In the United States alone, it is estimated that between 17 and 21 million people dread that date to the extent that it can be officially classified as a phobia.
As for the unluckiest of the number 13, as with Friday, there are numerous possibilities for the origin, the most popular of which also stems from Christianity. It is considered incredibly bad luck to have 13 people sitting at a table for dinner, which supposedly is due to the fact that Judas Iscariot was by tradition the 13th person to be seated to dine at the Last Supper.
There are numerous interpretations and I am sure you have your favorite.
Remember what you believe will be achieved, so be careful what you believe in……..