Did you break a mirror, walk under a ladder, or cross paths with a black cat lately? I hope not! It’s Friday the 13^th so superstitions are on high alert! Check out our 13 fun facts! Let us know in the comments which one you liked most.

1. The fear of Friday the 13th gained widespread popularity in the 20th century.

2. Triskadekaphobia is the fear of the number 13, and paraskevidekatriaphobia is the fear of Friday the 13th.

3. Friday and the number 13 are both associated with the crucifixion of Christ. There were 13 people at the last supper – the 13th being Judas – and the crucifixion took place on a Friday.

4. In numerology, the number 12 is associated with completeness as in 12 months of the year, 12 hours of the clock day, 12 Apostles of Jesus, 12 signs of the zodiac. In contrast, the number 13 is considered irregular, transgressing this completeness.

5. There is a superstition that having 13 people at the table results in the death of one of the diners.

6. The Stress Management Center and Phobia Institute in North Carolina reports that between 17 and 21 million Americans fear Friday the 13th. The institute also estimates that approximately $900 million is lost in the business world on a Friday the 13th.

7. Many tattoo shops ink special Friday the 13th tattoos for only $13 on this special day. Select artists at this year’s Philadelphia Tattoo Arts Convention will be doing Friday the 13th tattoos.

8. Many skyscrapers don’t have a thirteenth floor. The number 13 may be skipped in the list of levels, the floor may be referred to as 12A or M – the thirteenth letter of the alphabet – or the floor could be closed off from the public by designating it a mechanical floor.

9. The plane crash of the Chilean Air Force Plane chartered by a rugby team crashed on Friday 13, 1972 in the Andes. The survivors were stranded for 70 days and forced to eat the dead. The movie “Alive” is based on this true story.

10. Alfred Hitchcock, the master of suspense, was born on August 13, 1899, which was a Friday.

 11. It was Friday the 13th in October when the historic “Black Friday” stock market crash occurred.

12. The Knights of Templar were wiped out by King Philip of France on Friday, Oct. 13, 1307.

13. Dubbed hangman’s day, many public executions occurred on Fridays during the Middle Ages. And criminals would have to walk 13 steps up the gallows before meeting their fate.