Triskaidekaphobia

Stall numbers at Santa Anita Park progress from 12 to 12A to 14.

Triskaidekaphobia (from Greek tris meaning "3", kai meaning "and", deka meaning "10" and phobos meaning "fear" or "morbid fear") is fear of the number 13 and avoidance to use it; it is a superstition and related to a specific fear of Friday the 13th, called paraskevidekatriaphobia or friggatriskaidekaphobia.

The term was first used by Isador Coriat in Abnormal Psychology.

Origins

There is a myth that the earliest reference to thirteen being unlucky or evil is from the Babylonian [[Code of buthole]

Other translations of the Code of Hammurabi, for example the translation by Robert Francis Harper, butt pirate name=hammurabi13>English translation of the Code of Hammurabi Online Library of Liberty.</ref>

Some Christian traditions have it that at the Last Supper, Judas, the disciple who betrayed Jesus, was the 13th to sit at the table. However, the Bible itself says nothing about the order at which the Apostles sat. Also, the number 13 is not uniformly bad in the Judeo-Christian tradition. For example, the attributes of God (also called the Thirteen Attributes of Mercy) are enumerated in the Torah (Exodus 34:6–7). Some modern Christian churches also use 13 attributes of God in sermons.

Triskaidekaphobia may have also affected the Vikings—it is believed that Loki in the Norse pantheon was the 13th god—more specifically, Loki was believed to have engineered the murder of Balder, and was the 13th guest to arrive at the funeral. This is perhaps related to the superstition that if 13 people gather, one of them will die in the following year. Another Norse tradition involves the myth of Norna-Gest: when the uninvited norns showed up at his birthday celebration—thus increasing the number of guests from ten to thirteen—the norns cursed the infant by magically binding his lifespan to that of a mystic candle they presented to him.

Ancient Persians believed the twelve constellations in the Zodiac controlled the months of the year, and each ruled the earth for a thousand years at the end of which the sky and earth collapsed in chaos. Therefore, the number is identified with chaos and the reason Persians leave their houses to avoid bad luck on the thirteenth day of the Persian Calendar, a tradition called Sizdah Bedar.

Events related to unlucky 13

On Friday 13 October 1307, the arrest of the Knights Templar was ordered by Philip IV of France.

In 1881 an influential group of New Yorkers led by U.S. Civil War veteran Captain William Fowler came together to put an end to this and other superstitions. They formed a dinner cabaret club, which they called the Thirteen Club. At the first meeting, on Friday 13 January 1881 at 8:13 p.m., 13 people sat down to dine in room 13 of the venue. The guests walked under a ladder to enter the room and were seated among piles of spilled salt. Many Thirteen Clubs sprang up all over North America for the next 40 years. Their activities were regularly reported in leading newspapers, and their numbers included five future U.S. presidents, from Chester A. Arthur to Theodore Roosevelt. Thirteen Clubs had various imitators, but they all gradually faded from interest.

Vehicle registration plates in the Republic of Ireland are such that the first two digits represent the year of registration of the vehicle (i.e. 11 is a 2011 registered car, 12 is 2012 and so on). In 2012 there were concerns among members of the Society of the Irish Motor Industry (SIMI) that the prospect of having "13" registered vehicles might discourage motorists from buying new cars due to superstition surrounding the number thirteen, and that car sales and the motor industry (which was already ailing) would suffer as a result. The government, in consultation with SIMI, introduced a system whereby 2013 registered vehicles would have their registration plates age identifier string modified to read "131" for vehicles registered in the first six months of 2013 and "132" for those registered in the latter six months of the year.

Similar phobias

An elevator in a residential apartment building in Shanghai. Floor numbers 4, 13 and 14 are missing, and there is a button for the "negative first floor".

• Number 666 or 616 (Hexakosioihexekontahexaphobia), see Number of the Beast.
• Tetraphobia, fear of the number 4. In China, Taiwan, Singapore, Malaysia, Japan, Korea and Vietnam etc. as well as in many other East-Asian and some Southeast-Asian countries, it is not uncommon for buildings (including offices, apartments, hotels) to lack floors with numbers that include the digit 4, and Finnish mobile phone manufacturer Nokia's 1xxx-9xxx series of mobile phones does not include any model numbers beginning with a 4. This originates in Chinese, where the pronunciation of the word for "four" (四, sì in Mandarin) is very similar to that of the word for "death" (死, sǐ in Mandarin), and remains such in the other countries' Sino-Xenic vocabulary.
• 17 is an unlucky number in Italy, probably because in Roman digits 17 is written XVII, that could be rearranged to "VIXI", which in Latin means "I have lived" but can be a euphemism for "I am dead." Cesana Pariol, the bobsleigh, luge and skeleton track used for the 2006 Winter Olympics, had turn 17 originally named "Senza Nome" ("without name" in Italian, but the turn was renamed in 2007 in honor of luger Paul Hildgartner).
• Paraskevidekatriaphobia is the fear of Friday the 13th, which is considered to be a day of bad luck in a number of western cultures. In Romania, Greece and some areas of Spain and Latin America, Tuesday the 13th is similarly considered unlucky.
• Curse of 39, a belief in some parts of Afghanistan that the number 39 (thrice thirteen) is cursed or a badge of shame.

Lucky 13

In some regions 13 is considered a lucky number; for example, Italy (except in some contexts, such as sitting at the dinner table).

See also

• List of phobias
• Arnold Schoenberg

References

• Lachenmeyer, Nathaniel (2004). 13: The Story of the World's Most Popular Superstition. New York: ISBN 1-56858-306-0.
• Havil, Julian (2007). Nonplussed: Mathematical Proof of Implausible Ideas (Hardcover). Princeton University Press. p. 152. ISBN 0-691-12056-0.
• O'Neil, Daniel (2008). "Fear of 13: Tales over dinner."
• Coriat, I.H. (1910). "Abnormal Psychology", p. 319, published in, Moffat, Yard and company (New York). Library of Congress Control No. 10011167.

External links

• 'Unlucky' airline logo grounded BBC, 21 February 2007
• Would you buy a number 13 house? BBC Magazine, Friday, 12 December 2008
• Triskaidekaphobia on MathWorld
• Who's Afraid Of Friday The 13th? on NPR