Friday 13 th significance:

The story how the friday 13th began as horrifying day.
"Light as a feather, stiff as a board ... light as a feather, stiff as a board ... "

Teenage girls often can be found chanting these words at sleepovers as they try to lift someone off the floor and cause her to levitate.

Another group of girls may head into the bathroom, where they close the door, turn off the lights and chant "Bloody Mary" into a mirror three times. Legend has it that if Bloody Mary appears, she will kill her caller
how Friday the 13th developed its spooky reputation, there are many superstitious theories. Scandinavians believed the number 13 was unlucky because of the mythological 12 demigods being joined by a 13th, an evil one, who brought misfortune upon humans. It also is said that Christ was crucified on Friday and the number of guests at the Last Supper was 13, with the 13th guest being Judas, the traitor