Collect seven or nine different flowers on midsummer eve and place them under your pillow and it is said that you will dream of your future spouse. (Sweden)
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
Many believe that if all of the candles on a birthday cake are blown out with one breath, while making a silent wish, the wish will come true.
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
When you speak of bad luck, it is said that one should always knock on wood. Also knocking when speaking of good luck apparently helps with having good luck. This is an old Celtic tradition related to belief of wood spirits.
It's bad luck to leave a house through a different door than the one used to come into it.
Breaking a mirror is said to bring bad luck for 7 years. To "undo" this, take the shards of glass and bury them underneath the moonlight. In ancient times, the mirror was said to be a window to the viewer's soul. If that mirror were to break, it would
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.