A believe that some objects or actions are lucky or unlucky , that they cause events to happen, based on old ideas of magic.
I think superstitions are similar all over the world.
If you would like to know about superstition her some common in the world.
Friday the 13th..
Is unlucky the origin of the link between bad luck and Friday the13th is murky.
Open an umbrella indoors..
Some people believe that if there is a sick person indoors opening an umbrella indoors will make them sicker.
If a horse's shoe was hung over the door of a house it was thought to attract good luck.
Breaking a Mirror..
Breaking a mirror will cause bad luck
Walking under a Ladder..