Friday the 13th!

In honor of Friday the 13th, here are the 13th weirdest "13" superstitions:

1. Hospitals and hotels regularly have no room number 13.
2. Many cities don't have a 13th Street or 13th Avenue.
3. If you have 13 letters in your name, you're said to have the devil's luck.  Like, Charles Manson.
4. Many airports skip the 13th gate.
5. Airplanes have no 13th aisle.
6. Italians omit the number 13 from their national lottery.
7. More than 80% of high rises lack a 13th floor.
8. On streets in Florence, Italy, the house number between 12 and 14 is addressed as 12 and a half.
9. Traditionally in hangings, there are 13 knots in the noose and 13 steps leading up to the moment of death.
10. In France, socialites called quatorziens (fourteeners) make themselves available as 14th guests to keep a dinner party from an unlucky fate.
11. Many say the number 13 pointed to the ill-fated mission to the moon, Apollo 13.
12. Tarot Card number 13 is the Death Card, depicting the Grim Reaper.
13. Some say the Babylonian Code of Hammurabi (circa 1780 B.C.E.) is to blame for the number 13 woes since the 13th law is omitted.