- Gorilla Suit Day: 31st January
- Snowman Burning Day: 20th March
- Lumpy Rug Day: 3rd May
- No Dirty Dishes Day: 18th May
- Compliment Your Mirror Day: 3rd July
- Race Your Mouse Around The Icons Day: 28th August
- International Moment Of Frustration Scream Day: 12th October
- Name Your PC Day: 20th November
- Start Your Own Country Day: 22nd November
None of these appeal? How about these 'nights?' ...
- Sneak Some Zucchini (that's courgette to us Brits) Onto Your Neighbor's Porch Night: 8th August
- Haunted Refrigerator Night: 30th October
No? Oh well, there's always ...
- Make Up Your Own Holiday Day: 26th March.
According to this American website here's how to go about it.