History History 3 min read

Have you experienced any coincidences?

12 incredible coincidences in American history

Image: Library of Congress

A coincidence is a remarkable concurrence of events or circumstances without an apparent causal connection. Most of us experience coincidences regularly, but they tend to be more ordinary—like discovering you’re wearing the same sweater as someone else in the room. The following 12 examples are much more extreme, and some even seem unbelievable, even though they are true. Read on and prepare to be amazed!

1
A Presidential curse

Image: David Everett Strickler

For almost 140 years, U.S. presidents elected in years ending in zero died while in office. It happened to William Henry Harrison (1840), Abraham Lincoln (1860), James A. Garfield (1880), William McKinley (1900), Warren G. Harding (1920), Franklin D. Roosevelt (1940), and John F. Kennedy in 1960 . Ronald Reagan, elected in 1980 , broke the curse by surviving an assassination attempt.

2
Mark Twain and Halley’s Comet

Image: Justin Wolff

In the year Mark Twain was born, 1835, Halley’s Comet passed by Earth. The great writer famously predicted he’d "go out with it" as well . Indeed, he passed away in 1910, the next time the comet appeared.

3
Jefferson and Adams

Image: iStrfry , Marcus

A patriotic yet somber coincidence, indeed. John Adams and Thomas Jefferson, the second and third U.S. presidents, both died on July 4, 1826 —exactly 50 years after the signing of the Declaration of Independence.

4
Hoover Dam’s first and last casualties

Image: Ryan Thorpe

The construction of the Hoover Dam was a long and difficult process, claiming over 100 lives. The first person to die was J.G. Tierney , and the last recorded death was his son , Patrick Tierney.

5
Lincoln and Kennedy

Image: Kelli Dougal

Abraham Lincoln and John F. Kennedy were elected 100 years apart (1860 and 1960). Both were shot in the head and succeeded by men named Johnson . Their assassins each had three names: John Wilkes Booth and Lee Harvey Oswald. Both were assassinated on a Friday while sitting next to their wives at the time that it happened.

6
Charles Francis Coghlan’s last journey

Image: Rhodi Lopez

Actor Charles Francis Coghlan died in Texas in 1899. But his casket was lost at sea during a hurricane. Eight years later, his coffin washed ashore near his birthplace in Prince Edward Island, Canada, more than 3,000 miles away.

7
The Titanic coincidence

Image: K. Mitch Hodge

A few years before the Titanic sank, Morgan Robertson wrote a short book called Futility , about a massive "unsinkable" ship called the Titan that hit an iceberg and sank. The tale describes a ship with a similar size and a similar lack of lifeboats to the famous vessel.

8
Dennis the Menace

Image: Mitch Rosen

Two comic strips featuring a character named Dennis the Menace debuted in British and American outlets, respectively, on March 12, 1961—only a few hours apart. However, the two creators did not know each other and had no idea of the other’s work.

9
Jim Lewis and Jim Springer

Image: Vidar Nordli-Mathisen

Identical twin brothers separated at birth , Jim Lewis and Jim Springer, were reunited at age 39 and discovered many coincidences: both married women named Linda , divorced, and then remarried women named Betty. Both had dogs named Toy and drove the same model of car. Both grew up with an adopted brother named Larry and had sons whom they named James Allan.

10
Disney magic

Image: PAN XIAOZHEN

A soon-to-be-married couple, Alex and Donna , were looking through old photos to include in their wedding video. They found one photo of Donna posing on a childhood trip to Disney World in 1980. And in the background, they spotted Alex being pushed in a stroller by his father.

11
Moped meets taxi, twice

Image: Ruslan Bardash

In 1975, 17-year-old Erskine Lawrence Ebbin was struck by a taxi in Bermuda while riding his moped. A year later, his brother Neville , also 17 at the time, was riding the same moped when he was struck by the same taxi —with the same passenger—on the same street.

12
Lightning strike survivor

Image: Felix Mittermeier

Being hit by lightning is an extremely rare occurrence. Park ranger Roy Sullivan was struck not once, but seven times between 1942 and 1977 —and survived them all. The strikes hit him in a fire tower, in his truck, in his yard, while patrolling, and more. His unusual record earned him the nickname "Human Lightning Rod."

General General 4 min read

Enlightening comparisons

How many elephants fit in a cloud? Wild comparisons you won’t believe

Image: David Yu

How much does a cloud weigh? How powerful is the flow of Niagara Falls? How deep is the deepest point of the Grand Canyon? And how far away is the Moon from Earth? Sure, we could give you the straight numbers. Or we could find fun and illustrative ways to put these measurements into perspective, like using basketballs, cars, elephants, and electric toasters. Read on to learn some down-to-earth comparisons of outstanding things!

1
Alaska is so big, it could fit Texas inside twice

Image: Paxson Woelber

Sure, everything’s bigger in Texas… but where does that leave Alaska? The Last Frontier spans about 663,000 square miles , while the Lone Star State covers roughly 268,000 square miles. So yes, you could comfortably fit Texas inside Alaska twice, and still have room left over for California.

2
You could stack 10 Washington Monuments inside the Grand Canyon’s depth

Image: Sonaal Bangera

At its deepest point, the Grand Canyon plunges more than 6,000 feet. That’s more than a mile of height, to give you an idea. To put that in perspective, the 555-foot-tall Washington Monument could fit inside the canyon roughly ten times from top to bottom.

3
The Statue of Liberty’s sandal is the size of a small car.

Image: A n v e s h

Have you ever paid attention to the Statue of Liberty’s feet? Yes, they are visible, right next to the broken shackles at her base. You can’t stand next to the feet, of course, but if you could, you’d see that each sandaled foot measures about 25 feet long , which is a bit over the length of a Chevy Suburban.

4
The Empire State Building was built faster than a modern kitchen remodel

Image: Kit Suman

Did you know that one of the most famous buildings in the world was pretty much speed-built? Construction took just 410 days , starting in 1930 and finishing in 1931. This rapid progress was possible thanks to prefabricated steel parts and a workforce of roughly 3,400 workers each day. Nowadays, your average kitchen renovation takes 6 months to a year.

5
If the Earth were the size of a basketball, the Moon would be a tennis ball 24 feet away

Image: Anne Nygård

This is a fun way to illustrate the relationship between our planet and its satellite. If Earth were the size of a basketball (about 9.5 inches in diameter), the Moon would be roughly the size of a tennis ball (about 2.5 inches).

But they would be a whopping 24 feet away, about the length of a stretch limousine (or a Statue of Liberty sandal). This scale model helps explain just how far apart and disproportionate they really are!

6
A single cloud can weigh as much as 90 elephants

Image: Volodymyr Dobrovolskyy

Clouds may not look heavy, but these giant beauties are surprisingly massive. Scientists estimate that an average fluffy cumulus cloud contains about 1.1 million pounds of water, which is roughly the weight of 90 adult African elephants .

7
You could fit 7 Yankee Stadiums inside the Mall of America

Image: David Vives

With over 5.6 million square feet, the Mall of America is one of the largest indoor spaces in the country . Imagine trying to meet your friends in just one of its 500+ stores!

The mall also features an indoor amusement park and an aquarium. To give you an idea, Yankee Stadium covers roughly 800,000 square feet. You could fit about seven of them within the Mall of America.

8
A hummingbird flaps its wings faster than a car engine runs

Image: James Wainscoat

Hummingbirds beat their wings between 50 and 80 times per second , roughly eight times faster than the revolutions per second of a typical V8 engine at idle. No wonder they have enough force to seemingly fly in place!

9
Comparing lightning bolts with defibrillator shocks

Image: chutipon Pattanatitinon

The energy in lightning bolts can vary, but it’s not uncommon for them to unleash 5 billion joules . Roughly, a biphasic defibrillator delivers about 200 joules in a single shock. And, to give you an idea, it takes roughly 50,000 joules to toast a single slice of bread.

10
Yellowstone sits on top of a supervolcano the size of Rhode Island

Image: Denys Nevozhai

You might have heard of Yellowstone’s supervolcano and how tourists leave mesmerized by the geysers, hot springs, and wildlife.

But the size of its caldera is even more astonishing: it stretches 20 by 45 miles , covering nearly 1,350 square miles. That’s roughly the same area as Rhode Island, the smallest U.S. state.

11
Niagara Falls could fill an Olympic pool in less than a second

Image: Hadi Yazdi Aznaveh

A standard Olympic-size swimming pool holds about 660,000 gallons. Niagara Falls, however, pours roughly 700,000 gallons of water every second, meaning it could fill a pool in under one second, approximately 0.94 seconds to be exact.

If you were filling the same pool with a standard hose, it could take about 19 days .

General General 4 min read

Vertical ambitions

Bigger, taller, and better: 12 skyscrapers that make you look up!

Image: Denil Dominic

Have you ever stared up at a skyscraper and wondered, "How did they even build that?" Well, that makes at least two of us! Tall buildings are architectural marvels indeed, but they also represent ambition, innovation, and a little friendly competition between cities. For example, the tallest building in our country has held that title for only a decade. However, skyscrapers aren’t the only remarkable structures, and we’ve gathered 12 of them here for you to enjoy some sky-high fun. So, buckle up, and let’s take a vertical journey through the country’s highest achievements !

1
One World Trade Center

Image: David Vives

At a symbolic 1,776 feet, One World Trade Center proudly stands as America’s tallest building . Rising from the ashes of tragedy, this New York City landmark is a testament to resilience and unity.

Completed in 2014, it has been affectionately nicknamed the "Freedom Tower." Its sleek design features reflective glass that mirrors the sky, creating an ever-changing facade. The building houses offices, observation decks, and a museum dedicated to 9/11. Simply beautiful!

2
Central Park Tower

Image: Mason C

Central Park Tower, the world’s tallest residential building , reaches 1,550 feet into Manhattan’s skyline. Completed in 2020, it’s sometimes called the "Billionaires’ Row Tower" for its ultra-luxury apartments.

This architectural masterpiece offers jaw-dropping views of Central Park and beyond. It’s not just tall; it’s opulent, with a private club, pools, and even its own ballroom. If you’ve ever dreamed of living among the clouds, this is the place to do it (if you can afford it, of course).

3
Willis Tower

Image: Margo

Chicago’s Willis Tower, formerly known as the Sears Tower, was the world’s tallest building for 25 years (we did say there was some friendly competition going on!). Its 1,451-foot height dominates the skyline and has been a beacon of innovation since 1973.

The building’s unique design uses nine bundled tubes for extra stability against those famous Chicago winds. Visitors can step out onto The Ledge, a glass box extending from the 103rd floor, for a heart-pounding view. A true Midwestern marvel!

4
111 West 57th Street

Image: Parrish Freeman

Known as the "Steinway Tower," this ultra-skinny skyscraper is as much art as architecture. Rising 1,428 feet above Manhattan, it’s the thinnest skyscraper in the world and the fourth tallest in our country.

Its design nods to New York’s Jazz Age glamour, blending terracotta details with modern engineering. Completed in 2022, it houses luxury apartments that come with breathtaking views and equally jaw-dropping price tags.

5
One Vanderbilt

Image: Lukas Kyzur

Standing 1,401 feet tall, One Vanderbilt is a relatively new addition to New York City’s skyline. Completed in 2020, it’s located right next to Grand Central Terminal .

The building’s futuristic design is matched by its cutting-edge features, including Summit One Vanderbilt, an immersive observation experience. Its elevators take you to the top in a flash, and once you’re there, you’ll be treated to sweeping views of the city.

6
432 Park Avenue

Image: Miikka A.

At 1,396 feet, 432 Park Avenue is all about modern simplicity . Completed in 2015, it is one of the most recognizable buildings in the world.

ts grid-like windows give it a timeless look, but don’t be fooled—the apartments inside scream luxury. With amenities like private dining rooms and a spa, residents live the high life, pun intended! Love it or hate it, you can’t miss it.

7
Trump International Hotel and Tower

Image: Kenny Eliason

Chicago’s Trump Tower, standing 1,388 feet tall, is a gleaming addition to the city’s skyline . Completed in 2009, its reflective surface mirrors the surrounding beauty of the Chicago River.

This skyscraper combines luxury residences, a hotel, and fine dining. Its signature feature is the outdoor terrace, which offers stunning views of the Windy City.

8
30 Hudson Yards

Image: Frank Nürnberger

At 1,268 feet, 30 Hudson Yards is the centerpiece of New York’s futuristic Hudson Yards development.

Completed in 2019, it’s home to The Edge, the Western Hemisphere’s highest outdoor sky deck . The building boasts offices, dining, and even direct access to a luxury mall. Its sleek design symbolizes the city’s constant evolution. It has it all—just like the city itself!

9
Empire State Building

Image: Chris Barbalis

This may not be the tallest, but it certainly is one of the most iconic! The Empire State Building, at 1,250 feet, is a timeless symbol of New York City.

Completed in 1931 during the Great Depression , it was once the world’s tallest building. Its Art Deco design and iconic silhouette have graced countless movies and postcards. The city views it offers are simply unbeatable. No trip to New York is complete without a visit.

10
Bank of America Tower

Image: David Vives

Rising 1,200 feet in Midtown Manhattan, the Bank of America Tower is a green marvel. It was completed in 2010 and is one of the world’s most eco-friendly skyscrapers .

It uses innovative technology to reduce energy consumption and even collects rainwater. With its sharp, crystalline design, it looks as modern as its environmental features. This tower shows that sustainability and style can go hand in hand. Who knew going green could look so good?

11
St. Regis Chicago

Image: Andrew LaDeur

At 1,191 feet, the St. Regis Chicago adds a touch of elegance to the city’s skyline. Completed in 2020, its design is inspired by a flowing river , with undulating glass panels that shimmer in the sunlight. It’s a mix of hotel and residential spaces, with luxury oozing from every corner.

The building’s unique silhouette stands out in the architectural playground that is Chicago. If beauty were a competition, this skyscraper would be a top contender.

12
Aon Center

Image: Erol Ahmed

The Aon Center, at 1,136 feet, is a classic fixture in Chicago’s skyline. Built in 1973, it was originally clad in white marble, though granite replaced it later for durability. Its clean, rectangular design exudes timeless elegance.

Home to offices and observation areas , it’s a favorite among architecture lovers. You know how they are all about simplicity— the ultimate form of sophistication!

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