An 1844 chess match via telegraph anticipated the game's online popularity

The first official World Chess Championship was held in 1886

The inaugural world championship took place across New York, St. Louis and New Orleans in 1886, where Wilhelm Steinitz defeated Johannes Zukertort. Steinitz became the first recognized world champion, establishing the modern era of organized competitive chess.

Around 380 underwater cables power the Internet across the world.

On July 29, 1858, two steam-powered battleships met in the middle of the Atlantic Ocean. There, they connected two ends of a 4,000 kilometer (2,500 mile) long, 1.5 centimeter (0.6 inch) wide cable, linking for the first time the European and North American continents by telegraph.

GothamChess built the largest online chess audience in the world

International Master Levy Rozman, known as GothamChess, has more than 6 million YouTube subscribers and billions of views. His mix of tutorials, commentary, and humor has introduced millions of new fans to the game in the digital era. In this video, he discusses his decision to challenge Grandmaster Magnus Carlsen.

The longest official chess game lasted 269 moves and over 20 hours

In 1989, Ivan Nikolić and Goran Arsović played a marathon 269-move match in Belgrade. Lasting more than 20 hours, the game ended in a draw.

Chess traces its roots to chaturanga in sixth-century India

The earliest form of chess, known as chaturanga, emerged in India around the sixth century. The game simulated four divisions of the military—infantry, cavalry, elephants, and chariots—and laid the foundation for modern chess’ structure and strategy.

James Garfield's 79-day decline hooked America on news updates

After he was shot while departing Washington, DC, in 1881, the president was treated for his wounds and cared for at the White House. Since 1861, telegraphs had spanned the continent, and the Associated Press pooled sources to share telegraph news. The public, seeking updates on the president's condition, was able to receive them regularly for the first time due to this network, laying the foundation for the continuous news cycle.

Explore (digitally) the Computer History Museum

When IBM’s Deep Blue supercomputer won its famous chess rematch with then world champion Garry Kasparov in May 1997, the victory was hailed far and wide as a triumph of artificial intelligence. But John McCarthy—the man who coined the term and pioneered the field of AI research—didn’t see it that way. An obituary about McCarthy—who passed in 2001—and his ideas.

Billie Jean King's victory at the 'Battle of the Sexes' drew over 90 million viewers

After Bobby Riggs trounced No. 2-ranked Margaret Court in the first Battle of the Sexes, he challenged superstar Billie Jean King to a match. King beat Bobby Riggs in a match at the Astrodome, which drew 90 million viewers worldwide, leading to the WTA's first TV deal in 1975. Using historic photos, this Sports Illustrated story dives into the spectacle surrounding the event, why King agreed this time, and the impact the match had on King, as well as the future of women's tennis as a whole.

How Scrabble got its name

Alfred Butts, a newly unemployed architect during the Great Depression, created Scrabble. But the game was named by James Brunot, who used the word to describe the most common action its players take part in: digging frantically.

Thanksgiving's connection to football began in 1876

It all started with a match between Princeton and Yale in 1876, attended by fewer than 1,000 fans. That competition spawned an annual tradition attracting millions of viewers across college and professional teams.

Pickleball was invented in 1965 on Bainbridge Island, Washington

Bill Bell and then-Washington State congressman Joel Pritchard created the game as a way to entertain their bored children. They grabbed items they had on hand, using ping pong paddles to hit a wiffle ball over a hip-height badminton net.

'Mr. Watson, come here. I want to see you.'

- Alexander Graham Bell's first words transmitted via telephone (March 10, 1876)

Washington DC's streetcar network built the modern American suburb

Washington's first electric streetcar line launched in 1888, and real estate developers quickly built lines to open new neighborhoods. A 35-minute ride from Chevy Chase, Maryland, to downtown Washington transformed farmland into a suburb.

Why millions of telegrams are still sent every year

Telegrams enabled much faster communication across distances when they were invented in the 1800s, but they became generally obsolete after emails and cell phones were widely adopted. So why are 17 million still sent every year? A combination of factors: the legal requirement to send paper documents far and fast, the resistance to updating processes, and nostalgia. Explore more with this video.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

The magazine competition that pitted Houdini against the author of 'Sherlock Holmes'

In 1922, Scientific American magazine launched a contest to prove, or disprove, the existence of ghosts and define the limits of Spiritualism. This article details how this competition furthered the growing ideological split between escapologist...

The modern quiz show debuted in 1926

“The Brooklyn Daily Eagle on Current Events” was a radio show on New York’s WNYC. The Brooklyn Daily Eagle was a local newspaper, providing an air of authority to the format, with the paper’s associate editor acting as quizmaster.

'The Republic of Letters' was an analog internet for the Enlightenment.

The virtual intellectual society exchanged tens of thousands of letters and spanned several continents. Some of its most avid correspondents were Voltaire, Benjamin Franklin, and Saint Ignatius of Loyola, founder of the Jesuits.

The New Year's ball was based on a navigational tool

Robert Wauchope, a member of the Royal Navy, developed the contraption in 1818 so crews could know the time while out at sea. The ball would descend at the same time every day, allowing ships to set their clocks accordingly.

Bill Gates and Paul Allen were childhood friends before founding Microsoft

The two bonded over a teletype terminal at their school, which required a $40 hourly fee for computing time. They were banned from using the device after exploiting a bug that allowed them to bypass the fee, only to be later offered free computing time for finding more bugs.

Emanuel Leutze's painting 'Washington Crossing the Delaware' is one of the defining images of the Revolutionary War

The scene depicts George Washington leading Continental forces across the icy Delaware River on Christmas Day, 1776, enabling a surprise attack on British-paid mercenary troops at Trenton. This risky maneuver revived the revolution after months of defeat.

Aaron Burr introduced James Madison to his future wife, Dolley

This trivia celebrating James Madison's birthday notes that Aaron Burr—later vice president and Alexander Hamilton's dueling rival—introduced Madison to Dolley Madison in 1794. It also highlights that Madison arrived 11 days early to the Constitutional Convention to prepare.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

'The Wire' was written by TV outsiders

The landmark HBO crime drama was created and written largely by former Baltimore police reporter David Simon and his creative partner, Ed Burns, a Baltimore police officer and school teacher. Those experiences—and the writers’ relative inexperience with television—led to a show uniquely informed by reality.

Play a game that reveals if investors with a crystal ball make better trades

The "crystal ball" game reveals how well you would do trading stocks and bonds if you could see the front page of the Wall Street Journal one day in advance.

The Elo rating system allows you to compare teams across history

The Elo rating system—named after inventor Arpad Elo—allows you to compare any team from any season dating back to the 1870s on an absolute scale and finally make an objective argument about the greatest lineup of all time.

The 'Harbaugh Bowl' marked the first Super Bowl coached by brothers

In Super Bowl XLVII, brothers John Harbaugh and Jim Harbaugh faced off, with Baltimore defeating San Francisco 34-31 in the first sibling matchup in Super Bowl history.

Exploring the Larry Bird punch that almost changed March Madness

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

During the French Revolution, a botanist's letter asking about "dear Rhus" (poison ivy) was intercepted, leading authorities to suspect he was conspiring with the Russians.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.