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.
In some parts of England, rum is used to wash a baby's head for good luck.
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.
An acorn at the window will keep lightning out
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.
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
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 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.