- Serpent Day
- Purification Day
- Cordova Ice Worm Day
- Create a Vacuum Day
- Disaster Day
- Lame Duck Day
- Charles Dickens Day
- Kite Flying Day
- Toothache Day
- Umbrella Day
- White T-Shirt Day
- National Plum Pudding Day
- Ferris Wheel Day
- National Gun Drop Day
- Do a Grouch a Favor Day
- Champion Crab Races Day
- National Battery Day
- National Chocolate Mint Day
- Hoodie Hoo Day
- Card Reading Day
- Be Humble Day
- International Dog Biscuit Appreciation Day
- National Tortilla Chip Day
- Pistol Patent Day
- National Pistachio Day
- International Polar Bear Day
- Public Sleeping Day
- National Surf & Turf Day
- Leap Day
