Freethought Day

• National Gumbo Day

• Emergency Nurses Day

• National Fossil Day

• National Curves Day

• Thursday, October 13

• International Day for Disaster Reduction

• Metastatic Breast Cancer Awareness Day

• U.S. Navy Birthday

• World Sight Day

• National Yorkshire Pudding Day

• National Transfer Money to Your Son Day

• National No Bra Day

• National M&M Day

• National Herpes Awareness Day

• International Day for Failure

• English Language Day

• International Skeptics Day

• Ada Lovelace Day

• Friday, October 14

• National Dessert Day

• World Egg Day

• Be Bald and Be Free Day

• World Standards Day

• Saturday, October 15

• Global Handwashing Day

• National Pregnancy and Infant Loss Remembrance Day

• National Latino AIDS Awareness Day

• National Grouch Day

• Universal Music Day

• Sweetest Day

• National Mushroom Day

• National "I Love Lucy" Day

• International Day of Rural Women

• White Cane Safety Day

• National Aesthetician Day

• National Fetch Day

• National Shawarma Day

• Sunday, October 16

• Global Cat Day

• World Food Day

• World Spine Day

• Dictionary Day

• National Liqueur Day

• Boss's Day

• National Feral Cat Day

• National Sports Day

• Monday, October 17

• Black Poetry Day

• National Pasta Day

• National Pay Back a Friend Day

• National Clean Your Virtual Desktop Day

• Boss's Day

• International Day for the Eradication of Poverty

• Simchat Torah Begins

• Tuesday, October 18

• World Menopause Day

• National No Beard Day

• National Pharmacy Technician Day

• Health Care Aide Day

• National Pharmacy Technician Day

• National Chocolate Cupcake Day

• Wednesday, October 19

• National New Friends Day

• LGBT Center Awareness Day

• International Pronouns Day

• National Medical Assistants Day

• World Pediatric Bone and Joint Day

• Support Your Local Chamber of Commerce Day

• National Seafood Bisque Day

• Evaluate Your Life Day

• Day of Unity

• Thursday, October 20

• International Chefs Day

• National Chicken and Waffles Day

• International Sloth Day

• World Osteoporosis Day

• Spirit Day

• National Day on Writing

• Conflict Resolution Day

• National Get Smart About Credit Day

• Get to Know Your Customers Day

• National Youth Confidence Day

• Friday, October 21

• National Mammography Day

• National Pumpkin Cheesecake Day

• International Day of the Nacho

• "Back to the Future" Day

• Celebration of the Mind Day

• National Apple Day

• National Reptile Awareness Day

• National Pets for Veterans Day

• Saturday, October 22

• International Stuttering Awareness Day

• Make a Difference Day

• National Nut Day

• Sunday, October 23

• National Boston Cream Pie Day

• National Paralegal Day

• National Mole Day

• National Croc Day

• National iPod Day

• Monday, October 24

• National Food Day

• National Bologna Day

• United Nations Day

• World Development Information Day

• Diwali

• Tuesday, October 25

• International Artist Day

• World Pasta Day

• National Greasy Foods Day

• National I Care About You Day

• National Mother-in-Law Day

• Sourest Day

• Wednesday, October 26

• National Pumpkin Day

• National Mincemeat Day

• National Day of the Deployed

• Lung Health Day

• National Chicken Fried Steak Day

• Worldwide Howl at the Moon Night

• Thursday, October 27

• National Black Cat Day

• National American Beer Day

• National Mentoring Day

• Navy Day

• World Day for Audiovisual Heritage

• National Civics Day

• Friday, October 28

• National First Responders Day

• National Immigrants Day

• Frankenstein Friday

• National Breadstick Day

• International Animation Day

• National Chocolate Day

• Saturday, October 29

• National Trick-or-Treat Day

• National Internet Day

• National Cat Day

• National Oatmeal Day

• National Pit Bull Awareness Day

• World Psoriasis Day

• World Stroke Day

• Sunday, October 30

• National Candy Corn Day

• National Checklist Day

• National Publicist Day

• National Speak Up For Service Day

• National Text Your Ex Day

• Mischief Night

• Monday, October 31

• Halloween

• National Caramel Apple Day

• National Knock Knock Joke Day

• National Magic Day

• Girl Scout Founder's Day

• National Doorbell Day

• World Savings Day

• Reformation Day