Placing keys on a table is considered unlucky. (Sweden)
3
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.
298
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
It is bad luck to put new shoes on a bed (or a table) (comes from the tradition of dressing a corpse in new clothes and shoes and laying them out so everyone can give their respects) - (UK)
57
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
In some parts of England, rum is used to wash a baby's head for good luck.
71
A single magpie is considered a sign of bad luck. A Guide to the Scientific Knowledge of Things Familiar recites an old proverb concerning the incidence of bad weather when magpies forage alone and a possible scientific explanation for this.
49
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9