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.
75
Placing keys on a table is considered unlucky. (Sweden)
3
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
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.
75
It's bad luck to leave a house through a different door than the one used to come into it.
143
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
An acorn at the window will keep lightning out
93