Historical Superstitions That Still Influence Us Today

🏛️ Ancient Beliefs Hiding in Plain Sight

You probably don't consider yourself superstitious. You're a rational, modern person who makes decisions based on evidence and logic. And yet — have you ever knocked on wood after saying something optimistic? Avoided walking under a ladder? Felt a tiny twinge of unease on Friday the 13th?

If so, you're in extraordinary company. A 2019 YouGov survey found that one in four Americans admits to being at least somewhat superstitious, and a Gallup poll revealed that roughly 25% of people across 13 European countries consider themselves superstitious. These numbers likely undercount the phenomenon — many superstitious behaviors are so deeply woven into daily life that people perform them without even realizing it.

The superstitions that govern these small, unconscious rituals aren't modern inventions. They're echoes of beliefs stretching back thousands of years — to ancient Rome, medieval Europe, pre-Christian paganism, and beyond. Understanding their origins doesn't just satisfy historical curiosity; it reveals fundamental truths about how the human mind processes risk, uncertainty, and the desire for control.

🪞 Broken Mirrors: Seven Years of Bad Luck

The superstition that breaking a mirror brings seven years of bad luck is one of the most widespread in Western culture. Its roots run deeper than most people suspect.

Ancient Roman origins. The Romans believed that mirrors reflected not just physical appearance but the soul itself. In Roman mystical tradition, a person's soul renewed itself in seven-year cycles — an idea also reflected in their medical beliefs about the body's regeneration. If a mirror shattered, it "damaged" the viewer's soul, and seven years was the time required for complete spiritual restoration.

The practical reinforcement. Mirrors in the ancient world were extraordinarily expensive — made from polished bronze, silver, or obsidian. In Renaissance Venice, glass mirrors backed with tin-mercury amalgam cost as much as a naval warship. Breaking one represented a genuine financial catastrophe. The superstition served as a social deterrent: warn people of supernatural punishment, and they'll handle valuable objects more carefully.

Modern persistence. Even today, many people feel an involuntary pang of anxiety when a mirror breaks. A 2010 study by psychologist Bruce Hood at the University of Bristol found that people are reluctant to handle objects associated with bad luck — even when they explicitly state they don't believe in superstitions. Our emotional brain responds faster than our rational brain can override.

🪜 Walking Under Ladders

A ladder leaning against a wall creates a triangle — and triangles have been sacred symbols across nearly every civilization in human history.

Egyptian and Christian symbolism. In ancient Egypt, the triangle represented the triad of gods (Osiris, Isis, Horus) and symbolized the path to the afterlife. Early Christians later associated the triangular shape with the Holy Trinity (Father, Son, Holy Spirit). Walking through a triangle was seen as violating a sacred space, inviting divine displeasure.

Medieval gallows connection. In medieval Europe, ladders had a darker association. Criminals walking to the gallows had to pass under the ladder that leaned against the crossbeam. Executioners walked around it. This grim association cemented the belief that passing beneath a ladder was tempting fate — literally following in a condemned person's footsteps.

The safety factor. There's also an obvious practical dimension: walking under a ladder risks having tools, paint, or the worker themselves fall on you. Sometimes superstitions survive because they encode genuinely useful safety advice in a memorable form.

📅 Friday the 13th: A Double Dose of Dread

Friday the 13th is perhaps the most famous superstition in the Western world. An estimated 17 to 21 million Americans experience some degree of anxiety on this date, according to the Stress Management Center and Phobia Institute in North Carolina. The fear even has its own clinical term: paraskevidekatriaphobia.

Why thirteen? The number 12 appears throughout ancient cosmology as a symbol of completeness — 12 months, 12 zodiac signs, 12 Olympian gods, 12 tribes of Israel, 12 apostles. Thirteen disrupts this cosmic order, making it inherently unsettling. In Norse mythology, the trickster god Loki crashed a banquet of 12 gods in Valhalla as the uninvited 13th guest, leading to chaos and the death of the beloved god Baldr.

Why Friday? In Christian tradition, Friday carries heavy associations with suffering: Christ was crucified on a Friday, Eve is said to have tempted Adam with the forbidden fruit on a Friday, and the Great Flood supposedly began on a Friday. In Geoffrey Chaucer's The Canterbury Tales (14th century), he wrote that Friday was a day of misfortune.

The modern amplification. The specific combination of Friday and the 13th gained widespread traction after Thomas W. Lawson's 1907 novel Friday, the Thirteenth, about a stockbroker who manipulates the market on this fateful date. The 1980 horror film franchise Friday the 13th cemented the date in popular culture as uniquely cursed.

Does it actually affect behavior? Remarkably, yes. A 1993 study published in the British Medical Journal by Scanlon et al. found that while fewer people drove on Friday the 13th (suggesting avoidance behavior), hospital admissions from traffic accidents actually increased — possibly because anxious drivers made more errors. However, the study's authors noted the sample size was small and cautioned against over-interpretation.

🌳 Knock on Wood: Summoning the Tree Spirits

The practice of knocking on wood — or its verbal shorthand, "touch wood" — is one of the most universally performed superstitious rituals in the English-speaking world.

Pagan tree worship. Pre-Christian Celtic and Germanic cultures practiced elaborate forms of tree worship. Oaks were sacred to the druids. Norse mythology centered on Yggdrasil, the great world tree connecting all realms. These cultures believed spirits — both protective and mischievous — inhabited trees. Knocking on wood was a way to rouse friendly spirits for protection, or alternatively, to create noise that would prevent malicious spirits from overhearing your plans and sabotaging them.

Christian adaptation. As Christianity spread through Europe, the practice was reinterpreted. Knocking on wood became associated with the wooden cross of Christ — touching wood invoked divine protection. This Christianized version spread rapidly through medieval Europe.

Does it actually work (psychologically)? A fascinating 2013 study by Yan Zhang and colleagues at the University of Chicago found that physical actions associated with "pushing away" bad luck — like knocking on wood or throwing salt — genuinely reduced people's sense of tempting fate. The key mechanism was embodied cognition: the physical act of exerting force away from the body created a psychological sense of having "pushed away" the jinx. Participants who knocked on wood after tempting fate felt significantly less anxious than those who didn't.

☂️ Opening Umbrellas Indoors

This superstition is unusual because its origins are surprisingly recent and remarkably practical.

18th-century London. The modern spring-loaded umbrella was invented in the late 1700s. Early versions were unwieldy contraptions with stiff metal spokes and powerful spring mechanisms. Opening one indoors was genuinely dangerous — the sudden expansion could knock over candles (starting fires), strike nearby people, or shatter fragile objects. The "superstition" began as a practical safety warning dressed in supernatural clothing.

Ancient Egyptian predecessor. However, some historians trace the belief further back. In ancient Egypt, sunshades and parasols were associated with the goddess Nut, who arched her body over the earth to form the sky. Sunshades were used to create "personal shade" that symbolized divine protection. Opening a parasol indoors — away from the sun's realm — was seen as an insult to the sun god Ra.

The dual-origin theory suggests that the ancient symbolic belief made the practical 18th-century safety warning "stick" more effectively. People were already primed to view umbrellas as symbolically significant, so the practical advice easily acquired a supernatural dimension.

🧂 Spilling Salt: An Ancient Economic Catastrophe

The fear of spilling salt — and the remedy of throwing a pinch over your left shoulder — has origins in both economics and demonology.

Salt as currency. In the ancient world, salt was one of the most valuable commodities in existence. Roman soldiers received a salarium — an allowance to purchase salt — which gave us the English word "salary." Salt preserved food, purified water, and was used in religious ceremonies across nearly every Mediterranean culture. Spilling salt was, quite literally, throwing away money. In Leonardo da Vinci's famous painting The Last Supper (1495-1498), the traitor Judas Iscariot is depicted with a spilled salt cellar — associating salt spillage with betrayal and bad fortune.

The left-shoulder remedy. Medieval European folklore held that the devil lurked behind your left shoulder (the "sinister" side — sinister being Latin for "left"). Throwing salt over your left shoulder was believed to temporarily blind the devil and prevent him from exploiting the moment of vulnerability that spilling salt represented.

Modern echoes. Even in contemporary culture, salt retains symbolic weight. Many people still toss a pinch of salt over their shoulder after a spill, often with a self-conscious laugh. The ritual persists because it costs nothing and provides a small sense of closure — the brain's way of "fixing" a perceived disruption.

🧠 Why Ancient Superstitions Refuse to Die

The persistence of these beliefs across millennia isn't a failure of human rationality — it's actually one of its most interesting features. Several psychological mechanisms keep superstitions alive:

1. Illusory correlation. Our brains are wired to detect patterns, even where none exist. If you break a mirror and then have a bad week, your brain links the two events — ignoring all the times you broke things with no consequences.

2. Negativity bias. We remember negative events more vividly than positive ones. The one time something went wrong after a "jinx" outweighs dozens of times nothing happened.

3. Zero-cost insurance. Most superstitious behaviors — knocking on wood, avoiding ladders, not walking under ladders — require minimal effort. As psychologist Stuart Vyse argues in Believing in Magic (2013), following a superstition is a cheap form of psychological insurance. The potential "cost" of ignoring it (bad luck) feels worse than the trivial effort of observing it.

4. Social transmission. Superstitions spread through families and cultures like language. Children learn them before they develop the critical thinking skills to question them, embedding these beliefs deep in their behavioral repertoire.

5. Emotional override. Even people who intellectually reject superstitions often feel emotional discomfort when violating them. This is because our emotional processing system (the amygdala) operates faster than our rational prefrontal cortex. By the time logic says "this is silly," emotion has already registered "danger."

🌍 Superstitions Around the World

While Western superstitions dominate popular culture, every culture has its own rich tradition:

• In Japan, the number 4 (shi) is feared because it sounds like the word for death. Many buildings skip the 4th floor entirely.
• In Turkey, chewing gum at night is believed to mean you're chewing the flesh of the dead.
• In Brazil, placing your purse on the floor is thought to drain your wealth.
• In South Korea, sleeping with an electric fan running in a closed room is believed to cause death ("fan death").
• In Russia, whistling indoors is said to blow away your financial fortune.

These diverse examples reinforce the universal human tendency to create causal narratives for random events — a tendency that transcends geography, language, and historical period.

💬 Over to You

Which of these superstitions do you catch yourself following, even if you don't "really" believe in them? Is there a family superstition that's been passed down through generations? Share your thoughts below — and visit The Lucky Button to test whether fortune favors you today. After all, it can't hurt to try... right? (Knock on wood.)