Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
It's bad luck to leave a house through a different door than the one used to come into it.
143
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
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
An acorn at the window will keep lightning out
93
In some parts of England, rum is used to wash a baby's head for good luck.
71