black cats
Broken mirrior
In Turkey, it is a superstition that breaking a mirror brings bad luck for seven years or In the extreme cases, it can mean that someone in the house will die.
Looking at mirror at night time
In turkey it is a superstition that looking in a mirror at night is a negative sign and should probably be avoided due to The belief that if you look in a mirror at night you might cause your self to see the devil's reflection.
Passing a sharp object to someone else by hand
the number 13
Opening an umbrella in the house or indoors
Walking under a ladder.