Friday the 13th, regarded as a day of bad luck all around the world, from England to the Philippines, The association is thought to derive from the fact that Jesus was thought to have been the 13th guest at the last supper, and that if you started counting around the table from Jesus, then Judas was number 13.

13 is the 6th prime number, with 6 being considered unlucky due to it's association with '666'.

There are 13 lunar months in the Pagan calendar.

In Britain, those who were to be hung, walked 13 steps to the noose.

Jack the Ripper, John Wayne Gacy, Charles Manson, Jeffrey Dahmer and Theodore (Ted) Bundy all notorious serial killers each have 13 letters in their names.

At Scottish airports '12b' is used in place of gate number 13.

Many streets do not contain a house number 13.

There is a superstition that if 13 people dine together at the same table, one will die within the year.

Apollo 13 malfunctioned in space, imperilled it's crew, and never visited the moon after being launched at 13 minutes past 1 or 13:13.

The fear of the number 13 is known as 'Triskaidekaphobia'.