- Appreciate Your Social Security Check Day
- Backwards Day
- Brandy Alexander Day
- Eat Brussel Sprouts Day
- Gorilla Suit Day
- Grammy Awards Day
- Hell is Freezing Over Day
- Hug An Economist Day
- Inspire Your Heart with Art Day
- International Zebra Day
- National Hot Chocolate Day
- National Seth Day
- Nauru Independence Day
- Scotch Tape Day
- U.S. Snow Sculpting Week
List of International Events on January 31th – National Holidays 31 January
