In 1804, Alexander Hamilton was mortally wounded in a duel with Aaron Burr

The conflict between Hamilton and Jefferson was primarily over federalism

Alexander Hamilton and Thomas Jefferson clashed over how power should be divided in the new republic—Hamilton favoring a strong national government with broad implied powers, and Jefferson warning that such authority would erode state power and threaten republican liberty.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Adams had a deep contempt for Alexander Hamilton

Adams regarded him as dangerously ambitious and untrustworthy. Her letters are among the most vivid contemporary assessments of Hamilton, providing a portrait of one of the founding era's most contentious figures.

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.

Hamilton publicly admitted to an affair to rebut corruption charges

In 1797, Alexander Hamilton published the Reynolds Pamphlet, confessing to an extramarital affair and blackmail payments to disprove accusations of financial corruption—clearing his name legally but ruining his reputation.

Hamilton was one of Washington's aides during the Revolutionary War

During the Revolutionary War, Alexander Hamilton served as a key aide to George Washington, handling correspondence, strategy, and coordination, and serving as a trusted intermediary between Washington, Congress, and senior military leaders.

Hamilton's formal education was cut short by the Revolutionary War

Enrolled at King's College, Alexander Hamilton planned to graduate in just a few years, racing through an intense curriculum, before the Revolutionary War interrupted his studies and he joined a New York volunteer militia.

Alexander Hamilton's birth year is still disputed

Although Hamilton claimed a 1757 birth, records, newspaper accounts, and later biographers suggest his actual birth year was 1755, leaving historians unsure of his true age when he arrived in America.

Thomas Jefferson displayed a bust of Hamilton at Monticello

Thomas Jefferson displayed a bust of Alexander Hamilton at Monticello—signaling his enduring respect for Hamilton's intellect and historical importance despite their deep ideological divide.

John Marshall presided over Aaron Burr's 1807 treason trial

During the 1807 trial of former Vice President Aaron Burr, Marshall required proof of an overt act witnessed by two people to sustain a treason charge. His rulings limited executive influence and reinforced constitutional standards for conviction under Article III.

Hamilton's tax on whiskey sparked the first armed rebellion against US federal authority

As Treasury secretary, Alexander Hamilton designed an excise tax on whiskey that provoked violent resistance in western Pennsylvania. The Whiskey Rebellion ended when George Washington mobilized state militias under federal authority to enforce the law.

Mark Twain once challenged a rival newspaper editor to a duel

While writing for a newspaper in Virginia City, Nevada, Twain published a story about a local fundraiser, accusing the paper’s rival of rescinding their donation. The problem was that the story was untrue: It was a hoax that he had concocted while drunk. The affair led to a protracted, public back-and-forth, with Twain challenging the editor of the rival paper to a duel; likewise, two other men challenged Twain to a duel. Twain ultimately left town, but wrote about the episode later on in an essay titled “How I Escaped Being Killed in a Duel.”

Hamilton opposed slavery in principle but participated in the institution

Alexander Hamilton spoke against slavery, helped found the New York Manumission Society, and supported gradual emancipation while also participating in transactions involving enslaved people through his in-laws—and possibly within his own household, though historians debate this.

Congress descended into fistfights, duels, and violence before the Civil War

In the decades before the Civil War, members of the United States Congress carried weapons, assaulted colleagues, and, in one case, a congressman killed another in a duel. The violence was driven largely by sectional conflict over slavery and foreshadowed the nation's descent into war.

Hamilton has appeared on US paper currency since the Civil War

Since the US began printing money in 1861, Alexander Hamilton has appeared at different times on the $5, $2, $20, $50, $500, and $1000 bills. Since 1928, he has remained on the $10 bill—making him, alongside Benjamin Franklin, one of the two non-presidents currently on US currency.

Watch Lin-Manuel Miranda tell the story of Alexander Hamilton on 'Drunk History'

On "Drunk History," Lin-Manuel Miranda retells Alexander Hamilton's life after the musical's success—revisiting the founding-era story that made Miranda famous, this time through the show's deliberately chaotic, comedic lens.

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

Abraham Lincoln's missing bodyguard

The night President Abraham Lincoln was shot, his bodyguard John Frederick Parker was late for his shift—and reportedly left his post to drink at the bar. Infamous assassin John Wilkes Booth entered the booth at Ford's Theater where the president sat while Parker was absent, leading to one of the United States' greatest political tragedies. Read more about the troubled history of Parker here.

English playwright Christopher Marlowe's violent and mysterious death

According to an official coroner’s report, in 1593 a heated argument over payment for supper escalated into a physical struggle, during which Marlowe wounded a man named Ingram Frizer, who then fatally stabbed Marlowe above the right eye. Though we still don't have a definitive explanation for why Marlowe was killed, the true motive continues to be debated, with suspicions surrounding the official account. Read more here.

Meriwether Lewis grew up in the same neighborhood as Jefferson

Hailing from Jefferson’s Albemarle County neighborhood in Virginia, Lewis was a trusted aide and former Army officer. After leading the Corps of Discovery, he became Louisiana Territory governor in 1806, dying three years later under mysterious circumstances.

George Washington resigned after two terms to avoid the precedent of dying in office

America's first president could have stayed in office longer, but he knew the chances were high he would die in the middle of a term. So he quit after two to signal to future commander-in-chiefs that the presidency was not a lifetime position.

Basquiat and Warhol were friends and collaborators before a bitter falling out

The two men were tight, but they also offered what the other lacked in the art world: Basquiat inspired Warhol, and Warhol gave Basquiat art-world credibility. They began working together, producing 160 collaborative works between 1983 and 1985. A 1985 exhibition of their joint works was a massive flop, though, and the friendship never recovered.

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

The late November match pitted two local rival chess clubs from Baltimore and Washington, DC, against each other. The moves were transmitted over the Baltimore-Washington telegraph line, which had just been installed the previous May.

The deadliest fireworks accident in history was Marie-Antoinette's wedding

In 1770, a fireworks display in Paris celebrating the marriage of Marie-Antoinette to the Dauphin, later known as Louis XVI, resulted in as many as 3,000 deaths. Most casualties were caused by trampling from a panicked crowd of thousands rushing away after some fireworks were blown into the spectators.

Hitler died by suicide on April 30, 1945

Adolf Hitler, facing imminent defeat as Soviet troops closed in on Berlin, killed himself in a final act of cowardice—by gunshot and cyanide—alongside his wife Eva Braun in his Führerbunker on April 30, 1945. Their bodies were doused in petrol and burned in the Chancellery garden.

Alexander the Great, Rudyard Kipling, and more may have died from food poisoning

Though it is hard to prove decades or centuries after their deaths, some researchers suspect that food poisoning killed a variety of historical figures, including US President Zachary Taylor in 1850: Some researchers believe he may have consumed food contaminated with *Salmonella*.

Houdini recalls how he became 'Handcuff King'

Illusionist Harry Houdini rose to fame through his many escapes, like from the handcuffs slapped onto his wrists by Los Angeles police in 1899. In this 1907 Los Angeles Herald article, Houdini recalls some of the many times he's thwarted attempts to...

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

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.

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

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

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

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

Marburg virus, related to Ebola, is also extremely deadly, and has no available vaccine.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

11 people died from firework injuries in the US in 2024.

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Exploring the Larry Bird punch that almost changed March Madness

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

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.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

When caught in the mouths of cardinal fish, seed shrimp release glowing, bioluminescent chemicals, which alert predators of the cardinal fish, prompting the shrimp's ejection.

Hurricanes, which rely on air consistently spinning in the same direction, cannot cross the equator because air curves in opposite directions north and south of it.