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.
78
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
Placing keys on a table is considered unlucky. (Sweden)
3
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.
78
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)
463
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
An acorn at the window will keep lightning out
93