5. One reason might be a sort of number mysticism.
10. the wishbone and getting the bigger part could make your wish
Opening umbrella indoors could bring bad luck. (historically meant to disrespect God of Sun, but later it was also considered to use for safety reasons)
Finding penny face up means you have some money coming your way.
5. Proverb. If an unfortunate event has already occurred twice, a third unfortunate event is likely to occur.
7. Find a penny, pick it up, and all day long you'll have good luck
5, 6 and 10
5 - If an unfortunate event has already occurred twice, a third unfortunate event is likely to occur.
6- It's bad luck to open an umbrella indoors.
5,7,10.
All are new for me .
There is one more when I saw a rainbow, an American friend said: did you make a wish?
Is "bless you" when sneezing is also considered as a superstition?
4-5-6-10 These are that I don't know.
Top 10 most common superstitions in the USA.
1. Knocking on wood
2. Wishing on a star
3. Breaking a mirror
4. Four-leaf clover
5. Bad news comes in threes
6. Don’t open an umbrella inside
7. Lucky penny
8. Beginner’s luck
9. Saying “bless you” when someone sneezes
10. Wishing on a wishbone
Which one(s) are you not familiar with?