1. THERE WERE 13 PEOPLE AT THE LAST SUPPER.
And tradition has held that the 13th to take their seat was either Judas or Jesus himself.
2. TRADITIONALLY, THERE WERE 13 STEPS TO THE GALLOWS.
According to popular lore, there are 13 steps leading up to the gallows. Gallows actually varied wildly, but even then, the number was often brought up to 13.
3. WOMEN MENSTRUATE ROUGHLY 13 TIMES A YEAR.
Some suggest that the association with 13 being unlucky is due to women generally having around 13 menstrual cycles a year (based on a cycle length of 28 days).
4. A WITCHES' COVEN HAS 13 MEMBERS.
Although a coven is now considered to be any group of witches (or vampires, in some tellings), it was once believed that a coven was made up of exactly 13 members.
5. 12 IS A PERFECT NUMBER, SO 13 MUST BE UNLUCKY.
In some schools of numerology, the number 12 is considered to be the representation of perfection and completion. It stands to reason, then, that trying to improve upon perfection by adding a digit is a very bad idea indeed—your greed will be rewarded with bad luck.
6. ZOROASTRIAN TRADITION PREDICTS CHAOS IN THE 13TH MILLENNIUM.
The ancient Persians divided history into four chunks of 3000 years. And although the exact timeframes can vary, some scholars feel that at the beginning of the 13,000th year there will be chaos as evil mounts a great battle against good (although good will eventually triumph).
7. 13 LETTERS IN A NAME MEANS THE PERSON IS CURSED.
There's an old superstition that says if you have 13 letters in your name, you're bound to be cursed. Silly, yes, but slightly more convincing when you consider that a number of notorious murderers' names (Charles Manson, Jack the Ripper, Jeffrey Dahmer, Theodore Bundy, and Albert De Salvo) all contain 13 letters.
有一种古老的迷信说法:如果你的名字里有13个字母,你就会受到诅咒。听起来很傻,但是想想那些臭名昭著的杀人犯的名字——Charles Manson、Jack the Ripper、Jeffrey Dahmer、Theodore Bundy和Albert De Salvo,这些名字里都有13个字母,这种说法也就稍微有些可信了。
8. SUPERSTITION HAS MADE FRIDAY THE 13TH TOUGH FOR BUSINESSES.
Friday the 13th is an expensive day for businesses. One analyst claims that around a billion dollars a year are lost as people choose not to do business of any kind on Friday the 13th.