• 1st Monday of October - World Habitat Day
• National Kale Day - first Wednesday of October
• International Frugal Fun Day - first Saturday of the month
• World Card Making Day - first Saturday of the month
• World Smile Day first Friday of month
• Columbus Day - second Monday of month
• World Sight Day -- 2nd Thursday of October
• National Fossil Day - Wednesday of Earth Sciences Week
• Take Your Teddy Bear to Work Day -Second Wednesday of month
• World Egg Day - second Friday of month
• Sweetest Day - third Saturday of month
• Mother-In-Law Day - fourth Sunday in October
• Frankenstein Friday - last Friday in October
• Make a Difference Day- fourth Saturday of the month, neighbors helping neighbors.
October 1
• International Day of the older/Elderly
• National Homemade Cookies Day
• World Vegetarian Day
October 2
• International Day of Non-Violence
• National Custodial Worker Day
• Name Your Car Day
October 3
• World Nature Day
• National Boyfriends Day
• Techies Day
• Virus Appreciation Day
October 4
• World Animal Day
• National Golf Day
• National Frappe Day
October 5
• Do Something Nice Day
• World Teacher's Day
October 6
• World Wildlife Day
• Come and Take it Day
• Mad Hatter Day
• Physician Assistant Day
October 7
• Bald and Free Day
October 8
• American Touch Tag Day
• Oktoberfest in Germany ends, date varies
October 9
• World Postal or Post-office Day
• Curious Events Day
• Fire Prevention Day
• Leif Erikson Day
• Moldy Cheese Day
October 10
• World Mental Health Day
• International Newspaper Carrier Day
• National Angel Food Cake Day
October 11
• International Day of the Girl Child
• Emergency Nurses Day- second Wednesday of month
• It's My Party Day
October 12
• World Arthritis Day
• Cookbook Launch Day
• Old Farmer's Day
• Moment of Frustration Day
• National Gumbo Day
October 13
• International Day for Natural Disaster Reduction
• Friday the 13th
• International Skeptics Day
October 14
• World Standards Day
• Be Bald and Free Day
• National Dessert Day - take an extra helping, or two
October 15
• Global Hand Washing Day
• International Day of Rural Women
• World White Cane Safety Day
October 16
• World Food Day
• Bosses Day
• Dictionary Day
October 17
• National Pasta Day
• Wear Something Gaudy Day
October 18
• No Beard Day
October 19
• Hindu Dilawi Day - date varies
• Evaluate Your Life Day
October 20
• World Osteoporosis Day
• World Statistics Day
• Brandied Fruit Day
October 21
• Babbling Day
• Count Your Buttons Day
• National Pumpkin Cheesecake Day
October 22
• National Nut Day
October 23
• National Mole Day
• Tv Talk Show Host Day
October 24
• World Development Information Day
• World Polio Day
• National Bologna Day
• United Nations Day
October 25
• Punk for a Day Day
• World Pasta Day
October 26
• National Mincemeat Day
October 27
• World day for Audio Visual Heritage
• National Tell a Story Day - in Scotland and the U.K.
• Navy Day
October 28
• International Animation Day
• Plush Animal Lover's Day
October 29
• Hermit Day
• National Frankenstein Day
October 30
• National Candy Corn Day
• Mischief Night
October 31
• World Savings Day or world Thrift day
• Carve a Pumpkin Day - no surprise here
• Halloween
• Increase Your Psychic Powers Day