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
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
When you speak of bad luck, it is said that one should always knock on wood. Also knocking when speaking of good luck apparently helps with having good luck. This is an old Celtic tradition related to belief of wood spirits.
208
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
There are numerous sailors' superstitions, such as: it is considered bad luck for a ship to set sail on a Friday, to bring anything blue aboard, to stick a knife into the deck, to leave a hatch cover upside-down, to say "pig", or to eat walnuts aboard.
70