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

James Garfield, the first left-handed US president

Though he was assassinated only four months into his tenure, President James Garfield was a highly respected figure, a professor known for his mastery of several languages, success as a general in the Civil War, and accomplishments in Congress. He was also left-handed, the first southpaw to sit in the Oval Office. Learn more about Garfield's ambidexterity here.

The Mexican-American War led to the birth of the Associated Press

To cover the distant war efficiently, rival New York newspapers pooled resources to share reports from the front—forming what became the Associated Press. The war marked a turning point in how Americans received real-time news about foreign conflicts.

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.

Twain claimed to possess 'mental telegraphy'

In an 1891 essay, the writer claimed to possess psychic powers. It’s something that seemingly supported by his mother and his own death: Twain predicted he would die the day after Halley’s Comet returned in 1910, which did indeed happen.

Franklin D. Roosevelt used radio to connect directly with Americans through his 'Fireside Chats'

Beginning in 1933, FDR harnessed the new medium of radio to explain policies and reassure the public during the Great Depression and World War II. His conversational fireside chats revolutionized presidential communication.

Abraham Lincoln's assassination helped create the multibillion-dollar funeral business

After the president was killed in April 1865, he became one of the first well-publicized embalming examples in the US. The burgeoning science enabled his body to go on a multistate tour. Prices soon climbed for the process and fueled more wakes, perhaps helping to lay the foundation for the pricy funeral industry.

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.

Before the White House was constructed, the president lived and worked in Philadelphia

From 1790 to 1800, the President's House at 6th and Market Street in Philadelphia served as the executive mansion. George Washington and John Adams both served there as president before the capital moved to Washington, DC. The site is a tour of a replica of the house.

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

Presidents are required to update Congress on the state of the country from 'time to time'

Article II, Section 3 of the US Constitution says that the president "shall from time to time" give Congress information on the state of the union and recommend measures deemed "necessary and expedient," leaving the timing and format unspecified.

Thomas Edison publicly executed animals with AC to convince the public of its dangers

J.P. Morgan first backed Thomas Edison's direct current system, seeing electricity's potential to usurp John D. Rockefeller's kerosene empire. Despite the investments and smear campaign against alternating current, alternating current ultimately won public support after lighting the 1893 World's Fair, after which Morgan would fund Tesla's wireless transmission tower.

Everything you know about Phineas Gage is wrong

A stray spark sent a 3.5-foot-long, 1.25-inch thick iron rod through the brain of foreman Phineas Gage in 1848, creating a scientific case that has attracted onlookers for nearly two centuries. His life reportedly soon spiraled out of control, with his behavior tending toward selfishness and chaos. Evidence of these changes is far less common, with Gage's story bloated by fabrication, scientific prejudice, and artistic license.

Madison's presidency helped usher in the Era of Good Feelings

During the later years of James Madison's presidency, the collapse of the opposition Federalist Party after the War of 1812 reduced organized political division, contributing to a brief period of relative national unity known as the Era of Good Feelings.

Newspaper headlines from a century ago today

The Library of Congress' Chronicling America project is dedicated to providing access to information about historic newspapers, with the goal of digitizing these windows into the country's past. This (among other archives) lets you explore a number of different local papers' front pages from a century ago on today's date.

American Express stopped its rail service when President Wilson seized American railroads

After the US entered World War I, the federal government took control of American railways and consolidated rail companies. American Express officially exited the express shipping business in 1918 and turned its focus to its travel and financial services.

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*.

Grant's third-term ambitions helped create the GOP's elephant symbol

In 1874, as Republicans debated Ulysses S. Grant possibly seeking a third term, Harper's Weekly ran a Thomas Nast cartoon showing a panicked elephant labeled "The Republican Vote." The image caught on, cementing the elephant as the GOP's enduring symbol.

Watch an American news report of the Chernobyl disaster

Americans first heard about the Chernobyl nuclear disaster two days after the event, once abnormal radiation was detected in nearby countries. This forced Soviet officials to acknowledge the catastrophe publicly for the first time a few days after it occurred.

The Dow Jones & Company began as a small news service in 1882

Founded in 1882 by Charles Dow, Edward Jones and Charles Bergstresser, Dow Jones & Company started with hand-delivered market bulletins. Today it’s a global financial news giant, best known for publishing The Wall Street Journal.

Clark’s maps provided the first detailed record of the American West

Covering over 8,000 miles, William Clark’s maps charted rivers, mountains, and tribal territories with remarkable accuracy. Equipped with sextants, compasses, telescopes, and more, Clark became an expert at surveying—requiring extensive celestial and topographical observations each day.

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.

Hollywood's efficient response to the Spanish flu made it a filmmaking destination

In 1918, the Great Influenza epidemic killed more than 675,000 Americans. Los Angeles was one of the first cities to shut down movie theaters, most of which were independently owned and couldn’t afford the revenue loss. The results were twofold: the quick response meant that Hollywood could bounce back faster than other film hubs, and it also contributed to the rise of vertical integration as studios stepped in to purchase the flailing theaters.

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.

Watergate led to the prosecution of nearly 50 individuals

Watergate ushered in sweeping changes. Agencies were required to release information openly; officials had to disclose finances transparently; and new laws limited conflicts of interest, established independent ethics oversight, and safeguarded presidential records—curbing abuse and boosting accountability.

In 1939, baseball star Lou Gehrig delivered his 'Luckiest Man' speech after retiring due to a health condition

Gehrig's diagnosis of amyotrophic lateral sclerosis, a disease that now bears his name, forced him to retire early. Weeks later, he spoke with gratitude and stated, "For the past two weeks, you have been reading about a bad break. Yet today I consider myself the luckiest man on the face of the earth." Gehrig died at the age of 37, about two years later.

The strange story behind President Jimmy Carter's brother's 'Billy Beer'

During Carter's 1976 presidential campaign, his brother, Billy Carter, became a sideshow attraction as a country bumpkin. The Louisville-based Falls City Brewing Company decided to capitalize on the attention and hired Carter has a brand ambassador to promote his own "Billy Beer." What followed was a strange, suspicious bit of guerilla marketing and hucksterism, all of it documented in this Mental Floss retrospective.

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

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

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

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

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

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

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

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

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

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.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

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.

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.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Watch the cumbersome, but necessary, precautions healthcare workers must take to care for and protect themselves while caring for Ebola patients.

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

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

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.