1

The Great Chicago Fire (1871)

Image: Ricardo Gomez Angel

The Great Chicago Fire burned for almost two days in October 1871, destroying thousands of buildings and leaving the city in ruins . Sparks, dry conditions, and wooden construction helped the flames race through entire neighbourhoods.

It was a painful turning point, but it launched a huge rebuilding effort. Chicago adopted tougher building codes, better water systems, and more specialized fire departments, becoming a model city for urban planning.

2

The Johnstown Flood (1889)

Image: Lukas Hron

In 1889, the failure of the South Fork Dam sent a massive wall of water toward the town of Johnston, Pennsylvania . The flood wiped out entire homes, bridges, and rail lines in a matter of minutes.

The Johnstown Flood drew attention to private dam ownership and safety inspections of such constructions. Engineers and lawmakers used its lessons to plan for better maintenance and more accountability for these large-scale structures.

3

The San Francisco Earthquake (1906)

Image: Library of Congress

The 1906 San Francisco earthquake struck before dawn, violently shaking the city and the surrounding areas . Broken gas lines and toppled chimneys sparked fires that raged for days , destroying block after block of homes and businesses alike.

Rebuilding was hard but transformative, as the city adopted stricter building codes, stronger materials, and better street layouts.

4

Triangle Shirtwaist Factory Fire (1911)

Image: Pukima ‎

The Triangle Shirtwaist Factory Fire of 1911 began on the upper floors of a New York City garment factory packed with workers. Locked exit doors, narrow stairways, and crowded conditions turned what would have been a relatively small blaze into a historic tragedy.

Public outrage was immediate and intense. The fire led to tough new safety laws, regular inspections, and rules for unlocked exits and fire escapes.

5

The Hindenburg Disaster (1937)

Image: Library of Congress

In 1937, the German airship Hindenburg approached its mooring mast in Lakehurst, New Jersey, after a transatlantic flight. Suddenly, it burst into flames and fell to the ground in front of cameras and radio reporters who witnessed the tragedy.

The disaster shocked the world and quickly ended the age of passenger airships. Public trust shifted toward airplanes, and the whole airship industry faded into obscurity almost completely.

6

The Texas City Disaster (1947)

Image: Ash Edmonds

The Texas City Disaster of 1947 began when a ship carrying ammonium nitrate caught fire in the bustling Texas City harbor . As crowds watched from the waterfront, the cargo exploded in a blast so powerful it shattered windows miles away.

The incident prompted sweeping changes in how hazardous materials are stored, transported, and labeled. It led to improved emergency planning, better first-responder training, and regulations aimed at preventing industrial catastrophes.

7

The Silver Bridge Collapse (1967)

Image: Suzanne Anderson

On a 1967 December day, the Silver Bridge that connected Point Pleasant in West Virginia to Gallipolis, Ohio, collapsed into the river below . Dozens of vehicles were on the bridge and fell into the water.

The collapse spurred nationwide inspections of older bridges and stricter design standards. It introduced new rules for maintenance, record keeping, and modern safety ratings.

8

Buffalo Creek Flood (1972)

Image: Chris Gallagher

In 1972, after days of heavy rain, a coal-waste dam above Buffalo Creek, West Virginia, gave way . A torrent of water and slurry rushed down the narrow valley, wiping out homes, roads, and small communities in its path.

The Buffalo Creek Flood drew national attention to the dangers of poorly regulated waste dams, and it helped push stricter environmental laws across the country.

9

Three Mile Island (1979)

Image: Lee Lawson

The Three Mile Island accident of 1979 began with equipment failures followed by human mistakes inside a nuclear power plant . Cooling problems led to a partial meltdown of the reactor core, alarming nearby residents and the entire country.

Even though it was contained, the incident reshaped nuclear energy in America. Regulators tightened training, communication, and emergency procedures.

10

Hyatt Regency Walkway Collapse (1981)

Image: AJOY DAS

The Hyatt Regency walkway collapse in Kansas City happened during a popular social dance event in 1981. Two suspended walkways above the hotel lobby suddenly gave way, crashing onto the crowded area below .

Investigations exposed serious flaws in the design and in the approval process itself. The disaster led to stricter engineering reviews, clearer responsibilities, and tougher building codes.

11

Exxon Valdez oil spill (1989)

Image: Yuval Zukerman

The Exxon Valdez tanker struck Bligh Reef in Alaska’s Prince William Sound in 1989, tearing open its hull. Crude oil spilled into the cold waters , drifting onto beaches, shorelines, and wildlife habitats in the surrounding area.

The spill led to new rules for double-hulled tankers, improved navigation systems, and better emergency response plans. It also inspired major environmental legislation and long-term monitoring to reduce the impact of future shipping incidents.

12

Deepwater Horizon (2010)

Image: Jonathan Gong

In April 2010, the Deepwater Horizon drilling rig experienced a blowout during exploratory drilling . A series of failures led to an explosion and a major well leak far below the ocean’s surface, drawing worldwide attention.

The disaster sparked new offshore drilling rules, better blowout preventers, and stricter inspection routines. It also sparked debates about energy policies and environmental protection.

1

Being annoying

We all have bad days where our mood goes south, but in Florida, you’d better keep those frustrations to yourself . Ever since 1832, the Sunshine State has had a broad nuisance statute that classifies anything that "annoys the community, injures public health, or corrupts public morals" as a second-degree misdemeanor. Of course, the law was intended to address community hazards like toxic waste disposal or unsafe buildings. Modern enforcement targets environmental hazards and serious health violations. Personal annoyances are off-limits, since what qualifies as "annoying" is completely subjective.

2

Honking with no purpose

We’ve all used our car horn to wave at a neighbor or used it to vent a little frustration in traffic. However, in New Jersey, according to their traffic code, your horn is legally reserved for safety warnings only . In this state, using it for any non-emergency reason is technically a traffic violation since 1968. Unless you are trying to prevent a fender-bender or warn a distracted driver, it is best to keep your hands off the steering wheel's center and just give a friendly wave instead.

3

Dangling car decorations

If you have a pine-scented air freshener or a set of graduation tassels swinging from your rearview mirror, you might be looking at a ticket in some states. Laws vary across the country, but for example, in California, the law states that there cannot be anything obstructing the view through the windshield or side window . This rule is part of the California Vehicle Code, enforced in 1959. In Texas, the regulation is similar according to the state Transportation Code, and Minnesota, in turn, has had a law since 1957 making it strictly illegal to hang anything from the mirror. Nobody has anything against a nice-smelling car or a beautiful lucky charm, but when they obstruct your view , that’s a problem for everyone on the road.

4

Handling a stranger’s mail

It’s not unusual to find a stack of letters addressed to the person who lived in your house three years ago, right? Now, your first instinct might be to toss it in the bin . Believe it or not, that’s a big no-no since 1948, clearly stated in the U.S. Code. Tossing out mail intended for someone else into the garbage is considered a federal felony, and penalties can be severe, including up to five years in federal prison and fines up to $250,000. The proper way to proceed is to write "refused" or "return to sender" on the envelope and let the post office take it from there.

5

Forgetting to tell the DMV you moved

Life gets busy and messy when you move to a new house, so it’s easy for updating your driver's license to fall to the bottom of the to-do list. However, in most states, you are legally required to notify the DMV of your change of address within a very short window, usually ten to thirty days . In California, for example, you must do this within ten days. If you get pulled over and your license doesn't match your current address, you could get a fine. Time really flies when moving, but make sure to write this on the very top of your to-do list, and you’ll be fine!

6

Letting the engine on

Isn’t it common to start the car on a frosty morning to let it warm up while you finish getting ready? Well, if you do this, you’re technically breaking the law in some states: since 2004, in Ohio and Colorado, this is actually a citable offense known as "puffing." Leaving an unattended vehicle idling in your driveway is illegal because it invites car theft and contributes to unnecessary exhaust emissions. If you want to get the heater going, the law expects you to stay right there in the driver's seat until you’re ready to pull away.

7

Prank pizzas

In Louisiana, ordering a stack of pizzas to be delivered to an unsuspecting friend as a prank is more than just a lousy joke; it’s a crime. Believe it or not, there’s a reason behind this law. Passed in 2018, the Louisiana Revised Statute was specifically written to protect small businesses from losing time and money on fake orders. Can you imagine how annoying it must be to deal with a pranked customer who doesn’t want the five pizzas they got out of the blue? Even if it started as a joke, the authorities now view it as a form of theft that can result in a fine of up to $500, imprisonment for up to six months, or both.

8

Playing hairdresser

If you’ve ever offered to give a friend a quick perm or some highlights in your kitchen, you might be an accidental criminal. In the US, performing any kind of cosmetology service on another person without a professional license is illegal. Forms of enforcement and penalties depend on each state, but most follow the rules established by the National-Interstate Council of State Boards of Cosmetology, which grants licenses following pertinent examinations. Of course, a bangs cut is not always a problem, but these kinds of regulations were created to ensure that chemicals and sharp tools are handled safely by trained experts.

9

No-hands bike riding

Riding a bike is fun, especially for kids who like to do tricks and take both hands off the handlebars. But in North Carolina, that’s a traffic violation, according to the city code. The statute requires cyclists to keep at least one hand on the grip at all times to maintain control of the bike. Fines for this behavior can go up to $50 and even imprisonment for up to 30 days. Riding a bike without using your hands might feel like a fun way to show off skills, but the consequences can be serious.

10

Tossing out old batteries

When the remote dies, most people are tempted to just drop the old batteries into the kitchen trash can, but you might want to think that over, especially if you live in California. As of 2005, in this state, household batteries are classified as hazardous waste because they contain chemicals that leak into the soil. The California Rechargeable Battery Recycling Act requires you to take them to a proper recycling center instead of the regular landfill. It takes a little more effort to do the right thing, but it keeps the local environment a lot cleaner for everyone.

11

Lending your Wi-Fi password

You’ve just moved, and you ask your friendly neighbor to share their Wi-Fi password until your internet is set up. That’s pretty common, but that’s also been a felony since 1986. The feds view this as unauthorized access to a computer network . Under the Computer Fraud and Abuse Act, jumping on a signal you don't have explicit and formal permission to use is technically a crime. It’s better to stick to the local coffee shop than risk a run-in over a bit of borrowed bandwidth.

1

Construction costs that’d make your wallet faint

Image: Jaime Labra

Back in 1912, the Titanic cost $7.5 million to build, and if you're wondering what that’d be today, it’d be over $400 million. That’s more than some sports stadiums! It took nearly three years to complete and was one of the most extravagant ships ever made.

2

Yes, there were dogs

Image: Yuki Dog

As it turns out, the Titanic wasn’t just for people. At least 12 dogs came along for the ride , lounging in a special first-class kennel. There was even a dog show scheduled for the morning of April 15. Sadly, only three tiny dogs survived, all small enough to sneak onto lifeboats tucked in coats or handbags.

3

The band really did play on

Image: Parizan Studio

Wallace Hartley, the bandleader, went down in history, and with his violin! His group kept playing as chaos unfolded around them, trying to calm passengers with music, just like the movie portrays. He didn’t make it, but his violin was found intact and later sold at an auction for $1.7 million!

4

A pocket watch frozen in time

Image: Otto Hyytiälä

The violin was not the only treasure found. Sidney Sedunary was a young steward whose pocket watch stopped ticking at exactly 1:50 a.m. , just before the ship went under. He was last seen handing out lifejackets to third-class passengers. That same watch, rusted but intact, still tells his story.

5

A survivor with frostbitten legs and Olympic dreams

Image: Shep McAllister

Richard Norris Williams spent six hours in icy water, and doctors on the rescue ship wanted to amputate his legs. He refused . And you may think he was crazy to do so, but thank God he did! He went on to win a Wimbledon title and an Olympic gold medal. How crazy is that?

6

Finding the Titanic by accident

Image: Karl Callwood

In 1985, oceanographer Robert Ballard found the Titanic wreck. But that was just an accident ; he was actually sent by the Navy to look for two lost nuclear submarines and used the Titanic as a cover story.

7

Dishes still stacked neatly on the ocean floor

Image: Jannet Serhan

When explorers visited the Titanic wreck in 1986, they found plates still stacked like someone had just finished doing the dishes. Turns out, the wooden cabinet they were in rotted away , leaving the china perfectly arranged on the sea floor. It’s as eerie as fascinating, considering the many years that passed.

8

The ship is rusting away

Image: NOAA

And speaking of the amount of time the Titanic has been underwater, we have to say that nature is reclaiming the Titanic bit by bit. A newly discovered bacterium is literally eating the ship. Scientists estimate it could disappear completely in 20 to 30 years. The latest expeditions have already shown evidence that pieces that were previously there are gone. So… the clock's ticking.

9

No photos of the grand staircase?

Image: Maria Orlova

You’ve probably seen images of the Titanic’s beautiful grand staircase. We’re sorry to disappoint, but they’re not of the Titanic . They’re from her sister ship, the Olympic. No one thought to take a picture of the real deal before the maiden voyage. And they definitely didn’t think of doing it while it happened!

10

Milton Hershey almost boarded

Image: Janne Simoes

If the name rings a bell, that’s because it’s the same Hershey from the chocolate you love. The man behind Hershey’s chocolate bars almost booked a room on the Titanic . He even wrote a $300 deposit check (big money back then!). But business delayed him, and he skipped the trip. Who do we thank for that?

11

The baker who survived two hours in icy water

Image: Maxim Hopman

Here’s a fascinating fact: Charles Joughin, the Titanic’s chief baker, survived one of the worst parts of the sinking: the freezing Atlantic water. He was reportedly treading water for two hours before rescue. Wanna know how he made it? He had been sipping whiskey to face his fate, and the alcohol in his blood kept him warm enough to survive.

12

The last lunch menu went for a tasty sum

Image: Zoshua Colah

In 2015, a copy of Titanic’s last first-class lunch menu sold for $88,000 . That’s one pricey memento. The menu included grilled mutton chops, chicken à la Maryland, and corned ox tongue. Safe to say lunch on the Titanic wasn’t your average sandwich and chips.