In the 1910s, sailors on a US Navy ship started using the term 'happy hour' in reference to their leisure hours

During Prohibition, 'happy hour' became the go-to term for illegally having a drink after work before heading to dinner

This article provides a timeline of happy hour’s shifting shape in US culture, from the first recorded happy hour on a US Naval ship to today’s happy hours that sometimes include non-alcoholic beverages. It also details how prohibition actually helped establish the tie between alcoholic beverages and happy hour.

The US Navy prohibited sailors from toasting with water

A 1986 manual stated that "Tradition is that the object of a toast with water will die by drowning." The superstition is rooted in ancient Greek mythology, where the dead in the underworld drank from the River Lethe to forget their previous lives. As such, the Greeks believed toasting someone with water to be a way of cursing them to the underworld.

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.

The popular myth behind the India pale ale

Legend has it that the beer style earned its name in the late 1700s and early 1800s, when one brewer realized he had to add more alcohol and hops to his beers to survive the long boat ride to India. But as this essay by one beer historian makes clear, the facts don't line up with that myth.

Where did the term ‘astronaut’ come from?

Astronaut essentially translates to space sailor, though these sailors may be referred to differently depending on their home country. For example, Russian star sailors are called cosmonauts. Though why American, European, Canadian, and Japanese...

Bowling was long male-dominated, but women pushed for change through the sport

The sport was often played on lawns attached to breweries and became a leisure activity for folks in taverns—mostly men, in the 1800s. But the game's highly communal nature attracted a more diverse set of participants who pushed for social change.

Hamilton learned about global trade before he was a teenager

Before he moved to America, Hamilton worked as a clerk around age 12 at the Caribbean trading firm Beekman and Cruger, handling shipping documents, inspections, and port logistics. He eventually managed the day-to-day operations of a trading charter that immersed him early in Atlantic commerce.

Commercial air travel's early days: Flights were short, cold, depressurized, and generally comfortable

After World War II, airlines competed for their high-end passengers by offering cocktails, meals, and plush seats, cultivating the image of the elite "Jet Set." By the 1960s, air transport was completely changing global trade and offering big profits to companies able to ship via plane.

Sailor tattoos represent naval milestones

Sailors often come home with mermaids or turtles adorning their bodies. But what does it mean to have permanent images of propellers on your bum, British galleons with soaring tiers of sails on your chest, or a bicep portrait of the Roman god Neptune? Those tattoos represent meaningful naval milestones.

Horse diving was a popular attraction for 50 years

The event, which took place in Atlantic City, is exactly as it sounds: horses, directed by (sometimes scantily clad) riders, would jump from diving boards into pools. Although it was a popular spectacle for decades, it fell out of favor by the late 1970s.

On one sailor's race to sail around the world solo

People wanting to sail around the world in modern times can sign up for the Golden Globe Race, a decades-old, organized sprint to circumnavigate the world by ship. This long-form article follows one woman's journey as she attempted to complete the...

Many New Year's Eve traditions came from German immigrants

While it’s hard to trace the origins of many New Year’s traditions, many of the norms for American New Year’s Eve celebrations come from German immigrants, who significantly influenced American culture in the 1800s. Below is an excerpt from an 1863 New York Times article describing a German New Year’s celebration.

Watch Grace Hopper's appearance on the 'Late Show with David Letterman'

During this comedic interview, Hopper describes her 43.5 years in the Navy, an anecdote about when President Reagan promoted her, and provides a visual aid to explain the transmission of information at the nanosecond scale via electricity.

Advanced forensic science has helped identify killed sailors decades later

When the USS Oklahoma capsized amid the attacks, hundreds of sailors were buried within the ship's hull. Officials have used advances in forensic science to analyze DNA and dental evidence to help identify nearly 400 sailors decades after the fact.

The origin of the 'barbershop quartet'

Barbershop is subgenre of acapella, limited to four singers who all play highly specific roles. If you see a particularly inspired quartet, you might even see them in old-timey barber dress, a nod to style's origin: the British barbershop. This brief explainer from Mental Floss breaks down the strange story behind the form and how it traveled overseas to become the music we know today.

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

Listen to the earliest known recording of a whale song

A recording of a humpback whale was taken by scientists from the Woods Hole Oceanographic Institution near Bermuda in 1949, but forgotten for decades. When first captured, researchers didn't know what animal they were hearing, and therefore didn't catalogue the recording. The well-preserved audio was found by the team's archivist in 2025.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

The network’s early days were focused on movies and sports

HBO launched in 1972, with an initial focus on commercial-free movies and sports events. The network’s first-ever broadcast was an NHL game between the New York Rangers and the Vancouver Canucks, signaling its commitment to premium, live content.

A brief history of dance music

Throughout history, crowded, dimly lit, sweat-filled, and loud spaces that have hosted dance music have mirrored and shaped social change. Tracing the evolution of dance and club culture from the 1950s to today reveals changes in youth culture and desires over time. Read this article to learn more about how dance floors have reflected societal movements.

The ancient Greeks were known to take vacations

Historians trace the vacation back to at least ancient Greece, where many people traveled to festivals and athletic events, including the Olympic Games.

Slavery in the US: a timeline

In 1619, a ship with 20 captives landed at Point Comfort in Virginia, ushering in the era of American slavery. Scroll through this timeline to learn more about slavery in the US and its long lasting effects.

2 months after Pearl Harbor, American libraries launched a drive to collect 10 million books for soldiers

The 1942 Victory Book Campaign—sponsored by the American Library Association, the Red Cross, and the USO—asked the public to donate books to both train and entertain troops. The national campaign exceeded its goal, collecting more than 10.2 million books.

A television show helped popularize sushi in the US in the 1980s

"Shogun," a miniseries released in 1980, followed a British sailor's journey through 17th-century Japan. Nearly a third of American households watched its five installments, and it was used as an instructional text in classrooms throughout the '80s, inspiring a wave of American interest in Japanese culture, including sushi.

Why young people in the UK are hanging out at saunas

In the UK, Finnish-style saunas doubled from 45 to over 100 in 2024. This recent surge is driven by young people seeking healthy and affordable spaces to meet others and socialize. While Gen Z also turns to sobriety more due to costs and health concerns, these rejuvenating leisure spots are providing a perfect home to alcohol-free gatherings. Read more about the rising trend here.

The lost medieval habit of 'two sleeps'

While most people accept a single seven-to-nine-hour nightly slumber is ideal, the approach is a relatively modern idea. For centuries, interrupted sleep was the norm, with historians uncovering descriptions of two periods of sleep during the normal 24-hour cycle.

Learn about the history of soapbox speeches in the United States

From the 1890s to the 1960s, soapbox oratory was common across the US, with speakers gathering crowds in public spaces to share political, religious, and philosophical views.

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

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

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.

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

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

See the most iconic photos from four decades of LIFE magazine

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

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

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

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 19th-century painters of the Hudson River School were among the first American romantics, with portraits that displayed the natural beauty of the young country.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

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

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

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.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Massive blooms of microscopic plankton called dinoflagellates produce the neon blue light seen in glowing tides.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

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

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

El Niño, Spanish for 'the boy,' was named after Jesus Christ because the phenomenon resembled the weather changes observed around Christmastime.