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.
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
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
Before traveling a person should, apparently, sit on their luggage. (Russian)
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
An acorn should be carried to bring luck and ensure a long life.
If one walks underneath an open ladder it is said to bring bad luck. Sometimes it is said that this can be undone by immediately walking backwards back underneath the ladder.
An acorn at the window will keep lightning out
Amber beads, worn as a necklace, can protect against illness or cure colds.
At times, a horseshoe may be found above doorways. When positioned like a regular 'U' it supposedly collects luck. However, when it is positioned like an upside-down 'U' the luck supposedly drains.
In Asia, the digit 4 never appears in any Nokia handset model number, because 4 is considered unlucky in many parts of Southeast/East Asia.
The superstitious symbolism of a black cat crossing one's path is dependent upon culture: some cultures consider this a sign of impending bad luck, while some cultures consider this a sign of impending good luck.
Opening an umbrella indoors is said to result in 21 days of bad luck. Some traditions hold that it is only bad luck if the umbrella is placed over the head of someone while indoors.
In some parts of England, rum is used to wash a baby's head for good luck.
There are numerous sailors' superstitions, such as: it is considered bad luck for a ship to set sail on a Friday, to bring anything blue aboard, to stick a knife into the deck, to leave a hatch cover upside-down, to say "pig", or to eat walnuts aboard.