Everybody thinks Friday the 13th is an ancient curse. It's barely 150 years old. Here's where it actually came from, and 13 deep cuts: a dead composer, a cursed seven-masted ship, a dinner club that dared death, a hockey mask, and the punks who turned bad luck into a $13 tattoo.
On Friday, November 13th, 1868, the opera composer Gioachino Rossini, the man who wrote The Barber of Seville and the William Tell overture, died at his villa outside Paris. He was said to be wary of Fridays, and wary of the number 13. He died on both.

His English biographer wrote it up the next year, and that line is one of the earliest known places anyone put "Friday" and "13th" together as bad luck. Before the late 1800s there's no solid record of the combo being feared at all. Thirteen was unlucky on its own. Fridays were unlucky on their own. Nobody had stacked them.
Then a novel, a newspaper culture and, eventually, a slasher franchise glued them together, and now it's on every calendar on Earth. This manual drops on the 158th anniversary of Rossini's death, on a Friday the 13th. On purpose. Turn the lights down.
13 is my lucky number. it's also my unlucky number. i contain multitudes. most of them are hiding behind you.
Greek for Friday (paraskevi) + thirteen (dekatreis) + fear. A therapist named Donald Dossey popularized it and liked to claim that once you can pronounce it, you're cured. There's a Norse spin too: friggatriskaidekaphobia, after Frigg, the goddess English "Friday" is named for (Old English Frīgedæg, Frigg's day). Fear of 13 on its own is triskaidekaphobia, which first showed up in print in 1911.
The modern calendar repeats every 400 years, and in that cycle the 13th falls on a Friday 688 times, more than any other weekday. Every year has at least one Friday the 13th and at most three. Any month that starts on a Sunday has one. And 2026 maxed out: February, March, and today.
Before dawn on October 13th, 1307, King Philip IV of France had hundreds of Knights Templar arrested in one coordinated raid, then tortured and burned many of them. It was a Friday on the calendar they used back then (the Julian calendar; on ours it would land on a Thursday). The internet loves this as the origin story. Historians mostly don't: nobody connected the raid to Friday the 13th until the 20th century, and a certain 2003 thriller about a code made it famous.
The fear of 13 at a table is much older than Friday the 13th. In Norse myth, twelve gods are feasting when Loki shows up uninvited as the thirteenth. He tricks the blind god Höðr into throwing mistletoe at Baldr, the most beloved god, and Baldr dies. In the Christian story, thirteen sit at the Last Supper, and the thirteenth to arrive is often said to be Judas. Two traditions, one rule: never be the thirteenth guest.

In 1881 a Civil War veteran named Captain William Fowler started a club in New York to mock superstition to its face. They met on the 13th of the month, thirteen to a table, walked in under a ladder, spilled salt on purpose and broke mirrors for dessert. Several US presidents were made honorary members. The club grew to hundreds of members. Nobody's on record as dying of it.


In 1907 a Boston financier named Thomas W. Lawson published a novel called Friday, the Thirteenth, about a stockbroker who uses the superstition to crash Wall Street. It sold, and the phrase stuck. The same year, the only seven-masted schooner ever built, a giant ship named after Lawson himself, the Thomas W. Lawson, was wrecked off the Isles of Scilly in a storm on the night of Friday, December 13th, 1907. Most of the crew died.

An often-quoted estimate from the elevator company Otis says roughly 85% of buildings with elevators have no button marked 13. The floor is there, it's just called 14, or 12A, or "M". Plenty of airlines skip row 13. Formula 1 had no car number 13 for decades, until a driver picked it for himself in 2014.
In Spain, Greece and much of Latin America the bad day is Tuesday the 13th (martes trece): "on a Tuesday, don't marry and don't set sail." In Italy the unlucky number is 17, because in Roman numerals XVII rearranges to VIXI, Latin for "I have lived", which means "I'm dead". Meanwhile Italians say fare tredici, "to make 13", for hitting the jackpot. And in Britain and Japan a black cat crossing your path is good luck.
Apollo 13 lifted off on April 11th, 1970, at 13:13 Houston time. On April 13th an oxygen tank exploded and the crew had to loop around the Moon in a crippled ship and limp home. All three made it back alive. NASA called it a "successful failure". Superstitious people called it a told you so.


In 1993 the British Medical Journal ran a tongue-in-cheek study from one English region: on Friday the 13ths, fewer people drove, but more of them ended up in hospital from road accidents than on the Friday the 6th before. The authors recommended staying home. Tiny sample, big joke. Later, Dutch insurers found the opposite: fewer accidents and claims on Friday the 13th, probably because scared people are careful people.
The deep cuts: Jason isn't the killer in the first film. It's his mother, Pamela. Jason takes over in Part 2, and wears a sack on his head. The hockey mask doesn't appear until Part III in 1982, which was released in 3D. The famous whisper, ki-ki-ki, ma-ma-ma, is the composer Harry Manfredini breathing "kill" and "mommy" into a mic through an echo effect. Camp Crystal Lake is a real place: a working Boy Scout camp in New Jersey, Camp No-Be-Bo-Sco, which has opened its gates for fan tours.
On every Friday the 13th, tattoo shops all over the world run flash days: small pre-drawn designs (13s, black cats, daggers, skulls) for around $13 plus a "lucky" tip. Lines go round the block. The tradition is usually credited to a tattooer in Dallas in the 1990s, and it spread shop to shop. Biker, punk and rockabilly culture had already adopted "Lucky 13" as a badge: if the world calls it unlucky, wear it.
The curse is young, mostly made up, and statistically meh. What's real is what people do with it: dinner clubs laughing at death, horror fans making a pilgrimage to a summer camp, punks getting 13 tattooed on their knuckles. The degenerates took the unlucky number and made it theirs. That's why every D$B Field Manual drops on the 13th.
yep, that's me, standing under a ladder, holding a broken mirror, on a friday the 13th, with a black cat on my head. you're probably wondering how i got here. i joined a club in 1881.
Today's rules, if you believe in this stuff: don't be the thirteenth at the table, don't start a trip, don't cut your hair, and never, ever go camping by a lake called Crystal.
Today's rules, if you're one of us: get the $13 tattoo. Watch the first film and enjoy that it isn't Jason. Eat with twelve friends. Leave this manual somewhere spooky for the next person to find.
i'm not saying i'm the thirteenth guest. i'm saying count the chairs again.
every hole in this manual, in one place. 13 doors. pick one. we're not responsible for where you end up.
New manuals drop every 13th. Get them first, read every one free, or slap a sticker somewhere to show you've been here.
found this printed somewhere? read it, then leave it somewhere weirder. field manuals are supposed to travel.